./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3144475644 <...> D {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3386, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3389 ./strace-static-x86_64: Process 3389 attached [pid 3389] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3389] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3389] setpgid(0, 0) = 0 [pid 3389] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3389] write(3, "1000", 4) = 4 executing program [pid 3389] close(3) = 0 [pid 3389] write(1, "executing program\n", 18) = 18 [pid 3389] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3389] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3389] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3389] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3389] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3389] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3389] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[3390]}, 88) = 3390 ./strace-static-x86_64: Process 3390 attached [pid 3389] rt_sigprocmask(SIG_SETMASK, [], [pid 3390] set_robust_list(0x7f857e4039a0, 24 [pid 3389] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3390] <... set_robust_list resumed>) = 0 [pid 3390] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3390] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3389] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3390] <... futex resumed>) = 0 [pid 3390] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 3389] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3390] <... socketpair resumed>[3, 4]) = 0 [pid 3390] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3389] <... futex resumed>) = 0 [pid 3389] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3389] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3390] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3389] <... futex resumed>) = 0 [pid 3390] <... sendmsg resumed>) = 0 [pid 3389] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3390] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3389] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3390] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3389] rt_sigprocmask(SIG_BLOCK, ~[], [pid 3390] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3389] <... rt_sigprocmask resumed>[], 8) = 0 [pid 3390] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3389] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3390] <... sendmsg resumed>) = 0 [pid 3390] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0./strace-static-x86_64: Process 3391 attached [pid 3389] <... clone3 resumed> => {parent_tid=[3391]}, 88) = 3391 [pid 3389] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3389] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3389] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3390] <... sendmsg resumed>) = 0 [pid 3391] set_robust_list(0x7f857e3e29a0, 24 [pid 3390] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3391] <... set_robust_list resumed>) = 0 [pid 3391] rt_sigprocmask(SIG_SETMASK, [], [pid 3390] <... sendmsg resumed>) = 0 [pid 3390] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3390] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3390] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3390] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3391] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3390] <... sendmsg resumed>) = 0 [pid 3390] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3390] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3390] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3390] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3390] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3391] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 3390] <... sendmsg resumed>) = 0 [pid 3390] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3390] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3391] <... setsockopt resumed>) = 0 [pid 3390] <... sendmsg resumed>) = 0 [pid 3391] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3389] <... futex resumed>) = 0 [pid 3390] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3391] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3390] <... sendmsg resumed>) = 0 [pid 3390] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3390] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3390] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3390] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3390] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3390] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3390] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3390] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3390] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3390] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3390] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3390] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3390] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3390] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3390] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3390] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3389] exit_group(0 [pid 3391] <... futex resumed>) = ? [pid 3390] <... futex resumed>) = ? [pid 3389] <... exit_group resumed>) = ? [pid 3390] +++ exited with 0 +++ [pid 3391] +++ exited with 0 +++ [pid 3389] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3389, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3392 ./strace-static-x86_64: Process 3392 attached [pid 3392] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3392] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3392] setpgid(0, 0) = 0 [pid 3392] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3392] write(3, "1000", 4) = 4 [pid 3392] close(3executing program ) = 0 [pid 3392] write(1, "executing program\n", 18) = 18 [pid 3392] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3392] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3392] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3392] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3392] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3392] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3392] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[3393]}, 88) = 3393 [pid 3392] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3392] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3392] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3393 attached [pid 3393] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3393] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3393] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3393] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3392] <... futex resumed>) = 0 [pid 3392] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3392] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3392] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3392] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3392] rt_sigprocmask(SIG_BLOCK, ~[], [pid 3393] <... futex resumed>) = 1 [pid 3393] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3392] <... rt_sigprocmask resumed>[], 8) = 0 [pid 3393] <... sendmsg resumed>) = 0 [pid 3392] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3393] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3392] <... clone3 resumed> => {parent_tid=[3394]}, 88) = 3394 ./strace-static-x86_64: Process 3394 attached [pid 3393] <... sendmsg resumed>) = 0 [pid 3392] rt_sigprocmask(SIG_SETMASK, [], [pid 3393] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3392] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3393] <... sendmsg resumed>) = 0 [pid 3393] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3392] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 3393] <... sendmsg resumed>) = 0 [pid 3392] <... futex resumed>) = 0 [pid 3393] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3392] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3393] <... sendmsg resumed>) = 0 [pid 3393] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3393] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3393] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3393] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3393] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3393] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3393] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3393] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3393] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3393] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3393] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3393] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3393] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3393] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3393] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3393] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3393] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3393] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3393] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3393] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3394] set_robust_list(0x7f857e3e29a0, 24 [pid 3393] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3393] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3393] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3393] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3393] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3393] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3393] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3393] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3393] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3393] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3394] <... set_robust_list resumed>) = 0 [pid 3394] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3394] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3394] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3392] <... futex resumed>) = 0 [pid 3394] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3392] exit_group(0 [pid 3393] <... futex resumed>) = ? [pid 3392] <... exit_group resumed>) = ? [pid 3393] +++ exited with 0 +++ [pid 3394] <... futex resumed>) = ? [pid 3394] +++ exited with 0 +++ [pid 3392] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3392, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3395 ./strace-static-x86_64: Process 3395 attached [pid 3395] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3395] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3395] setpgid(0, 0) = 0 [pid 3395] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3395] write(3, "1000", 4) = 4 executing program [pid 3395] close(3) = 0 [pid 3395] write(1, "executing program\n", 18) = 18 [pid 3395] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3395] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3395] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3395] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3395] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3395] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3395] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[3396]}, 88) = 3396 [pid 3395] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3395] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3395] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3396 attached [pid 3396] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3396] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3396] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3396] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3396] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3395] <... futex resumed>) = 0 [pid 3395] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3395] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3395] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3395] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3395] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3395] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3396] <... futex resumed>) = 0 ./strace-static-x86_64: Process 3397 attached [pid 3397] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3397] rt_sigprocmask(SIG_SETMASK, [], [pid 3396] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3397] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3396] <... sendmsg resumed>) = 0 [pid 3397] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3396] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3396] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3396] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3396] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3395] <... clone3 resumed> => {parent_tid=[3397]}, 88) = 3397 [pid 3396] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3396] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3396] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3396] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3395] rt_sigprocmask(SIG_SETMASK, [], [pid 3396] <... sendmsg resumed>) = 0 [pid 3396] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3396] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3396] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3396] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3396] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3396] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3396] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3396] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3396] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3396] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3396] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3396] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3395] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3396] <... sendmsg resumed>) = 0 [pid 3396] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3396] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3395] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 3396] <... sendmsg resumed>) = 0 [pid 3397] <... futex resumed>) = 0 [pid 3395] <... futex resumed>) = 1 [pid 3396] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3396] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3396] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3396] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3396] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3396] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3396] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3396] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3396] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3396] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3397] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 3395] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3396] <... sendmsg resumed>) = 0 [pid 3397] <... setsockopt resumed>) = 0 [pid 3396] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3397] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3397] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3396] <... futex resumed>) = 0 [pid 3396] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3395] <... futex resumed>) = 0 [pid 3395] exit_group(0) = ? [pid 3397] <... futex resumed>) = ? [pid 3397] +++ exited with 0 +++ [pid 3396] <... futex resumed>) = ? [pid 3396] +++ exited with 0 +++ [pid 3395] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3395, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3398 ./strace-static-x86_64: Process 3398 attached [pid 3398] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3398] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3398] setpgid(0, 0) = 0 [pid 3398] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3398] write(3, "1000", 4) = 4 [pid 3398] close(3executing program ) = 0 [pid 3398] write(1, "executing program\n", 18) = 18 [pid 3398] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3398] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3398] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3398] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3398] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3398] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3398] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[3399]}, 88) = 3399 [pid 3398] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3398] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3398] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3399 attached [pid 3399] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3399] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3399] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3399] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3398] <... futex resumed>) = 0 [pid 3398] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3398] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3398] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3399] <... futex resumed>) = 1 [pid 3398] <... mmap resumed>) = 0x7f857e3c2000 [pid 3398] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3398] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3398] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[3400]}, 88) = 3400 [pid 3399] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3398] rt_sigprocmask(SIG_SETMASK, [], [pid 3399] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3398] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3399] <... sendmsg resumed>) = 0 [pid 3398] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 3399] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3398] <... futex resumed>) = 0 [pid 3399] <... sendmsg resumed>) = 0 [pid 3398] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3399] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3399] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3399] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3399] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3399] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3399] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3399] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3399] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3399] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3399] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3399] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3399] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3399] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3399] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3399] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3399] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3399] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3399] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3399] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3399] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3399] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3399] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3399] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3399] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3399] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3399] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3399] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3399] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3399] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3399] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3399] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3399] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 3400 attached [pid 3400] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3400] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3400] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3400] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3398] <... futex resumed>) = 0 [pid 3398] exit_group(0 [pid 3399] <... futex resumed>) = ? [pid 3398] <... exit_group resumed>) = ? [pid 3399] +++ exited with 0 +++ [pid 3400] <... futex resumed>) = ? [pid 3400] +++ exited with 0 +++ [pid 3398] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3398, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3401 ./strace-static-x86_64: Process 3401 attached [pid 3401] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3401] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3401] setpgid(0, 0) = 0 [pid 3401] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3401] write(3, "1000", 4) = 4 [pid 3401] close(3executing program ) = 0 [pid 3401] write(1, "executing program\n", 18) = 18 [pid 3401] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3401] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3401] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3401] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3401] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3401] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3401] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[3402]}, 88) = 3402 [pid 3401] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3401] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3401] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3402 attached [pid 3402] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3402] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3402] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3402] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3401] <... futex resumed>) = 0 [pid 3402] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3401] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 3402] <... sendmsg resumed>) = 0 [pid 3401] <... futex resumed>) = 0 [pid 3402] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3401] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3402] <... sendmsg resumed>) = 0 [pid 3401] <... futex resumed>) = 0 [pid 3402] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3401] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3402] <... sendmsg resumed>) = 0 [pid 3401] <... mmap resumed>) = 0x7f857e3c2000 [pid 3402] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3401] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 3402] <... sendmsg resumed>) = 0 [pid 3401] <... mprotect resumed>) = 0 [pid 3402] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3401] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3402] <... sendmsg resumed>) = 0 [pid 3401] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3402] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0./strace-static-x86_64: Process 3403 attached ) = 0 [pid 3401] <... clone3 resumed> => {parent_tid=[3403]}, 88) = 3403 [pid 3403] set_robust_list(0x7f857e3e29a0, 24 [pid 3402] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3403] <... set_robust_list resumed>) = 0 [pid 3401] rt_sigprocmask(SIG_SETMASK, [], [pid 3403] rt_sigprocmask(SIG_SETMASK, [], [pid 3402] <... sendmsg resumed>) = 0 [pid 3403] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3401] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3403] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3402] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3401] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 3403] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3402] <... sendmsg resumed>) = 0 [pid 3403] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 3401] <... futex resumed>) = 0 [pid 3403] <... setsockopt resumed>) = 0 [pid 3402] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3403] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3401] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3403] <... futex resumed>) = 0 [pid 3402] <... sendmsg resumed>) = 0 [pid 3401] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3403] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3402] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3402] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3402] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3402] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3402] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3402] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3402] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3402] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3402] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3402] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3402] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3402] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3402] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3402] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3402] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3402] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3402] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3402] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3402] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3402] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3402] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3402] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3402] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3402] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3402] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3402] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3401] exit_group(0 [pid 3402] <... futex resumed>) = ? [pid 3401] <... exit_group resumed>) = ? [pid 3402] +++ exited with 0 +++ [pid 3403] <... futex resumed>) = ? [pid 3403] +++ exited with 0 +++ [pid 3401] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3401, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3404 ./strace-static-x86_64: Process 3404 attached [pid 3404] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3404] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3404] setpgid(0, 0) = 0 [pid 3404] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3404] write(3, "1000", 4) = 4 [pid 3404] close(3) = 0 [pid 3404] write(1, "executing program\n", 18executing program ) = 18 [pid 3404] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3404] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3404] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3404] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3404] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3404] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3404] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[3405]}, 88) = 3405 [pid 3404] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3404] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3404] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3405 attached [pid 3405] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3405] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3405] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3405] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3404] <... futex resumed>) = 0 [pid 3404] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3404] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3404] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3404] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3404] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3404] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[3406]}, 88) = 3406 ./strace-static-x86_64: Process 3406 attached [pid 3405] <... futex resumed>) = 1 [pid 3404] rt_sigprocmask(SIG_SETMASK, [], [pid 3405] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3404] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3405] <... sendmsg resumed>) = 0 [pid 3406] set_robust_list(0x7f857e3e29a0, 24 [pid 3405] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3404] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 3406] <... set_robust_list resumed>) = 0 [pid 3405] <... sendmsg resumed>) = 0 [pid 3405] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3404] <... futex resumed>) = 0 [pid 3406] rt_sigprocmask(SIG_SETMASK, [], [pid 3405] <... sendmsg resumed>) = 0 [pid 3406] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3405] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3404] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3406] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 3405] <... sendmsg resumed>) = 0 [pid 3405] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3406] <... setsockopt resumed>) = 0 [pid 3406] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3405] <... sendmsg resumed>) = 0 [pid 3406] <... futex resumed>) = 1 [pid 3405] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3404] <... futex resumed>) = 0 [pid 3405] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 3406] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3405] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3405] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3405] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3405] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3405] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3405] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3405] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3405] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3405] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3405] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3405] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3405] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3405] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3405] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3405] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3405] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3405] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3405] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3405] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3405] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3405] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3405] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3405] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3405] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3405] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3405] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3405] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3405] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3404] exit_group(0 [pid 3406] <... futex resumed>) = ? [pid 3404] <... exit_group resumed>) = ? [pid 3406] +++ exited with 0 +++ [pid 3405] +++ exited with 0 +++ [pid 3404] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3404, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3407 ./strace-static-x86_64: Process 3407 attached [pid 3407] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3407] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3407] setpgid(0, 0) = 0 [pid 3407] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3407] write(3, "1000", 4) = 4 [pid 3407] close(3) = 0 [pid 3407] write(1, "executing program\n", 18executing program ) = 18 [pid 3407] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3407] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3407] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3407] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3407] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3407] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3407] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[3408]}, 88) = 3408 [pid 3407] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3407] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3407] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3408 attached [pid 3408] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3408] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3408] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3408] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3407] <... futex resumed>) = 0 [pid 3408] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3407] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 3408] <... sendmsg resumed>) = 0 [pid 3407] <... futex resumed>) = 0 [pid 3408] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3407] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3408] <... sendmsg resumed>) = 0 [pid 3408] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3407] <... futex resumed>) = 0 [pid 3408] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3407] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3408] <... sendmsg resumed>) = 0 [pid 3407] <... mmap resumed>) = 0x7f857e3c2000 [pid 3408] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3407] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 3408] <... sendmsg resumed>) = 0 [pid 3408] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3407] <... mprotect resumed>) = 0 [pid 3408] <... sendmsg resumed>) = 0 [pid 3407] rt_sigprocmask(SIG_BLOCK, ~[], [pid 3408] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3407] <... rt_sigprocmask resumed>[], 8) = 0 [pid 3408] <... sendmsg resumed>) = 0 [pid 3408] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3407] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3408] <... sendmsg resumed>) = 0 [pid 3408] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3407] <... clone3 resumed> => {parent_tid=[3409]}, 88) = 3409 [pid 3407] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3407] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3407] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3408] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 ./strace-static-x86_64: Process 3409 attached [pid 3408] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3408] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3409] set_robust_list(0x7f857e3e29a0, 24 [pid 3408] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3408] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3409] <... set_robust_list resumed>) = 0 [pid 3408] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3408] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3408] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3408] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3408] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3408] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3408] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3408] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3408] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3408] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3408] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3408] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3408] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3408] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3408] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3408] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3408] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3409] rt_sigprocmask(SIG_SETMASK, [], [pid 3408] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3408] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3408] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3408] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3409] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3409] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3409] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3407] <... futex resumed>) = 0 [pid 3407] exit_group(0) = ? [pid 3409] exit_group(0 [pid 3408] <... futex resumed>) = ? [pid 3408] +++ exited with 0 +++ [pid 3409] +++ exited with 0 +++ [pid 3407] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3407, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3410 ./strace-static-x86_64: Process 3410 attached [pid 3410] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3410] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3410] setpgid(0, 0) = 0 [pid 3410] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3410] write(3, "1000", 4) = 4 [pid 3410] close(3) = 0 [pid 3410] write(1, "executing program\n", 18executing program ) = 18 [pid 3410] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3410] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3410] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3410] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3410] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3410] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3410] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[3411]}, 88) = 3411 [pid 3410] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3410] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3410] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3411 attached [pid 3411] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3411] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3411] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3411] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3410] <... futex resumed>) = 0 [pid 3411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3410] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 3411] <... sendmsg resumed>) = 0 [pid 3410] <... futex resumed>) = 0 [pid 3411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3410] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3411] <... sendmsg resumed>) = 0 [pid 3410] <... futex resumed>) = 0 [pid 3411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3410] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3411] <... sendmsg resumed>) = 0 [pid 3410] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3410] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3410] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0./strace-static-x86_64: Process 3412 attached ) = 0 [pid 3410] <... clone3 resumed> => {parent_tid=[3412]}, 88) = 3412 [pid 3411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3410] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3410] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 3411] <... sendmsg resumed>) = 0 [pid 3410] <... futex resumed>) = 0 [pid 3411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3410] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3411] <... sendmsg resumed>) = 0 [pid 3412] set_robust_list(0x7f857e3e29a0, 24 [pid 3411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3412] <... set_robust_list resumed>) = 0 [pid 3411] <... sendmsg resumed>) = 0 [pid 3412] rt_sigprocmask(SIG_SETMASK, [], [pid 3411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3412] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3411] <... sendmsg resumed>) = 0 [pid 3412] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 3411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3412] <... setsockopt resumed>) = 0 [pid 3411] <... sendmsg resumed>) = 0 [pid 3412] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3412] <... futex resumed>) = 1 [pid 3410] <... futex resumed>) = 0 [pid 3412] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3411] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 3411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3411] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3411] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3410] exit_group(0) = ? [pid 3412] <... futex resumed>) = ? [pid 3412] +++ exited with 0 +++ [pid 3411] <... futex resumed>) = ? [pid 3411] +++ exited with 0 +++ [pid 3410] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3410, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3413 ./strace-static-x86_64: Process 3413 attached [pid 3413] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3413] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3413] setpgid(0, 0) = 0 [pid 3413] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3413] write(3, "1000", 4) = 4 [pid 3413] close(3) = 0 [pid 3413] write(1, "executing program\n", 18executing program ) = 18 [pid 3413] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3413] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3413] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3413] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3413] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3413] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3413] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3414 attached => {parent_tid=[3414]}, 88) = 3414 [pid 3414] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3414] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3414] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3413] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3413] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3414] <... futex resumed>) = 0 [pid 3414] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3413] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3414] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3413] <... futex resumed>) = 0 [pid 3413] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3413] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3413] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3413] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 3414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3413] <... mprotect resumed>) = 0 [pid 3413] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3413] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3414] <... sendmsg resumed>) = 0 [pid 3414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3413] <... clone3 resumed> => {parent_tid=[3415]}, 88) = 3415 [pid 3413] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3413] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3414] <... sendmsg resumed>) = 0 [pid 3413] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3415 attached [pid 3415] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3415] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3415] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3415] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3413] <... futex resumed>) = 0 [pid 3415] <... futex resumed>) = 1 [pid 3415] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3414] <... sendmsg resumed>) = 0 [pid 3414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3414] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3414] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3413] exit_group(0 [pid 3414] <... futex resumed>) = ? [pid 3413] <... exit_group resumed>) = ? [pid 3415] <... futex resumed>) = ? [pid 3414] +++ exited with 0 +++ [pid 3415] +++ exited with 0 +++ [pid 3413] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3413, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3416 ./strace-static-x86_64: Process 3416 attached [pid 3416] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3416] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3416] setpgid(0, 0) = 0 [pid 3416] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3416] write(3, "1000", 4) = 4 [pid 3416] close(3) = 0 executing program [pid 3416] write(1, "executing program\n", 18) = 18 [pid 3416] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3416] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3416] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3416] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3416] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3416] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3416] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[3417]}, 88) = 3417 [pid 3416] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3416] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3416] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3417 attached [pid 3417] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3417] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3417] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3417] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3417] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3416] <... futex resumed>) = 0 [pid 3416] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3416] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3416] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3416] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3416] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3416] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3417] <... futex resumed>) = 0 [pid 3417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3416] <... clone3 resumed> => {parent_tid=[3418]}, 88) = 3418 ./strace-static-x86_64: Process 3418 attached [pid 3416] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3416] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3416] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3418] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3417] <... sendmsg resumed>) = 0 [pid 3418] rt_sigprocmask(SIG_SETMASK, [], [pid 3417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3418] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3418] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 3417] <... sendmsg resumed>) = 0 [pid 3418] <... setsockopt resumed>) = 0 [pid 3418] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3416] <... futex resumed>) = 0 [pid 3418] <... futex resumed>) = 1 [pid 3417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3418] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3417] <... sendmsg resumed>) = 0 [pid 3417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3417] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3417] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3416] exit_group(0 [pid 3417] <... futex resumed>) = ? [pid 3416] <... exit_group resumed>) = ? [pid 3417] +++ exited with 0 +++ [pid 3418] <... futex resumed>) = ? [pid 3418] +++ exited with 0 +++ [pid 3416] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3416, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3419 ./strace-static-x86_64: Process 3419 attached [pid 3419] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3419] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3419] setpgid(0, 0) = 0 [pid 3419] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3419] write(3, "1000", 4) = 4 [pid 3419] close(3) = 0 [pid 3419] write(1, "executing program\n", 18executing program ) = 18 [pid 3419] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3419] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3419] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3419] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3419] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3419] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3419] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3420 attached => {parent_tid=[3420]}, 88) = 3420 [pid 3420] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3420] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3420] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3419] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3419] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3420] <... futex resumed>) = 0 [pid 3420] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 3419] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3420] <... socketpair resumed>[3, 4]) = 0 [pid 3420] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3420] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3419] <... futex resumed>) = 0 [pid 3419] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3420] <... futex resumed>) = 0 [pid 3420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3419] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3419] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3419] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 3420] <... sendmsg resumed>) = 0 [pid 3420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3419] <... mprotect resumed>) = 0 [pid 3420] <... sendmsg resumed>) = 0 [pid 3420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3420] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3420] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3419] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3419] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0}./strace-static-x86_64: Process 3422 attached => {parent_tid=[3422]}, 88) = 3422 [pid 3422] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3419] rt_sigprocmask(SIG_SETMASK, [], [pid 3422] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3422] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3419] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3419] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3422] <... futex resumed>) = 0 [pid 3419] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3422] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3422] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3422] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3419] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3419] exit_group(0) = ? [pid 3420] <... futex resumed>) = ? [pid 3420] +++ exited with 0 +++ [pid 3422] <... futex resumed>) = ? [pid 3422] +++ exited with 0 +++ [pid 3419] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3419, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3423 ./strace-static-x86_64: Process 3423 attached [pid 3423] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3423] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3423] setpgid(0, 0) = 0 [pid 3423] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3423] write(3, "1000", 4) = 4 [pid 3423] close(3) = 0 executing program [pid 3423] write(1, "executing program\n", 18) = 18 [pid 3423] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3423] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3423] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3423] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3423] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3423] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3423] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3424 attached => {parent_tid=[3424]}, 88) = 3424 [pid 3423] rt_sigprocmask(SIG_SETMASK, [], [pid 3424] set_robust_list(0x7f857e4039a0, 24 [pid 3423] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3423] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3423] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3424] <... set_robust_list resumed>) = 0 [pid 3424] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3424] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3424] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3424] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3423] <... futex resumed>) = 0 [pid 3423] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3423] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3423] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3423] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3423] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3423] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3424] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3424] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3423] <... clone3 resumed> => {parent_tid=[3425]}, 88) = 3425 [pid 3424] <... sendmsg resumed>) = 0 [pid 3423] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3423] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3423] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3425 attached [pid 3425] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3424] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3425] rt_sigprocmask(SIG_SETMASK, [], [pid 3424] <... sendmsg resumed>) = 0 [pid 3425] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3424] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3425] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 3424] <... sendmsg resumed>) = 0 [pid 3424] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3425] <... setsockopt resumed>) = 0 [pid 3424] <... sendmsg resumed>) = 0 [pid 3425] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3424] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3423] <... futex resumed>) = 0 [pid 3424] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3424] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3425] <... futex resumed>) = 1 [pid 3424] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3425] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3424] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 3424] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3424] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3424] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3424] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3424] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3424] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3424] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3424] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3424] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3424] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3424] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3424] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3424] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3424] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3424] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3424] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3424] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3424] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3424] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3424] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3424] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3424] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3424] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3424] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3424] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3424] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3424] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3423] exit_group(0 [pid 3424] <... futex resumed>) = ? [pid 3423] <... exit_group resumed>) = ? [pid 3424] +++ exited with 0 +++ [pid 3425] <... futex resumed>) = ? [pid 3425] +++ exited with 0 +++ [pid 3423] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3423, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3426 ./strace-static-x86_64: Process 3426 attached [pid 3426] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3426] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3426] setpgid(0, 0) = 0 [pid 3426] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3426] write(3, "1000", 4) = 4 [pid 3426] close(3) = 0 [pid 3426] write(1, "executing program\n", 18executing program ) = 18 [pid 3426] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3426] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3426] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3426] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3426] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3426] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3426] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3427 attached => {parent_tid=[3427]}, 88) = 3427 [pid 3427] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3427] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3427] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3426] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3426] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3427] <... futex resumed>) = 0 [pid 3427] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3426] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3427] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3427] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3426] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3426] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3427] <... futex resumed>) = 0 [pid 3427] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3427] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3427] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3427] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3427] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3427] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3427] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3427] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3427] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3427] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3427] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3427] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3427] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3427] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3426] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3427] <... sendmsg resumed>) = 0 [pid 3426] <... futex resumed>) = 0 [pid 3427] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3427] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3427] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3427] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3427] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3427] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3427] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3426] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3427] <... sendmsg resumed>) = 0 [pid 3427] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3427] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3427] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3427] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3427] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3427] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3427] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3427] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3427] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3427] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3427] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3426] <... mmap resumed>) = 0x7f857e3c2000 [pid 3427] <... sendmsg resumed>) = 0 [pid 3427] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3427] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3427] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3426] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3426] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3426] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0}./strace-static-x86_64: Process 3428 attached [pid 3428] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3428] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3428] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3426] <... clone3 resumed> => {parent_tid=[3428]}, 88) = 3428 [pid 3426] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3426] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3428] <... futex resumed>) = 0 [pid 3428] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3428] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3428] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3426] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 3426] exit_group(0) = ? [pid 3427] <... futex resumed>) = ? [pid 3427] +++ exited with 0 +++ [pid 3428] <... futex resumed>) = ? [pid 3428] +++ exited with 0 +++ [pid 3426] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3426, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3429 ./strace-static-x86_64: Process 3429 attached [pid 3429] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3429] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3429] setpgid(0, 0) = 0 [pid 3429] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3429] write(3, "1000", 4) = 4 [pid 3429] close(3) = 0 [pid 3429] write(1, "executing program\n", 18executing program ) = 18 [pid 3429] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3429] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3429] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3429] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3429] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3429] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3429] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3430 attached => {parent_tid=[3430]}, 88) = 3430 [pid 3430] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3430] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3430] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3429] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3429] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3430] <... futex resumed>) = 0 [pid 3430] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3430] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3429] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3430] <... futex resumed>) = 0 [pid 3430] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3429] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3429] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3430] <... futex resumed>) = 0 [pid 3430] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3430] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3430] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3430] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3430] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3429] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3430] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3430] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3430] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3430] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3430] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3430] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3430] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3430] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3430] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3430] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3430] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3429] <... futex resumed>) = 0 [pid 3430] <... sendmsg resumed>) = 0 [pid 3429] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3430] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3429] <... mmap resumed>) = 0x7f857e3c2000 [pid 3429] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 3430] <... sendmsg resumed>) = 0 [pid 3429] <... mprotect resumed>) = 0 [pid 3430] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3429] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3429] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3430] <... sendmsg resumed>) = 0 [pid 3430] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3429] <... clone3 resumed> => {parent_tid=[3431]}, 88) = 3431 [pid 3429] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3430] <... sendmsg resumed>) = 0 [pid 3429] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 3430] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3429] <... futex resumed>) = 0 [pid 3429] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3430] <... sendmsg resumed>) = 0 [pid 3430] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3430] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3430] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3430] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3430] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0./strace-static-x86_64: Process 3431 attached ) = 0 [pid 3430] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3430] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3430] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3430] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3430] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3430] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3430] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3430] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3430] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3430] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3431] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3431] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3431] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3431] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3429] <... futex resumed>) = 0 [pid 3431] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3429] exit_group(0 [pid 3430] <... futex resumed>) = ? [pid 3429] <... exit_group resumed>) = ? [pid 3430] +++ exited with 0 +++ [pid 3431] <... futex resumed>) = ? [pid 3431] +++ exited with 0 +++ [pid 3429] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3429, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3432 attached , child_tidptr=0x55555bbac690) = 3432 [pid 3432] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3432] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3432] setpgid(0, 0) = 0 [pid 3432] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3432] write(3, "1000", 4) = 4 [pid 3432] close(3) = 0 executing program [pid 3432] write(1, "executing program\n", 18) = 18 [pid 3432] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3432] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3432] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3432] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3432] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3432] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3432] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[3433]}, 88) = 3433 [pid 3432] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3432] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3432] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3433 attached [pid 3433] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3433] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3433] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3433] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3432] <... futex resumed>) = 0 [pid 3433] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3432] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3432] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3433] <... sendmsg resumed>) = 0 [pid 3432] <... futex resumed>) = 0 [pid 3433] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3432] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3433] <... sendmsg resumed>) = 0 [pid 3432] <... mmap resumed>) = 0x7f857e3c2000 [pid 3433] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3432] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 3433] <... sendmsg resumed>) = 0 [pid 3432] <... mprotect resumed>) = 0 [pid 3433] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3432] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3433] <... sendmsg resumed>) = 0 [pid 3432] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3433] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3433] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3432] <... clone3 resumed> => {parent_tid=[3434]}, 88) = 3434 [pid 3432] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3432] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3432] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3433] <... sendmsg resumed>) = 0 [pid 3433] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 ./strace-static-x86_64: Process 3434 attached [pid 3433] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3433] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3433] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3434] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3433] <... sendmsg resumed>) = 0 [pid 3434] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3434] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3434] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3432] <... futex resumed>) = 0 [pid 3434] <... futex resumed>) = 1 [pid 3433] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3434] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3433] <... sendmsg resumed>) = 0 [pid 3433] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3433] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3433] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3433] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3433] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3433] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3433] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3433] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3433] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3433] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3433] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3433] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3433] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3433] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3433] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3433] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3433] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3433] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3433] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3433] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3433] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3433] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3433] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3433] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3432] exit_group(0) = ? [pid 3433] <... futex resumed>) = ? [pid 3433] +++ exited with 0 +++ [pid 3434] <... futex resumed>) = ? [pid 3434] +++ exited with 0 +++ [pid 3432] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3432, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3435 ./strace-static-x86_64: Process 3435 attached [pid 3435] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3435] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3435] setpgid(0, 0) = 0 [pid 3435] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3435] write(3, "1000", 4) = 4 [pid 3435] close(3executing program ) = 0 [pid 3435] write(1, "executing program\n", 18) = 18 [pid 3435] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3435] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3435] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3435] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3435] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3435] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3435] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[3436]}, 88) = 3436 [pid 3435] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3435] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3435] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3436 attached [pid 3436] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3436] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3436] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3436] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3435] <... futex resumed>) = 0 [pid 3436] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3435] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 3436] <... sendmsg resumed>) = 0 [pid 3435] <... futex resumed>) = 0 [pid 3436] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3435] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3436] <... sendmsg resumed>) = 0 [pid 3435] <... futex resumed>) = 0 [pid 3436] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3435] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3436] <... sendmsg resumed>) = 0 [pid 3436] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3435] <... mmap resumed>) = 0x7f857e3c2000 [pid 3436] <... sendmsg resumed>) = 0 [pid 3435] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 3436] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3435] <... mprotect resumed>) = 0 [pid 3435] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3435] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[3437]}, 88) = 3437 [pid 3436] <... sendmsg resumed>) = 0 [pid 3435] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3435] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3435] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3437 attached [pid 3437] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3437] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3437] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3437] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3435] <... futex resumed>) = 0 [pid 3437] <... futex resumed>) = 1 [pid 3437] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3436] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3436] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3436] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3436] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3436] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3436] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3436] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3436] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3436] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3436] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3436] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3436] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3436] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3436] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3436] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3436] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3436] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3436] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3436] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3436] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3436] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3436] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3436] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3436] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3436] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3436] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3436] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3436] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3436] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3436] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3435] exit_group(0) = ? [pid 3437] <... futex resumed>) = ? [pid 3437] +++ exited with 0 +++ [pid 3436] <... futex resumed>) = ? [pid 3436] +++ exited with 0 +++ [pid 3435] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3435, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3438 attached , child_tidptr=0x55555bbac690) = 3438 [pid 3438] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3438] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3438] setpgid(0, 0) = 0 [pid 3438] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3438] write(3, "1000", 4) = 4 [pid 3438] close(3) = 0 [pid 3438] write(1, "executing program\n", 18executing program ) = 18 [pid 3438] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3438] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3438] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3438] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3438] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3438] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3438] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3439 attached => {parent_tid=[3439]}, 88) = 3439 [pid 3439] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3439] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3439] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3438] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3438] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3439] <... futex resumed>) = 0 [pid 3439] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3439] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3439] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3438] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 3438] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3439] <... futex resumed>) = 0 [pid 3439] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3439] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3439] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3439] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3439] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3438] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3439] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3439] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3439] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3439] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3439] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3439] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3439] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3439] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3439] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3438] <... futex resumed>) = 0 [pid 3439] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3439] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3439] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3439] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3439] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3439] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3439] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3439] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3439] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3439] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3439] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3439] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3439] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3439] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3439] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3439] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3439] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3439] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3439] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3439] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3439] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3438] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3438] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3438] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3438] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0}./strace-static-x86_64: Process 3440 attached [pid 3440] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3438] <... clone3 resumed> => {parent_tid=[3440]}, 88) = 3440 [pid 3440] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3440] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3438] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3438] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3440] <... futex resumed>) = 0 [pid 3438] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3440] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3440] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3438] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3440] <... futex resumed>) = 0 [pid 3440] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3438] exit_group(0 [pid 3439] <... futex resumed>) = ? [pid 3438] <... exit_group resumed>) = ? [pid 3439] +++ exited with 0 +++ [pid 3440] <... futex resumed>) = ? [pid 3440] +++ exited with 0 +++ [pid 3438] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3438, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3441 ./strace-static-x86_64: Process 3441 attached [pid 3441] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3441] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3441] setpgid(0, 0) = 0 [pid 3441] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3441] write(3, "1000", 4) = 4 [pid 3441] close(3) = 0 [pid 3441] write(1, "executing program\n", 18) = 18 executing program [pid 3441] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3441] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3441] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3441] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3441] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3441] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3441] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3442 attached [pid 3442] set_robust_list(0x7f857e4039a0, 24 [pid 3441] <... clone3 resumed> => {parent_tid=[3442]}, 88) = 3442 [pid 3442] <... set_robust_list resumed>) = 0 [pid 3441] rt_sigprocmask(SIG_SETMASK, [], [pid 3442] rt_sigprocmask(SIG_SETMASK, [], [pid 3441] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3442] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3441] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3442] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 3441] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3442] <... socketpair resumed>[3, 4]) = 0 [pid 3442] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3441] <... futex resumed>) = 0 [pid 3442] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3441] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3442] <... sendmsg resumed>) = 0 [pid 3441] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3442] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3441] <... futex resumed>) = 0 [pid 3441] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3442] <... sendmsg resumed>) = 0 [pid 3441] <... mmap resumed>) = 0x7f857e3c2000 [pid 3442] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3441] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 3442] <... sendmsg resumed>) = 0 [pid 3441] <... mprotect resumed>) = 0 [pid 3442] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3441] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3441] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3442] <... sendmsg resumed>) = 0 ./strace-static-x86_64: Process 3443 attached [pid 3442] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3441] <... clone3 resumed> => {parent_tid=[3443]}, 88) = 3443 [pid 3443] set_robust_list(0x7f857e3e29a0, 24 [pid 3441] rt_sigprocmask(SIG_SETMASK, [], [pid 3443] <... set_robust_list resumed>) = 0 [pid 3442] <... sendmsg resumed>) = 0 [pid 3443] rt_sigprocmask(SIG_SETMASK, [], [pid 3442] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3441] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3443] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3441] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 3442] <... sendmsg resumed>) = 0 [pid 3443] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 3441] <... futex resumed>) = 0 [pid 3443] <... setsockopt resumed>) = 0 [pid 3442] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3441] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3443] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3441] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3443] <... futex resumed>) = 0 [pid 3442] <... sendmsg resumed>) = 0 [pid 3442] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3443] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3442] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 3442] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3442] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3442] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3442] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3442] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3442] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3442] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3442] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3442] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3442] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3442] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3442] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3442] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3442] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3442] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3442] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3442] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3442] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3442] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3442] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3442] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3442] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3442] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3442] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3442] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3442] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3442] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3441] exit_group(0 [pid 3442] <... futex resumed>) = ? [pid 3443] <... futex resumed>) = -1 (errno 18446744073709551555) [pid 3441] <... exit_group resumed>) = ? [pid 3442] +++ exited with 0 +++ [pid 3443] +++ exited with 0 +++ [pid 3441] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3441, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3444 ./strace-static-x86_64: Process 3444 attached [pid 3444] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3444] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3444] setpgid(0, 0) = 0 [pid 3444] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3444] write(3, "1000", 4) = 4 [pid 3444] close(3) = 0 executing program [pid 3444] write(1, "executing program\n", 18) = 18 [pid 3444] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3444] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3444] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3444] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3444] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3444] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3444] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3445 attached => {parent_tid=[3445]}, 88) = 3445 [pid 3445] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3445] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3445] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3444] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3444] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3444] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3445] <... futex resumed>) = 0 [pid 3445] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3445] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3445] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3444] <... futex resumed>) = 0 [pid 3444] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3445] <... futex resumed>) = 0 [pid 3445] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3445] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3445] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3444] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3445] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3445] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3444] <... futex resumed>) = 0 [pid 3445] <... sendmsg resumed>) = 0 [pid 3444] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3445] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3445] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3445] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3444] <... mmap resumed>) = 0x7f857e3c2000 [pid 3445] <... sendmsg resumed>) = 0 [pid 3445] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3445] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3445] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3444] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 3445] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3444] <... mprotect resumed>) = 0 [pid 3445] <... sendmsg resumed>) = 0 [pid 3444] rt_sigprocmask(SIG_BLOCK, ~[], [pid 3445] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3444] <... rt_sigprocmask resumed>[], 8) = 0 [pid 3444] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3445] <... sendmsg resumed>) = 0 [pid 3445] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3445] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3445] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3445] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3445] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3445] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0./strace-static-x86_64: Process 3446 attached [pid 3444] <... clone3 resumed> => {parent_tid=[3446]}, 88) = 3446 [pid 3444] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3444] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3444] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3446] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3446] rt_sigprocmask(SIG_SETMASK, [], [pid 3445] <... sendmsg resumed>) = 0 [pid 3446] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3445] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3445] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3445] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3445] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3446] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 3445] <... sendmsg resumed>) = 0 [pid 3445] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3445] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3445] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3446] <... setsockopt resumed>) = 0 [pid 3445] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3445] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3445] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3445] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3445] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3445] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3445] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3445] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3445] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3446] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3444] <... futex resumed>) = 0 [pid 3444] exit_group(0) = ? [pid 3445] <... futex resumed>) = ? [pid 3446] +++ exited with 0 +++ [pid 3445] +++ exited with 0 +++ [pid 3444] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3444, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3447 ./strace-static-x86_64: Process 3447 attached [pid 3447] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3447] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3447] setpgid(0, 0) = 0 [pid 3447] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3447] write(3, "1000", 4) = 4 [pid 3447] close(3) = 0 executing program [pid 3447] write(1, "executing program\n", 18) = 18 [pid 3447] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3447] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3447] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3447] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3447] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3447] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3447] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3448 attached [pid 3448] set_robust_list(0x7f857e4039a0, 24 [pid 3447] <... clone3 resumed> => {parent_tid=[3448]}, 88) = 3448 [pid 3448] <... set_robust_list resumed>) = 0 [pid 3447] rt_sigprocmask(SIG_SETMASK, [], [pid 3448] rt_sigprocmask(SIG_SETMASK, [], [pid 3447] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3448] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3447] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 3448] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 3447] <... futex resumed>) = 0 [pid 3448] <... socketpair resumed>[3, 4]) = 0 [pid 3447] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3448] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3447] <... futex resumed>) = 0 [pid 3447] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3447] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3447] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3447] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3447] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3447] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0}./strace-static-x86_64: Process 3449 attached => {parent_tid=[3449]}, 88) = 3449 [pid 3447] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3447] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3447] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3448] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3448] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3448] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3448] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3448] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3448] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3448] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3448] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3448] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3448] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3448] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3448] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3448] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3448] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3448] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3448] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3448] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3448] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3448] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3448] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3448] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3448] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3448] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3448] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3448] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3448] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3448] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3448] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3448] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3448] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3448] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3448] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3448] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3448] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3448] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3449] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3449] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3449] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3449] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3449] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3447] <... futex resumed>) = 0 [pid 3447] exit_group(0) = ? [pid 3448] <... futex resumed>) = ? [pid 3448] +++ exited with 0 +++ [pid 3449] <... futex resumed>) = ? [pid 3449] +++ exited with 0 +++ [pid 3447] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3447, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3450 ./strace-static-x86_64: Process 3450 attached [pid 3450] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3450] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3450] setpgid(0, 0) = 0 [pid 3450] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3450] write(3, "1000", 4) = 4 [pid 3450] close(3) = 0 [pid 3450] write(1, "executing program\n", 18executing program ) = 18 [pid 3450] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3450] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3450] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3450] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3450] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3450] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3450] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3451 attached => {parent_tid=[3451]}, 88) = 3451 [pid 3451] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3451] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3451] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3450] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3450] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3451] <... futex resumed>) = 0 [pid 3451] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3450] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3451] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3451] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3450] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3450] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3451] <... futex resumed>) = 0 [pid 3451] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3451] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3451] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3451] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3451] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3451] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3451] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3451] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3451] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3451] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3451] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3451] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3450] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3451] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3451] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3451] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3451] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3451] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3451] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3451] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3451] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3451] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3451] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3451] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3451] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3451] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3451] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3451] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3451] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3451] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3450] <... futex resumed>) = 0 [pid 3451] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3451] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3451] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3450] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3451] <... sendmsg resumed>) = 0 [pid 3451] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3451] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3451] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3450] <... mmap resumed>) = 0x7f857e3c2000 [pid 3450] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3450] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3450] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0}./strace-static-x86_64: Process 3452 attached [pid 3452] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3452] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3452] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3450] <... clone3 resumed> => {parent_tid=[3452]}, 88) = 3452 [pid 3450] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3450] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3452] <... futex resumed>) = 0 [pid 3452] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3452] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3452] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3450] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 3450] exit_group(0) = ? [pid 3451] <... futex resumed>) = ? [pid 3451] +++ exited with 0 +++ [pid 3452] <... futex resumed>) = ? [pid 3452] +++ exited with 0 +++ [pid 3450] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3450, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3453 ./strace-static-x86_64: Process 3453 attached [pid 3453] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3453] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3453] setpgid(0, 0) = 0 [pid 3453] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3453] write(3, "1000", 4) = 4 [pid 3453] close(3) = 0 [pid 3453] write(1, "executing program\n", 18executing program ) = 18 [pid 3453] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3453] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3453] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3453] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3453] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3453] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3453] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[3454]}, 88) = 3454 [pid 3453] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3453] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3453] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3454 attached [pid 3454] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3454] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3454] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3454] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3453] <... futex resumed>) = 0 [pid 3454] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3453] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3454] <... sendmsg resumed>) = 0 [pid 3454] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3453] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3454] <... sendmsg resumed>) = 0 [pid 3453] <... futex resumed>) = 0 [pid 3454] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3453] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3454] <... sendmsg resumed>) = 0 [pid 3453] <... mmap resumed>) = 0x7f857e3c2000 [pid 3454] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3453] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 3454] <... sendmsg resumed>) = 0 [pid 3454] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3453] <... mprotect resumed>) = 0 [pid 3454] <... sendmsg resumed>) = 0 [pid 3453] rt_sigprocmask(SIG_BLOCK, ~[], [pid 3454] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3453] <... rt_sigprocmask resumed>[], 8) = 0 [pid 3454] <... sendmsg resumed>) = 0 [pid 3453] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3454] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0./strace-static-x86_64: Process 3455 attached ) = 0 [pid 3453] <... clone3 resumed> => {parent_tid=[3455]}, 88) = 3455 [pid 3455] set_robust_list(0x7f857e3e29a0, 24 [pid 3454] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3455] <... set_robust_list resumed>) = 0 [pid 3453] rt_sigprocmask(SIG_SETMASK, [], [pid 3454] <... sendmsg resumed>) = 0 [pid 3454] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3453] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3454] <... sendmsg resumed>) = 0 [pid 3453] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 3454] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3453] <... futex resumed>) = 0 [pid 3454] <... sendmsg resumed>) = 0 [pid 3453] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3454] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3455] rt_sigprocmask(SIG_SETMASK, [], [pid 3454] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3455] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3454] <... sendmsg resumed>) = 0 [pid 3455] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 3454] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3455] <... setsockopt resumed>) = 0 [pid 3455] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3454] <... sendmsg resumed>) = 0 [pid 3453] <... futex resumed>) = 0 [pid 3454] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3455] <... futex resumed>) = 1 [pid 3454] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 3454] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3455] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3454] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 3454] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3454] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3454] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3454] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3454] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3454] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3454] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3454] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3454] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3454] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3454] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3454] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3454] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3454] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3454] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3454] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3454] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3454] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3454] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3454] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3453] exit_group(0 [pid 3454] <... futex resumed>) = ? [pid 3453] <... exit_group resumed>) = ? [pid 3454] +++ exited with 0 +++ [pid 3455] <... futex resumed>) = ? [pid 3455] +++ exited with 0 +++ [pid 3453] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3453, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3456 ./strace-static-x86_64: Process 3456 attached [pid 3456] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3456] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3456] setpgid(0, 0) = 0 [pid 3456] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3456] write(3, "1000", 4) = 4 [pid 3456] close(3) = 0 executing program [pid 3456] write(1, "executing program\n", 18) = 18 [pid 3456] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3456] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3456] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3456] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3456] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3456] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3456] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[3457]}, 88) = 3457 ./strace-static-x86_64: Process 3457 attached [pid 3457] set_robust_list(0x7f857e4039a0, 24 [pid 3456] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3457] <... set_robust_list resumed>) = 0 [pid 3456] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 3457] rt_sigprocmask(SIG_SETMASK, [], [pid 3456] <... futex resumed>) = 0 [pid 3457] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3456] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3457] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3457] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3456] <... futex resumed>) = 0 [pid 3457] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3456] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 3457] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3456] <... futex resumed>) = 0 [pid 3457] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3456] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3457] <... sendmsg resumed>) = 0 [pid 3456] <... futex resumed>) = 0 [pid 3456] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3457] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3456] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3457] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3456] rt_sigprocmask(SIG_BLOCK, ~[], [pid 3457] <... sendmsg resumed>) = 0 [pid 3457] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3456] <... rt_sigprocmask resumed>[], 8) = 0 [pid 3456] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3457] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0./strace-static-x86_64: Process 3458 attached ) = 0 [pid 3456] <... clone3 resumed> => {parent_tid=[3458]}, 88) = 3458 [pid 3458] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3458] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3458] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3457] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3456] rt_sigprocmask(SIG_SETMASK, [], [pid 3457] <... sendmsg resumed>) = 0 [pid 3456] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3457] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3456] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 3457] <... sendmsg resumed>) = 0 [pid 3456] <... futex resumed>) = 1 [pid 3457] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3456] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3458] <... futex resumed>) = 0 [pid 3458] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3458] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3458] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3456] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3457] <... sendmsg resumed>) = 0 [pid 3457] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3457] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3457] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3457] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3457] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3457] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3457] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3457] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3457] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3457] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3457] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3457] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3457] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3457] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3457] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3457] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3457] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3457] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3457] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3457] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3457] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3457] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3457] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3457] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3457] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3457] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3457] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3456] exit_group(0 [pid 3458] <... futex resumed>) = ? [pid 3457] <... futex resumed>) = ? [pid 3456] <... exit_group resumed>) = ? [pid 3458] +++ exited with 0 +++ [pid 3457] +++ exited with 0 +++ [pid 3456] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3456, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3459 ./strace-static-x86_64: Process 3459 attached [pid 3459] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3459] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3459] setpgid(0, 0) = 0 [pid 3459] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3459] write(3, "1000", 4) = 4 [pid 3459] close(3) = 0 [pid 3459] write(1, "executing program\n", 18executing program ) = 18 [pid 3459] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3459] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3459] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3459] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3459] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3459] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3459] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3460 attached => {parent_tid=[3460]}, 88) = 3460 [pid 3460] set_robust_list(0x7f857e4039a0, 24 [pid 3459] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3459] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3459] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3460] <... set_robust_list resumed>) = 0 [pid 3460] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3460] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3460] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3459] <... futex resumed>) = 0 [pid 3459] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3459] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3459] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3459] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3459] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3459] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3460] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3459] <... clone3 resumed> => {parent_tid=[3461]}, 88) = 3461 [pid 3460] <... sendmsg resumed>) = 0 [pid 3459] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3459] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3459] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3461 attached [pid 3461] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3461] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3461] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3461] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3459] <... futex resumed>) = 0 [pid 3461] <... futex resumed>) = 1 [pid 3461] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3460] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3460] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3460] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3460] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3460] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3460] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3460] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3460] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3460] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3460] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3460] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3460] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3460] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3460] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3460] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3460] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3460] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3460] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3460] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3460] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3460] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3460] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3460] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3460] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3460] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3460] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3460] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3460] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3460] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3460] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3460] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3460] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3460] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3460] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3459] exit_group(0) = ? [pid 3461] <... futex resumed>) = ? [pid 3461] +++ exited with 0 +++ [pid 3460] <... futex resumed>) = ? [pid 3460] +++ exited with 0 +++ [pid 3459] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3459, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3462 ./strace-static-x86_64: Process 3462 attached [pid 3462] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3462] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3462] setpgid(0, 0) = 0 [pid 3462] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3462] write(3, "1000", 4) = 4 [pid 3462] close(3) = 0 [pid 3462] write(1, "executing program\n", 18executing program ) = 18 [pid 3462] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3462] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3462] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3462] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3462] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3462] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3462] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3463 attached => {parent_tid=[3463]}, 88) = 3463 [pid 3463] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3463] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3463] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3462] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3462] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3463] <... futex resumed>) = 0 [pid 3462] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3463] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3463] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3463] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3462] <... futex resumed>) = 0 [pid 3462] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3462] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3462] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3462] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3462] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3462] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[3464]}, 88) = 3464 [pid 3463] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3462] rt_sigprocmask(SIG_SETMASK, [], [pid 3463] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3462] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3462] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3462] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3464 attached [pid 3464] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3464] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3464] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3464] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3462] <... futex resumed>) = 0 [pid 3464] <... futex resumed>) = 1 [pid 3463] <... sendmsg resumed>) = 0 [pid 3464] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3463] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3463] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3463] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3463] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3463] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3463] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3463] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3463] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3463] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3463] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3463] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3463] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3463] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3463] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3463] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3463] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3463] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3463] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3463] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3463] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3463] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3463] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3463] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3463] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3463] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3463] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3463] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3463] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3463] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3463] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3463] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3463] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3463] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3463] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3462] exit_group(0 [pid 3463] <... futex resumed>) = ? [pid 3462] <... exit_group resumed>) = ? [pid 3464] <... futex resumed>) = ? [pid 3463] +++ exited with 0 +++ [pid 3464] +++ exited with 0 +++ [pid 3462] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3462, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3465 ./strace-static-x86_64: Process 3465 attached [pid 3465] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3465] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3465] setpgid(0, 0) = 0 [pid 3465] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3465] write(3, "1000", 4) = 4 [pid 3465] close(3executing program ) = 0 [pid 3465] write(1, "executing program\n", 18) = 18 [pid 3465] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3465] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3465] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3465] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3465] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3465] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3465] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[3466]}, 88) = 3466 ./strace-static-x86_64: Process 3466 attached [pid 3465] rt_sigprocmask(SIG_SETMASK, [], [pid 3466] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3466] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3466] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3465] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3466] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3465] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 3466] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 3465] <... futex resumed>) = 0 [pid 3465] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3466] <... socketpair resumed>[3, 4]) = 0 [pid 3466] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3465] <... futex resumed>) = 0 [pid 3465] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3465] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3465] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3465] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3465] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3465] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[3467]}, 88) = 3467 ./strace-static-x86_64: Process 3467 attached [pid 3465] rt_sigprocmask(SIG_SETMASK, [], [pid 3467] set_robust_list(0x7f857e3e29a0, 24 [pid 3465] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3465] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3465] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3466] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3466] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3466] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3466] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3466] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3466] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3466] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3466] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3467] <... set_robust_list resumed>) = 0 [pid 3466] <... sendmsg resumed>) = 0 [pid 3466] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3467] rt_sigprocmask(SIG_SETMASK, [], [pid 3466] <... sendmsg resumed>) = 0 [pid 3467] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3467] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3467] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3465] <... futex resumed>) = 0 [pid 3467] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3466] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3466] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3466] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3466] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3466] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3466] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3466] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3466] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3466] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3466] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3466] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3466] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3466] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3466] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3466] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3466] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3466] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3466] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3466] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3466] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3466] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3466] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3466] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3466] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3466] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3466] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3465] exit_group(0) = ? [pid 3466] <... futex resumed>) = ? [pid 3467] <... futex resumed>) = ? [pid 3467] +++ exited with 0 +++ [pid 3466] +++ exited with 0 +++ [pid 3465] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3465, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3468 ./strace-static-x86_64: Process 3468 attached [pid 3468] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3468] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3468] setpgid(0, 0) = 0 [pid 3468] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3468] write(3, "1000", 4) = 4 [pid 3468] close(3) = 0 [pid 3468] write(1, "executing program\n", 18executing program ) = 18 [pid 3468] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3468] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3468] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3468] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3468] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3468] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3468] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3469 attached => {parent_tid=[3469]}, 88) = 3469 [pid 3469] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3469] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3469] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3468] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3468] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3469] <... futex resumed>) = 0 [pid 3469] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 3468] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3469] <... socketpair resumed>[3, 4]) = 0 [pid 3469] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3468] <... futex resumed>) = 0 [pid 3468] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3468] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3468] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3468] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3468] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3468] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[3470]}, 88) = 3470 [pid 3468] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3468] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3468] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3470 attached [pid 3470] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3470] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3470] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 3469] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3470] <... setsockopt resumed>) = 0 [pid 3470] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3469] <... sendmsg resumed>) = 0 [pid 3469] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3468] <... futex resumed>) = 0 [pid 3470] <... futex resumed>) = 1 [pid 3470] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3469] <... sendmsg resumed>) = 0 [pid 3469] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3469] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3469] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3469] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3469] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3469] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3469] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3469] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3469] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3469] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3469] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3469] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3469] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3469] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3469] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3469] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3469] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3469] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3469] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3469] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3469] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3469] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3469] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3469] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3469] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3469] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3469] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3469] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3469] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3469] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3469] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3469] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3469] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3468] exit_group(0 [pid 3469] <... futex resumed>) = ? [pid 3468] <... exit_group resumed>) = ? [pid 3469] +++ exited with 0 +++ [pid 3470] <... futex resumed>) = ? [pid 3470] +++ exited with 0 +++ [pid 3468] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3468, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3471 attached , child_tidptr=0x55555bbac690) = 3471 [pid 3471] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3471] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3471] setpgid(0, 0) = 0 [pid 3471] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3471] write(3, "1000", 4) = 4 [pid 3471] close(3) = 0 executing program [pid 3471] write(1, "executing program\n", 18) = 18 [pid 3471] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3471] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3471] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3471] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3471] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3471] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3471] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[3472]}, 88) = 3472 [pid 3471] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3471] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3471] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3472 attached [pid 3472] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3472] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3472] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3472] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3471] <... futex resumed>) = 0 [pid 3471] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3471] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3471] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3471] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3471] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3471] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0}./strace-static-x86_64: Process 3473 attached => {parent_tid=[3473]}, 88) = 3473 [pid 3471] rt_sigprocmask(SIG_SETMASK, [], [pid 3473] set_robust_list(0x7f857e3e29a0, 24 [pid 3471] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3471] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3471] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3472] <... futex resumed>) = 1 [pid 3472] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3472] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3472] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3472] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3472] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3472] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3472] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3473] <... set_robust_list resumed>) = 0 [pid 3472] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3472] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3472] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3472] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3472] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3472] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3472] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3473] rt_sigprocmask(SIG_SETMASK, [], [pid 3472] <... sendmsg resumed>) = 0 [pid 3472] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3472] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3472] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3473] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3472] <... sendmsg resumed>) = 0 [pid 3473] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3473] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3473] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3471] <... futex resumed>) = 0 [pid 3472] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3472] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3472] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3472] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3472] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3472] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3472] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3472] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3472] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3472] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3472] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3472] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3472] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3472] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3472] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3472] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3472] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3471] exit_group(0) = ? [pid 3473] <... futex resumed>) = ? [pid 3473] +++ exited with 0 +++ [pid 3472] +++ exited with 0 +++ [pid 3471] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3471, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3474 ./strace-static-x86_64: Process 3474 attached [pid 3474] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3474] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3474] setpgid(0, 0) = 0 [pid 3474] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3474] write(3, "1000", 4) = 4 [pid 3474] close(3) = 0 [pid 3474] write(1, "executing program\n", 18executing program ) = 18 [pid 3474] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3474] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3474] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3474] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3474] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3474] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3474] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3475 attached => {parent_tid=[3475]}, 88) = 3475 [pid 3475] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3475] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3475] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3474] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3474] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3475] <... futex resumed>) = 0 [pid 3474] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3475] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3475] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3474] <... futex resumed>) = 0 [pid 3474] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3474] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3474] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3474] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3474] rt_sigprocmask(SIG_BLOCK, ~[], [pid 3475] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3474] <... rt_sigprocmask resumed>[], 8) = 0 [pid 3474] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[3476]}, 88) = 3476 [pid 3475] <... sendmsg resumed>) = 0 [pid 3474] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3474] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3474] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3476 attached [pid 3476] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3476] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3476] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3476] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3474] <... futex resumed>) = 0 [pid 3475] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3476] <... futex resumed>) = 1 [pid 3476] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3475] <... sendmsg resumed>) = 0 [pid 3475] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3475] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3475] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3475] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3475] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3475] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3475] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3475] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3475] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3475] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3475] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3475] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3475] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3475] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3475] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3475] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3475] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3475] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3475] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3475] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3475] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3475] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3475] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3475] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3475] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3475] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3475] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3475] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3475] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3475] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3475] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3475] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3475] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3474] exit_group(0) = ? [pid 3475] <... futex resumed>) = ? [pid 3475] +++ exited with 0 +++ [pid 3476] <... futex resumed>) = ? [pid 3476] +++ exited with 0 +++ [pid 3474] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3474, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3477 ./strace-static-x86_64: Process 3477 attached [pid 3477] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3477] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3477] setpgid(0, 0) = 0 [pid 3477] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3477] write(3, "1000", 4) = 4 [pid 3477] close(3) = 0 executing program [pid 3477] write(1, "executing program\n", 18) = 18 [pid 3477] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3477] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3477] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3477] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3477] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3477] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3477] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3478 attached => {parent_tid=[3478]}, 88) = 3478 [pid 3477] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3477] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3477] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3478] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3478] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3478] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3478] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3477] <... futex resumed>) = 0 [pid 3477] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3477] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3477] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3477] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3477] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3477] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[3479]}, 88) = 3479 [pid 3478] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3477] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3477] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3477] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3479 attached [pid 3479] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3479] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3479] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3479] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3478] <... sendmsg resumed>) = 0 [pid 3477] <... futex resumed>) = 0 [pid 3479] <... futex resumed>) = 1 [pid 3478] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3479] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3478] <... sendmsg resumed>) = 0 [pid 3478] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3478] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3478] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3478] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3478] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3478] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3478] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3478] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3478] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3478] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3478] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3478] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3478] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3478] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3478] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3478] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3478] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3478] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3478] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3478] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3478] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3478] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3478] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3478] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3478] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3478] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3478] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3478] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3478] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3478] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3478] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3478] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3478] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3477] exit_group(0) = ? [pid 3478] <... futex resumed>) = 231 [pid 3479] <... futex resumed>) = ? [pid 3478] +++ exited with 0 +++ [pid 3479] +++ exited with 0 +++ [pid 3477] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3477, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3480 ./strace-static-x86_64: Process 3480 attached [pid 3480] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3480] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3480] setpgid(0, 0) = 0 [pid 3480] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3480] write(3, "1000", 4) = 4 [pid 3480] close(3) = 0 [pid 3480] write(1, "executing program\n", 18executing program ) = 18 [pid 3480] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3480] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3480] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3480] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3480] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3480] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3480] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3481 attached => {parent_tid=[3481]}, 88) = 3481 [pid 3480] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3480] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3480] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3481] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3481] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3481] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3481] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3480] <... futex resumed>) = 0 [pid 3480] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3480] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3480] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3480] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3480] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3480] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3481] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0./strace-static-x86_64: Process 3482 attached [pid 3480] <... clone3 resumed> => {parent_tid=[3482]}, 88) = 3482 [pid 3482] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3482] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3482] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3481] <... sendmsg resumed>) = 0 [pid 3481] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3481] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3481] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3481] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3481] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3481] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3481] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3481] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3481] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3481] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3481] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3481] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3481] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3481] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3481] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3481] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3481] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3481] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3481] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3481] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3481] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3481] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3481] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3481] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3481] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3481] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3481] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3481] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3481] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3481] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3481] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3481] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3481] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3481] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3480] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3480] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3482] <... futex resumed>) = 0 [pid 3482] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3482] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3482] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3480] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 3480] exit_group(0) = ? [pid 3482] <... futex resumed>) = ? [pid 3482] +++ exited with 0 +++ [pid 3481] <... futex resumed>) = ? [pid 3481] +++ exited with 0 +++ [pid 3480] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3480, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3483 ./strace-static-x86_64: Process 3483 attached [pid 3483] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3483] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3483] setpgid(0, 0) = 0 [pid 3483] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3483] write(3, "1000", 4) = 4 [pid 3483] close(3) = 0 [pid 3483] write(1, "executing program\n", 18executing program ) = 18 [pid 3483] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3483] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3483] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3483] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3483] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3483] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3483] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3484 attached => {parent_tid=[3484]}, 88) = 3484 [pid 3483] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3483] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3483] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3484] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3484] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3484] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3484] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3483] <... futex resumed>) = 0 [pid 3484] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3483] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3483] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3484] <... sendmsg resumed>) = 0 [pid 3483] <... futex resumed>) = 0 [pid 3484] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3483] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3484] <... sendmsg resumed>) = 0 [pid 3483] <... mmap resumed>) = 0x7f857e3c2000 [pid 3483] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 3484] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3483] <... mprotect resumed>) = 0 [pid 3484] <... sendmsg resumed>) = 0 [pid 3483] rt_sigprocmask(SIG_BLOCK, ~[], [pid 3484] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3483] <... rt_sigprocmask resumed>[], 8) = 0 [pid 3483] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3484] <... sendmsg resumed>) = 0 [pid 3484] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3483] <... clone3 resumed> => {parent_tid=[3485]}, 88) = 3485 [pid 3483] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3483] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3483] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3484] <... sendmsg resumed>) = 0 [pid 3484] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0./strace-static-x86_64: Process 3485 attached ) = 0 [pid 3484] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3484] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3484] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3485] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3485] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3484] <... sendmsg resumed>) = 0 [pid 3485] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3485] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3483] <... futex resumed>) = 0 [pid 3485] <... futex resumed>) = 1 [pid 3485] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3484] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3484] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3484] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3484] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3484] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3484] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3484] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3484] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3484] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3484] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3484] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3484] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3484] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3484] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3484] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3484] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3484] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3484] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3484] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3484] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3484] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3484] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3484] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3484] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3484] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3484] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3483] exit_group(0 [pid 3484] <... futex resumed>) = ? [pid 3483] <... exit_group resumed>) = ? [pid 3484] +++ exited with 0 +++ [pid 3485] <... futex resumed>) = ? [pid 3485] +++ exited with 0 +++ [pid 3483] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3483, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3486 attached , child_tidptr=0x55555bbac690) = 3486 [pid 3486] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3486] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3486] setpgid(0, 0) = 0 [pid 3486] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3486] write(3, "1000", 4) = 4 [pid 3486] close(3) = 0 executing program [pid 3486] write(1, "executing program\n", 18) = 18 [pid 3486] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3486] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3486] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3486] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3486] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3486] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3486] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3487 attached [pid 3487] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3487] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3487] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3486] <... clone3 resumed> => {parent_tid=[3487]}, 88) = 3487 [pid 3486] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3486] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3487] <... futex resumed>) = 0 [pid 3487] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3487] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3486] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3487] <... futex resumed>) = 0 [pid 3487] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3486] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3486] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3487] <... futex resumed>) = 0 [pid 3486] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3487] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3486] <... futex resumed>) = 0 [pid 3486] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3487] <... sendmsg resumed>) = 0 [pid 3486] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 3487] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3486] <... mprotect resumed>) = 0 [pid 3487] <... sendmsg resumed>) = 0 [pid 3487] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3486] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3487] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3486] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3487] <... sendmsg resumed>) = 0 [pid 3487] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3486] <... clone3 resumed> => {parent_tid=[3488]}, 88) = 3488 [pid 3486] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3486] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3487] <... sendmsg resumed>) = 0 [pid 3486] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3487] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3487] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3487] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3487] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3487] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3487] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3487] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3487] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3487] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0./strace-static-x86_64: Process 3488 attached ) = 0 [pid 3487] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3488] set_robust_list(0x7f857e3e29a0, 24 [pid 3487] <... sendmsg resumed>) = 0 [pid 3487] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3487] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3487] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3488] <... set_robust_list resumed>) = 0 [pid 3487] <... sendmsg resumed>) = 0 [pid 3487] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3487] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3487] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3487] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3487] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3487] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3487] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3487] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3487] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3487] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3487] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3487] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3487] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3487] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3487] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3487] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3487] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3488] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3488] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3488] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3486] <... futex resumed>) = 0 [pid 3486] exit_group(0 [pid 3488] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3486] <... exit_group resumed>) = ? [pid 3487] <... futex resumed>) = ? [pid 3487] +++ exited with 0 +++ [pid 3488] <... futex resumed>) = ? [pid 3488] +++ exited with 0 +++ [pid 3486] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3486, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3489 ./strace-static-x86_64: Process 3489 attached [pid 3489] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3489] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3489] setpgid(0, 0) = 0 [pid 3489] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3489] write(3, "1000", 4) = 4 [pid 3489] close(3) = 0 [pid 3489] write(1, "executing program\n", 18executing program ) = 18 [pid 3489] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3489] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3489] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3489] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3489] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3489] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3489] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3490 attached => {parent_tid=[3490]}, 88) = 3490 [pid 3489] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3489] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3489] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3490] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3490] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3490] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3490] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3490] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3489] <... futex resumed>) = 0 [pid 3489] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3490] <... futex resumed>) = 0 [pid 3490] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3489] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3490] <... sendmsg resumed>) = 0 [pid 3490] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3490] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3490] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3489] <... futex resumed>) = 0 [pid 3490] <... sendmsg resumed>) = 0 [pid 3490] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3490] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3490] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3489] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3490] <... sendmsg resumed>) = 0 [pid 3490] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3490] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3490] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3490] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3490] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3490] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3490] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3489] <... mmap resumed>) = 0x7f857e3c2000 [pid 3490] <... sendmsg resumed>) = 0 [pid 3489] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 3490] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3490] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3490] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3490] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3490] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3490] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3490] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3490] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3490] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3490] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3489] <... mprotect resumed>) = 0 [pid 3490] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3490] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3490] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3490] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3489] rt_sigprocmask(SIG_BLOCK, ~[], [pid 3490] <... sendmsg resumed>) = 0 [pid 3490] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3490] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3490] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3490] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3489] <... rt_sigprocmask resumed>[], 8) = 0 [pid 3489] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3490] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3490] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3490] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 3491 attached [pid 3491] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3491] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3491] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3489] <... clone3 resumed> => {parent_tid=[3491]}, 88) = 3491 [pid 3489] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3489] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3491] <... futex resumed>) = 0 [pid 3489] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3491] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3491] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3491] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3489] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3489] exit_group(0 [pid 3490] <... futex resumed>) = ? [pid 3489] <... exit_group resumed>) = ? [pid 3490] +++ exited with 0 +++ [pid 3491] <... futex resumed>) = ? [pid 3491] +++ exited with 0 +++ [pid 3489] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3489, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3492 ./strace-static-x86_64: Process 3492 attached [pid 3492] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3492] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3492] setpgid(0, 0) = 0 [pid 3492] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3492] write(3, "1000", 4) = 4 [pid 3492] close(3executing program ) = 0 [pid 3492] write(1, "executing program\n", 18) = 18 [pid 3492] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3492] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3492] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3492] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3492] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3492] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3492] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[3493]}, 88) = 3493 [pid 3492] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3492] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3492] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3493 attached [pid 3493] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3493] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3493] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3493] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3492] <... futex resumed>) = 0 [pid 3492] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3492] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3492] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3492] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3492] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3492] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[3494]}, 88) = 3494 [pid 3493] <... futex resumed>) = 1 [pid 3492] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 3494 attached [pid 3493] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3492] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3492] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 3493] <... sendmsg resumed>) = 0 [pid 3494] set_robust_list(0x7f857e3e29a0, 24 [pid 3493] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3492] <... futex resumed>) = 0 [pid 3493] <... sendmsg resumed>) = 0 [pid 3494] <... set_robust_list resumed>) = 0 [pid 3493] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3492] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3494] rt_sigprocmask(SIG_SETMASK, [], [pid 3493] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3494] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3493] <... sendmsg resumed>) = 0 [pid 3494] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 3493] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3494] <... setsockopt resumed>) = 0 [pid 3493] <... sendmsg resumed>) = 0 [pid 3494] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3493] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3494] <... futex resumed>) = 1 [pid 3493] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3494] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3493] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 3492] <... futex resumed>) = 0 [pid 3493] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3493] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3493] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3493] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3493] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3493] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3493] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3493] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3493] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3493] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3493] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3493] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3493] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3493] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3493] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3493] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3493] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3493] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3493] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3493] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3493] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3493] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3493] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3493] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3493] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3493] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3493] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3493] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3492] exit_group(0 [pid 3494] <... futex resumed>) = ? [pid 3493] <... futex resumed>) = ? [pid 3492] <... exit_group resumed>) = ? [pid 3494] +++ exited with 0 +++ [pid 3493] +++ exited with 0 +++ [pid 3492] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3492, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3495 ./strace-static-x86_64: Process 3495 attached [pid 3495] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3495] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3495] setpgid(0, 0) = 0 [pid 3495] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3495] write(3, "1000", 4) = 4 [pid 3495] close(3) = 0 [pid 3495] write(1, "executing program\n", 18executing program ) = 18 [pid 3495] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3495] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3495] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3495] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3495] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3495] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3495] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3496 attached => {parent_tid=[3496]}, 88) = 3496 [pid 3496] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3496] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3496] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3495] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3495] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3496] <... futex resumed>) = 0 [pid 3496] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 3495] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3496] <... socketpair resumed>[3, 4]) = 0 [pid 3496] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3495] <... futex resumed>) = 0 [pid 3495] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3495] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3495] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3495] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3495] rt_sigprocmask(SIG_BLOCK, ~[], [pid 3496] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3495] <... rt_sigprocmask resumed>[], 8) = 0 [pid 3495] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[3497]}, 88) = 3497 [pid 3495] rt_sigprocmask(SIG_SETMASK, [], [pid 3496] <... sendmsg resumed>) = 0 [pid 3495] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3495] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3495] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3497 attached [pid 3497] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3497] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3497] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3497] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3495] <... futex resumed>) = 0 [pid 3497] <... futex resumed>) = 1 [pid 3496] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3497] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3496] <... sendmsg resumed>) = 0 [pid 3496] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3496] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3496] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3496] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3496] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3496] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3496] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3496] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3496] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3496] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3496] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3496] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3496] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3496] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3496] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3496] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3496] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3496] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3496] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3496] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3496] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3496] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3496] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3496] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3496] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3496] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3496] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3496] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3496] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3496] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3496] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3496] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3496] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3495] exit_group(0) = ? [pid 3497] <... futex resumed>) = ? [pid 3497] +++ exited with 0 +++ [pid 3496] <... futex resumed>) = ? [pid 3496] +++ exited with 0 +++ [pid 3495] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3495, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3498 ./strace-static-x86_64: Process 3498 attached [pid 3498] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3498] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3498] setpgid(0, 0) = 0 [pid 3498] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3498] write(3, "1000", 4) = 4 [pid 3498] close(3) = 0 [pid 3498] write(1, "executing program\n", 18executing program ) = 18 [pid 3498] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3498] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3498] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3498] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3498] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3498] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3498] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3499 attached => {parent_tid=[3499]}, 88) = 3499 [pid 3499] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3499] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3499] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3498] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3498] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3499] <... futex resumed>) = 0 [pid 3499] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 3498] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3499] <... socketpair resumed>[3, 4]) = 0 [pid 3499] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3499] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3498] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3498] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3499] <... futex resumed>) = 0 [pid 3499] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3499] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3499] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3499] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3499] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3499] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3499] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3499] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3499] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3499] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3499] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3499] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3498] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3499] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3499] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3498] <... futex resumed>) = 0 [pid 3499] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3499] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3499] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3499] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3499] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3499] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3499] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3499] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3499] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3499] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3499] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3499] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3499] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3499] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3499] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3498] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3499] <... sendmsg resumed>) = 0 [pid 3499] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3499] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3499] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3499] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3499] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3499] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3498] <... mmap resumed>) = 0x7f857e3c2000 [pid 3498] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3498] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3498] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0}./strace-static-x86_64: Process 3500 attached => {parent_tid=[3500]}, 88) = 3500 [pid 3498] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3498] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3498] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3500] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3500] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3500] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3500] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3498] <... futex resumed>) = 0 [pid 3500] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3498] exit_group(0 [pid 3499] <... futex resumed>) = ? [pid 3499] +++ exited with 0 +++ [pid 3498] <... exit_group resumed>) = ? [pid 3500] <... futex resumed>) = ? [pid 3500] +++ exited with 0 +++ [pid 3498] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3498, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3501 ./strace-static-x86_64: Process 3501 attached [pid 3501] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3501] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3501] setpgid(0, 0) = 0 [pid 3501] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3501] write(3, "1000", 4) = 4 [pid 3501] close(3) = 0 [pid 3501] write(1, "executing program\n", 18executing program ) = 18 [pid 3501] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3501] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3501] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3501] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3501] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3501] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3501] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3502 attached => {parent_tid=[3502]}, 88) = 3502 [pid 3502] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3502] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3502] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3501] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3501] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3502] <... futex resumed>) = 0 [pid 3502] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 3501] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3502] <... socketpair resumed>[3, 4]) = 0 [pid 3502] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3502] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3501] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3501] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3502] <... futex resumed>) = 0 [pid 3502] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3502] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3502] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3502] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3502] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3502] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3502] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3502] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3502] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3502] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3501] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3502] <... sendmsg resumed>) = 0 [pid 3502] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3502] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3502] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3502] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3501] <... futex resumed>) = 0 [pid 3502] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3502] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3502] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3501] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3502] <... sendmsg resumed>) = 0 [pid 3502] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3502] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3502] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3502] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3502] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3502] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3501] <... mmap resumed>) = 0x7f857e3c2000 [pid 3502] <... sendmsg resumed>) = 0 [pid 3502] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3502] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3502] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3502] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3502] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3502] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3502] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3502] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3502] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3502] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3502] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3502] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3501] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3501] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3501] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0}./strace-static-x86_64: Process 3503 attached [pid 3503] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3503] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3503] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3501] <... clone3 resumed> => {parent_tid=[3503]}, 88) = 3503 [pid 3501] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3501] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3503] <... futex resumed>) = 0 [pid 3503] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3503] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3503] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3501] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 3501] exit_group(0 [pid 3502] <... futex resumed>) = ? [pid 3502] +++ exited with 0 +++ [pid 3501] <... exit_group resumed>) = ? [pid 3503] <... futex resumed>) = ? [pid 3503] +++ exited with 0 +++ [pid 3501] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3501, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3504 ./strace-static-x86_64: Process 3504 attached [pid 3504] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3504] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3504] setpgid(0, 0) = 0 [pid 3504] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3504] write(3, "1000", 4) = 4 [pid 3504] close(3) = 0 executing program [pid 3504] write(1, "executing program\n", 18) = 18 [pid 3504] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3504] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3504] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3504] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3504] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3504] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3504] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[3505]}, 88) = 3505 [pid 3504] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3504] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3504] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3505 attached [pid 3505] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3505] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3505] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3505] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3504] <... futex resumed>) = 0 [pid 3505] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3504] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3505] <... sendmsg resumed>) = 0 [pid 3504] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3505] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3504] <... futex resumed>) = 0 [pid 3505] <... sendmsg resumed>) = 0 [pid 3505] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3504] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3505] <... sendmsg resumed>) = 0 [pid 3504] <... mmap resumed>) = 0x7f857e3c2000 [pid 3505] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3504] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 3505] <... sendmsg resumed>) = 0 [pid 3504] <... mprotect resumed>) = 0 [pid 3505] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3504] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3504] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0}./strace-static-x86_64: Process 3506 attached => {parent_tid=[3506]}, 88) = 3506 [pid 3505] <... sendmsg resumed>) = 0 [pid 3504] rt_sigprocmask(SIG_SETMASK, [], [pid 3505] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3504] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3505] <... sendmsg resumed>) = 0 [pid 3505] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3504] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 3505] <... sendmsg resumed>) = 0 [pid 3504] <... futex resumed>) = 0 [pid 3505] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3504] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3505] <... sendmsg resumed>) = 0 [pid 3505] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3506] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3506] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3506] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3506] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3504] <... futex resumed>) = 0 [pid 3506] <... futex resumed>) = 1 [pid 3506] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3505] <... sendmsg resumed>) = 0 [pid 3505] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3505] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3505] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3505] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3505] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3505] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3505] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3505] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3505] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3505] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3505] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3505] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3505] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3505] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3505] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3505] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3505] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3505] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3505] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3505] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3505] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3505] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3505] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3505] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3505] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3504] exit_group(0) = ? [pid 3506] <... futex resumed>) = ? [pid 3506] +++ exited with 0 +++ [pid 3505] +++ exited with 0 +++ [pid 3504] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3504, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3507 ./strace-static-x86_64: Process 3507 attached [pid 3507] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3507] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3507] setpgid(0, 0) = 0 [pid 3507] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3507] write(3, "1000", 4) = 4 [pid 3507] close(3) = 0 [pid 3507] write(1, "executing program\n", 18executing program ) = 18 [pid 3507] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3507] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3507] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3507] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3507] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3507] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3507] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3508 attached [pid 3508] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3508] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3508] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3507] <... clone3 resumed> => {parent_tid=[3508]}, 88) = 3508 [pid 3507] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3507] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3508] <... futex resumed>) = 0 [pid 3508] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3507] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3508] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3508] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3507] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3507] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3508] <... futex resumed>) = 0 [pid 3508] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3508] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3508] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3508] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3508] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3507] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3508] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3508] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3508] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3508] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3508] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3508] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3507] <... futex resumed>) = 0 [pid 3508] <... sendmsg resumed>) = 0 [pid 3508] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3508] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3508] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3508] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3508] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3508] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3508] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3507] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3508] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3508] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3508] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3508] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3508] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3508] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3508] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3508] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3508] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3507] <... mmap resumed>) = 0x7f857e3c2000 [pid 3508] <... sendmsg resumed>) = 0 [pid 3508] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3508] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3508] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3508] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3508] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3507] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 3508] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3508] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3508] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3507] <... mprotect resumed>) = 0 [pid 3507] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3507] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0}./strace-static-x86_64: Process 3509 attached [pid 3509] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3509] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3509] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3507] <... clone3 resumed> => {parent_tid=[3509]}, 88) = 3509 [pid 3507] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3507] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 3509] <... futex resumed>) = 0 [pid 3509] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3507] <... futex resumed>) = 1 [pid 3509] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3509] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3507] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 3507] exit_group(0) = ? [pid 3508] <... futex resumed>) = ? [pid 3508] +++ exited with 0 +++ [pid 3509] <... futex resumed>) = ? [pid 3509] +++ exited with 0 +++ [pid 3507] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3507, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3510 ./strace-static-x86_64: Process 3510 attached [pid 3510] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3510] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3510] setpgid(0, 0) = 0 [pid 3510] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3510] write(3, "1000", 4) = 4 [pid 3510] close(3) = 0 executing program [pid 3510] write(1, "executing program\n", 18) = 18 [pid 3510] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3510] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3510] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3510] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3510] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3510] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3510] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[3511]}, 88) = 3511 [pid 3510] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3510] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3510] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3511 attached [pid 3511] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3511] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3511] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3511] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3510] <... futex resumed>) = 0 [pid 3510] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3510] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3510] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3510] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3510] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3510] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[3512]}, 88) = 3512 [pid 3510] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3510] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3510] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3511] <... futex resumed>) = 1 [pid 3511] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3511] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3511] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3511] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3511] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3511] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3511] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3511] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3511] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3511] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3511] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3511] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3511] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3511] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3511] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3511] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3511] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3511] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3511] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3511] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3511] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3511] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3511] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3511] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3511] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3511] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3511] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3511] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3511] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3511] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3511] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3511] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3511] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3511] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3511] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 3512 attached [pid 3512] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3512] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3512] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3512] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3510] <... futex resumed>) = 0 [pid 3510] exit_group(0) = ? [pid 3512] <... futex resumed>) = 231 [pid 3511] <... futex resumed>) = ? [pid 3511] +++ exited with 0 +++ [pid 3512] +++ exited with 0 +++ [pid 3510] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3510, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3513 ./strace-static-x86_64: Process 3513 attached [pid 3513] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3513] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3513] setpgid(0, 0) = 0 [pid 3513] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3513] write(3, "1000", 4) = 4 [pid 3513] close(3) = 0 [pid 3513] write(1, "executing program\n", 18executing program ) = 18 [pid 3513] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3513] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3513] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3513] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3513] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3513] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3513] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3514 attached => {parent_tid=[3514]}, 88) = 3514 [pid 3514] set_robust_list(0x7f857e4039a0, 24 [pid 3513] rt_sigprocmask(SIG_SETMASK, [], [pid 3514] <... set_robust_list resumed>) = 0 [pid 3513] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3514] rt_sigprocmask(SIG_SETMASK, [], [pid 3513] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 3514] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3513] <... futex resumed>) = 0 [pid 3514] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 3513] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3514] <... socketpair resumed>[3, 4]) = 0 [pid 3514] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3513] <... futex resumed>) = 0 [pid 3514] <... futex resumed>) = 1 [pid 3513] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 3514] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3513] <... futex resumed>) = 0 [pid 3513] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3514] <... sendmsg resumed>) = 0 [pid 3513] <... futex resumed>) = 0 [pid 3514] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3513] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3514] <... sendmsg resumed>) = 0 [pid 3513] <... mmap resumed>) = 0x7f857e3c2000 [pid 3514] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3513] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3514] <... sendmsg resumed>) = 0 [pid 3513] rt_sigprocmask(SIG_BLOCK, ~[], [pid 3514] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3513] <... rt_sigprocmask resumed>[], 8) = 0 [pid 3514] <... sendmsg resumed>) = 0 [pid 3513] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3514] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3513] <... clone3 resumed> => {parent_tid=[3515]}, 88) = 3515 ./strace-static-x86_64: Process 3515 attached [pid 3514] <... sendmsg resumed>) = 0 [pid 3515] set_robust_list(0x7f857e3e29a0, 24 [pid 3513] rt_sigprocmask(SIG_SETMASK, [], [pid 3515] <... set_robust_list resumed>) = 0 [pid 3514] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3515] rt_sigprocmask(SIG_SETMASK, [], [pid 3513] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3515] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3514] <... sendmsg resumed>) = 0 [pid 3515] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 3513] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 3515] <... setsockopt resumed>) = 0 [pid 3514] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3513] <... futex resumed>) = 0 [pid 3515] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3513] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3515] <... futex resumed>) = 0 [pid 3514] <... sendmsg resumed>) = 0 [pid 3513] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3515] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3514] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3514] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3514] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3514] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3514] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3514] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3514] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3514] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3514] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3514] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3514] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3514] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3514] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3514] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3514] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3514] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3514] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3514] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3514] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3514] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3514] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3514] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3514] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3514] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3514] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3514] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3514] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3514] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3513] exit_group(0 [pid 3514] <... futex resumed>) = ? [pid 3513] <... exit_group resumed>) = ? [pid 3514] +++ exited with 0 +++ [pid 3515] <... futex resumed>) = ? [pid 3515] +++ exited with 0 +++ [pid 3513] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3513, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3516 ./strace-static-x86_64: Process 3516 attached [pid 3516] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3516] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3516] setpgid(0, 0) = 0 [pid 3516] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3516] write(3, "1000", 4) = 4 [pid 3516] close(3) = 0 [pid 3516] write(1, "executing program\n", 18executing program ) = 18 [pid 3516] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3516] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3516] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3516] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3516] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3516] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3516] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3517 attached => {parent_tid=[3517]}, 88) = 3517 [pid 3517] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3517] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3517] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3516] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3516] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3517] <... futex resumed>) = 0 [pid 3517] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 3516] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3517] <... socketpair resumed>[3, 4]) = 0 [pid 3517] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3517] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3516] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3516] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3517] <... futex resumed>) = 0 [pid 3517] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3517] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3517] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3517] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3517] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3516] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3517] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3516] <... futex resumed>) = 0 [pid 3517] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3517] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3517] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3517] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3516] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3517] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3516] <... mmap resumed>) = 0x7f857e3c2000 [pid 3517] <... sendmsg resumed>) = 0 [pid 3517] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3517] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3516] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 3517] <... sendmsg resumed>) = 0 [pid 3517] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3517] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3516] <... mprotect resumed>) = 0 [pid 3517] <... sendmsg resumed>) = 0 [pid 3517] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3517] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3516] rt_sigprocmask(SIG_BLOCK, ~[], [pid 3517] <... sendmsg resumed>) = 0 [pid 3516] <... rt_sigprocmask resumed>[], 8) = 0 [pid 3517] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3517] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3516] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3517] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3517] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3517] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3517] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3517] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3517] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3517] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 ./strace-static-x86_64: Process 3518 attached [pid 3517] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3516] <... clone3 resumed> => {parent_tid=[3518]}, 88) = 3518 [pid 3517] <... sendmsg resumed>) = 0 [pid 3517] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3517] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3518] set_robust_list(0x7f857e3e29a0, 24 [pid 3517] <... sendmsg resumed>) = 0 [pid 3516] rt_sigprocmask(SIG_SETMASK, [], [pid 3517] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3516] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3516] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3517] <... sendmsg resumed>) = 0 [pid 3516] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3517] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3518] <... set_robust_list resumed>) = 0 [pid 3517] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3517] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3518] rt_sigprocmask(SIG_SETMASK, [], [pid 3517] <... sendmsg resumed>) = 0 [pid 3517] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3517] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3518] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3518] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3518] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3516] <... futex resumed>) = 0 [pid 3516] exit_group(0 [pid 3518] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3516] <... exit_group resumed>) = ? [pid 3518] <... futex resumed>) = ? [pid 3517] <... futex resumed>) = ? [pid 3517] +++ exited with 0 +++ [pid 3518] +++ exited with 0 +++ [pid 3516] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3516, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3519 ./strace-static-x86_64: Process 3519 attached [pid 3519] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3519] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3519] setpgid(0, 0) = 0 [pid 3519] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3519] write(3, "1000", 4) = 4 [pid 3519] close(3) = 0 [pid 3519] write(1, "executing program\n", 18executing program ) = 18 [pid 3519] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3519] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3519] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3519] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3519] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3519] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3519] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[3520]}, 88) = 3520 ./strace-static-x86_64: Process 3520 attached [pid 3520] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3520] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3520] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3519] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3519] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3520] <... futex resumed>) = 0 [pid 3520] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 3519] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3520] <... socketpair resumed>[3, 4]) = 0 [pid 3520] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3519] <... futex resumed>) = 0 [pid 3519] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3519] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3519] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3519] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3519] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3519] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3520] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3519] <... clone3 resumed> => {parent_tid=[3521]}, 88) = 3521 [pid 3519] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3519] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3519] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3521 attached [pid 3521] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3521] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3520] <... sendmsg resumed>) = 0 [pid 3521] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3521] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3519] <... futex resumed>) = 0 [pid 3521] <... futex resumed>) = 1 [pid 3521] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3520] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3520] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3520] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3520] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3520] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3520] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3520] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3520] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3520] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3520] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3520] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3520] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3520] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3520] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3520] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3520] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3520] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3520] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3520] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3520] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3520] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3520] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3520] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3520] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3520] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3520] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3520] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3520] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3520] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3520] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3520] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3520] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3520] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3520] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3519] exit_group(0) = ? [pid 3520] <... futex resumed>) = ? [pid 3520] +++ exited with 0 +++ [pid 3521] <... futex resumed>) = ? [pid 3521] +++ exited with 0 +++ [pid 3519] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3519, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3522 ./strace-static-x86_64: Process 3522 attached [pid 3522] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3522] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3522] setpgid(0, 0) = 0 [pid 3522] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3522] write(3, "1000", 4) = 4 [pid 3522] close(3) = 0 [pid 3522] write(1, "executing program\n", 18executing program ) = 18 [pid 3522] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3522] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3522] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3522] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3522] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3522] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3522] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3523 attached => {parent_tid=[3523]}, 88) = 3523 [pid 3523] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3523] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3523] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3522] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3522] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3523] <... futex resumed>) = 0 [pid 3523] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 3522] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3523] <... socketpair resumed>[3, 4]) = 0 [pid 3523] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3522] <... futex resumed>) = 0 [pid 3522] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3522] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3522] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3522] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3522] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3522] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[3524]}, 88) = 3524 [pid 3522] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3522] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3522] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3524 attached [pid 3524] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3524] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3524] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3524] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3522] <... futex resumed>) = 0 [pid 3524] <... futex resumed>) = 1 [pid 3524] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3523] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3523] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3523] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3523] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3523] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3523] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3523] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3523] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3523] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3523] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3523] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3523] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3523] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3523] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3523] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3523] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3523] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3523] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3523] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3523] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3523] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3523] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3523] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3523] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3523] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3523] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3523] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3523] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3523] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3523] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3523] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3523] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3523] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3523] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3523] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3522] exit_group(0 [pid 3523] <... futex resumed>) = ? [pid 3522] <... exit_group resumed>) = ? [pid 3523] +++ exited with 0 +++ [pid 3524] <... futex resumed>) = ? [pid 3524] +++ exited with 0 +++ [pid 3522] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3522, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3525 ./strace-static-x86_64: Process 3525 attached [pid 3525] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3525] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3525] setpgid(0, 0) = 0 [pid 3525] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3525] write(3, "1000", 4) = 4 [pid 3525] close(3) = 0 [pid 3525] write(1, "executing program\n", 18executing program ) = 18 [pid 3525] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3525] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3525] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3525] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3525] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3525] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3525] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3526 attached => {parent_tid=[3526]}, 88) = 3526 [pid 3526] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3526] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3526] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3525] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3525] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3526] <... futex resumed>) = 0 [pid 3526] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 3525] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3526] <... socketpair resumed>[3, 4]) = 0 [pid 3526] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3526] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3525] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3525] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3526] <... futex resumed>) = 0 [pid 3526] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3526] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3526] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3526] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3526] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3526] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3526] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3525] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3526] <... sendmsg resumed>) = 0 [pid 3526] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3526] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3526] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3526] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3525] <... futex resumed>) = 0 [pid 3526] <... sendmsg resumed>) = 0 [pid 3526] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3526] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3526] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3525] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3525] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3526] <... sendmsg resumed>) = 0 [pid 3526] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3526] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3526] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3526] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3525] rt_sigprocmask(SIG_BLOCK, ~[], [pid 3526] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3526] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3526] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3526] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3525] <... rt_sigprocmask resumed>[], 8) = 0 [pid 3526] <... sendmsg resumed>) = 0 [pid 3525] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3526] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3526] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3526] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3526] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3526] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3526] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3526] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3526] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0./strace-static-x86_64: Process 3527 attached [pid 3525] <... clone3 resumed> => {parent_tid=[3527]}, 88) = 3527 [pid 3525] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3525] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3526] <... sendmsg resumed>) = 0 [pid 3525] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3526] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3526] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3526] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3527] set_robust_list(0x7f857e3e29a0, 24 [pid 3526] <... sendmsg resumed>) = 0 [pid 3526] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3526] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3527] <... set_robust_list resumed>) = 0 [pid 3527] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3527] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3527] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3525] <... futex resumed>) = 0 [pid 3527] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3525] exit_group(0) = ? [pid 3526] <... futex resumed>) = ? [pid 3526] +++ exited with 0 +++ [pid 3527] <... futex resumed>) = ? [pid 3527] +++ exited with 0 +++ [pid 3525] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3525, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3528 attached , child_tidptr=0x55555bbac690) = 3528 [pid 3528] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3528] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3528] setpgid(0, 0) = 0 [pid 3528] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3528] write(3, "1000", 4) = 4 [pid 3528] close(3) = 0 executing program [pid 3528] write(1, "executing program\n", 18) = 18 [pid 3528] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3528] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3528] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3528] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3528] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3528] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3528] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3529 attached => {parent_tid=[3529]}, 88) = 3529 [pid 3528] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3528] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3528] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3529] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3529] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3529] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3529] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3529] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3528] <... futex resumed>) = 0 [pid 3528] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3529] <... futex resumed>) = 0 [pid 3529] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3529] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3529] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3529] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3529] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3529] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3529] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3529] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3528] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3529] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3529] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3529] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3528] <... futex resumed>) = 0 [pid 3529] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3528] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3529] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3529] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3529] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3528] <... mmap resumed>) = 0x7f857e3c2000 [pid 3529] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3529] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3529] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3529] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3529] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3528] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 3529] <... sendmsg resumed>) = 0 [pid 3529] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3529] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3529] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3529] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3528] <... mprotect resumed>) = 0 [pid 3529] <... sendmsg resumed>) = 0 [pid 3529] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3529] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3529] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3529] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3529] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3528] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3528] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3529] <... sendmsg resumed>) = 0 [pid 3529] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3529] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3529] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3529] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3529] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3529] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 3530 attached [pid 3528] <... clone3 resumed> => {parent_tid=[3530]}, 88) = 3530 [pid 3530] set_robust_list(0x7f857e3e29a0, 24 [pid 3528] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3528] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3528] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3530] <... set_robust_list resumed>) = 0 [pid 3530] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3530] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3530] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3528] <... futex resumed>) = 0 [pid 3528] exit_group(0 [pid 3529] <... futex resumed>) = ? [pid 3528] <... exit_group resumed>) = ? [pid 3529] +++ exited with 0 +++ [pid 3530] +++ exited with 0 +++ [pid 3528] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3528, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3531 ./strace-static-x86_64: Process 3531 attached [pid 3531] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3531] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3531] setpgid(0, 0) = 0 [pid 3531] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3531] write(3, "1000", 4) = 4 [pid 3531] close(3) = 0 [pid 3531] write(1, "executing program\n", 18executing program ) = 18 [pid 3531] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3531] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3531] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3531] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3531] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3531] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3531] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3532 attached => {parent_tid=[3532]}, 88) = 3532 [pid 3532] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3532] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3532] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3531] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3531] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3532] <... futex resumed>) = 0 [pid 3532] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 3531] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3532] <... socketpair resumed>[3, 4]) = 0 [pid 3532] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3532] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3531] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3531] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3532] <... futex resumed>) = 0 [pid 3532] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3532] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3532] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3531] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3532] <... sendmsg resumed>) = 0 [pid 3532] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3532] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3532] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3532] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3532] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3532] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3531] <... futex resumed>) = 0 [pid 3531] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3532] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3531] <... mmap resumed>) = 0x7f857e3c2000 [pid 3532] <... sendmsg resumed>) = 0 [pid 3532] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3532] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3532] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3532] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3531] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 3532] <... sendmsg resumed>) = 0 [pid 3531] <... mprotect resumed>) = 0 [pid 3532] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3532] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3532] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3532] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3532] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3532] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3532] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3532] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3532] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3532] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3532] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3532] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3532] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3531] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3532] <... sendmsg resumed>) = 0 [pid 3531] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3532] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3532] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 ./strace-static-x86_64: Process 3533 attached [pid 3531] <... clone3 resumed> => {parent_tid=[3533]}, 88) = 3533 [pid 3532] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3531] rt_sigprocmask(SIG_SETMASK, [], [pid 3532] <... sendmsg resumed>) = 0 [pid 3531] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3532] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3531] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3531] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3532] <... sendmsg resumed>) = 0 [pid 3532] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3532] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3532] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3532] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3533] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3533] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3533] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3533] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3531] <... futex resumed>) = 0 [pid 3531] exit_group(0) = ? [pid 3533] exit_group(0 [pid 3532] <... futex resumed>) = ? [pid 3532] +++ exited with 0 +++ [pid 3533] +++ exited with 0 +++ [pid 3531] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3531, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3534 ./strace-static-x86_64: Process 3534 attached [pid 3534] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3534] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3534] setpgid(0, 0) = 0 [pid 3534] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3534] write(3, "1000", 4) = 4 [pid 3534] close(3) = 0 [pid 3534] write(1, "executing program\n", 18executing program ) = 18 [pid 3534] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3534] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3534] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3534] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3534] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3534] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3534] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[3535]}, 88) = 3535 [pid 3534] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3534] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3534] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3535 attached [pid 3535] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3535] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3535] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3535] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3534] <... futex resumed>) = 0 [pid 3535] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3534] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3535] <... sendmsg resumed>) = 0 [pid 3534] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3535] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3534] <... futex resumed>) = 0 [pid 3534] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3535] <... sendmsg resumed>) = 0 [pid 3534] <... mmap resumed>) = 0x7f857e3c2000 [pid 3535] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3534] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 3535] <... sendmsg resumed>) = 0 [pid 3534] <... mprotect resumed>) = 0 [pid 3535] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3534] rt_sigprocmask(SIG_BLOCK, ~[], [pid 3535] <... sendmsg resumed>) = 0 [pid 3534] <... rt_sigprocmask resumed>[], 8) = 0 [pid 3535] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3534] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0}./strace-static-x86_64: Process 3536 attached [pid 3535] <... sendmsg resumed>) = 0 [pid 3536] set_robust_list(0x7f857e3e29a0, 24 [pid 3535] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3536] <... set_robust_list resumed>) = 0 [pid 3535] <... sendmsg resumed>) = 0 [pid 3536] rt_sigprocmask(SIG_SETMASK, [], [pid 3535] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3536] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3535] <... sendmsg resumed>) = 0 [pid 3534] <... clone3 resumed> => {parent_tid=[3536]}, 88) = 3536 [pid 3536] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3535] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3534] rt_sigprocmask(SIG_SETMASK, [], [pid 3535] <... sendmsg resumed>) = 0 [pid 3534] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3535] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3534] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 3535] <... sendmsg resumed>) = 0 [pid 3536] <... futex resumed>) = 0 [pid 3534] <... futex resumed>) = 1 [pid 3536] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 3535] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3536] <... setsockopt resumed>) = 0 [pid 3534] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3535] <... sendmsg resumed>) = 0 [pid 3536] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3535] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3536] <... futex resumed>) = 1 [pid 3534] <... futex resumed>) = 0 [pid 3536] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3535] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 3535] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3535] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3535] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3535] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3535] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3535] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3535] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3535] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3535] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3535] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3535] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3535] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3535] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3535] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3535] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3535] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3535] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3535] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3535] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3535] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3535] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3535] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3535] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3535] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3534] exit_group(0 [pid 3535] <... futex resumed>) = ? [pid 3534] <... exit_group resumed>) = ? [pid 3535] +++ exited with 0 +++ [pid 3536] <... futex resumed>) = ? [pid 3536] +++ exited with 0 +++ [pid 3534] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3534, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3537 ./strace-static-x86_64: Process 3537 attached [pid 3537] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3537] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3537] setpgid(0, 0) = 0 [pid 3537] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3537] write(3, "1000", 4) = 4 [pid 3537] close(3) = 0 [pid 3537] write(1, "executing program\n", 18executing program ) = 18 [pid 3537] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3537] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3537] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3537] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3537] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3537] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3537] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[3538]}, 88) = 3538 [pid 3537] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3537] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3537] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3538 attached [pid 3538] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3538] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3538] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3538] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3537] <... futex resumed>) = 0 [pid 3538] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3537] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3538] <... sendmsg resumed>) = 0 [pid 3537] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3538] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3537] <... futex resumed>) = 0 [pid 3538] <... sendmsg resumed>) = 0 [pid 3537] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3538] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3537] <... mmap resumed>) = 0x7f857e3c2000 [pid 3538] <... sendmsg resumed>) = 0 [pid 3537] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 3538] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3537] <... mprotect resumed>) = 0 [pid 3538] <... sendmsg resumed>) = 0 [pid 3537] rt_sigprocmask(SIG_BLOCK, ~[], [pid 3538] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3537] <... rt_sigprocmask resumed>[], 8) = 0 [pid 3537] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3538] <... sendmsg resumed>) = 0 ./strace-static-x86_64: Process 3539 attached [pid 3538] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3539] set_robust_list(0x7f857e3e29a0, 24 [pid 3538] <... sendmsg resumed>) = 0 [pid 3537] <... clone3 resumed> => {parent_tid=[3539]}, 88) = 3539 [pid 3538] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3537] rt_sigprocmask(SIG_SETMASK, [], [pid 3538] <... sendmsg resumed>) = 0 [pid 3537] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3538] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3537] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 3538] <... sendmsg resumed>) = 0 [pid 3537] <... futex resumed>) = 0 [pid 3538] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3537] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3538] <... sendmsg resumed>) = 0 [pid 3538] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3539] <... set_robust_list resumed>) = 0 [pid 3538] <... sendmsg resumed>) = 0 [pid 3539] rt_sigprocmask(SIG_SETMASK, [], [pid 3538] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3539] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3539] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 3538] <... sendmsg resumed>) = 0 [pid 3538] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3539] <... setsockopt resumed>) = 0 [pid 3538] <... sendmsg resumed>) = 0 [pid 3539] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3538] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3539] <... futex resumed>) = 1 [pid 3538] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 3537] <... futex resumed>) = 0 [pid 3538] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3539] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3538] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 3538] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3538] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3538] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3538] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3538] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3538] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3538] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3538] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3538] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3538] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3538] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3538] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3538] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3538] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3538] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3538] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3538] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3538] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3538] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3538] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3538] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3537] exit_group(0 [pid 3539] <... futex resumed>) = ? [pid 3538] <... futex resumed>) = ? [pid 3537] <... exit_group resumed>) = ? [pid 3539] +++ exited with 0 +++ [pid 3538] +++ exited with 0 +++ [pid 3537] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3537, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>executing program ) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3540 ./strace-static-x86_64: Process 3540 attached [pid 3540] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3540] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3540] setpgid(0, 0) = 0 [pid 3540] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3540] write(3, "1000", 4) = 4 [pid 3540] close(3) = 0 [pid 3540] write(1, "executing program\n", 18) = 18 [pid 3540] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3540] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3540] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3540] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3540] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3540] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3540] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3541 attached => {parent_tid=[3541]}, 88) = 3541 [pid 3541] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3541] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3541] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3540] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3540] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3541] <... futex resumed>) = 0 [pid 3541] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 3540] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3541] <... socketpair resumed>[3, 4]) = 0 [pid 3541] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3541] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3540] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3540] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3541] <... futex resumed>) = 0 [pid 3541] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3541] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3541] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3540] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3541] <... sendmsg resumed>) = 0 [pid 3541] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3541] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3540] <... futex resumed>) = 0 [pid 3541] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3540] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3541] <... sendmsg resumed>) = 0 [pid 3541] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3541] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3541] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3541] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3541] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3541] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3541] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3541] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3541] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3540] <... mmap resumed>) = 0x7f857e3c2000 [pid 3541] <... sendmsg resumed>) = 0 [pid 3541] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3540] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 3541] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3541] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3540] <... mprotect resumed>) = 0 [pid 3541] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3541] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3541] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3540] rt_sigprocmask(SIG_BLOCK, ~[], [pid 3541] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3540] <... rt_sigprocmask resumed>[], 8) = 0 [pid 3541] <... sendmsg resumed>) = 0 [pid 3540] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3541] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3541] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0./strace-static-x86_64: Process 3542 attached [pid 3540] <... clone3 resumed> => {parent_tid=[3542]}, 88) = 3542 [pid 3542] set_robust_list(0x7f857e3e29a0, 24 [pid 3541] <... sendmsg resumed>) = 0 [pid 3542] <... set_robust_list resumed>) = 0 [pid 3540] rt_sigprocmask(SIG_SETMASK, [], [pid 3542] rt_sigprocmask(SIG_SETMASK, [], [pid 3541] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3542] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3540] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3542] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3541] <... sendmsg resumed>) = 0 [pid 3540] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 3542] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3541] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3542] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 3540] <... futex resumed>) = 0 [pid 3542] <... setsockopt resumed>) = 0 [pid 3541] <... sendmsg resumed>) = 0 [pid 3540] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3542] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3541] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3542] <... futex resumed>) = 0 [pid 3540] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3541] <... sendmsg resumed>) = 0 [pid 3541] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3542] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3541] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 3541] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3541] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3541] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3541] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3541] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3541] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3541] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3540] exit_group(0 [pid 3541] <... futex resumed>) = 231 [pid 3540] <... exit_group resumed>) = ? [pid 3542] <... futex resumed>) = ? [pid 3541] +++ exited with 0 +++ [pid 3542] +++ exited with 0 +++ [pid 3540] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3540, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3543 attached , child_tidptr=0x55555bbac690) = 3543 [pid 3543] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3543] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3543] setpgid(0, 0) = 0 [pid 3543] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3543] write(3, "1000", 4) = 4 [pid 3543] close(3) = 0 [pid 3543] write(1, "executing program\n", 18executing program ) = 18 [pid 3543] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3543] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3543] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3543] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3543] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3543] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3543] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3544 attached [pid 3544] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3544] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3544] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3543] <... clone3 resumed> => {parent_tid=[3544]}, 88) = 3544 [pid 3543] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3543] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3544] <... futex resumed>) = 0 [pid 3544] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 3543] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3544] <... socketpair resumed>[3, 4]) = 0 [pid 3544] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3544] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3543] <... futex resumed>) = 0 [pid 3543] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3544] <... futex resumed>) = 0 [pid 3543] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3544] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3543] <... futex resumed>) = 0 [pid 3543] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3544] <... sendmsg resumed>) = 0 [pid 3543] <... mmap resumed>) = 0x7f857e3c2000 [pid 3543] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 3544] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3543] <... mprotect resumed>) = 0 [pid 3544] <... sendmsg resumed>) = 0 [pid 3543] rt_sigprocmask(SIG_BLOCK, ~[], [pid 3544] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3543] <... rt_sigprocmask resumed>[], 8) = 0 [pid 3543] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3544] <... sendmsg resumed>) = 0 [pid 3544] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3544] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3543] <... clone3 resumed> => {parent_tid=[3545]}, 88) = 3545 [pid 3543] rt_sigprocmask(SIG_SETMASK, [], [pid 3544] <... sendmsg resumed>) = 0 [pid 3543] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3544] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3543] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3543] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3544] <... sendmsg resumed>) = 0 [pid 3544] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3544] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3544] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3544] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3544] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3544] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3544] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3544] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3544] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3544] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3544] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3544] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3544] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3544] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3544] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3544] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3544] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3544] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3544] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3544] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3544] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3544] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3544] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3544] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3544] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3544] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3544] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3544] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3544] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 3545 attached [pid 3545] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3545] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3545] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3545] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3543] <... futex resumed>) = 0 [pid 3545] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3543] exit_group(0 [pid 3544] <... futex resumed>) = ? [pid 3544] +++ exited with 0 +++ [pid 3543] <... exit_group resumed>) = ? [pid 3545] <... futex resumed>) = ? [pid 3545] +++ exited with 0 +++ [pid 3543] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3543, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3546 attached , child_tidptr=0x55555bbac690) = 3546 [pid 3546] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3546] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3546] setpgid(0, 0) = 0 [pid 3546] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3546] write(3, "1000", 4) = 4 [pid 3546] close(3) = 0 executing program [pid 3546] write(1, "executing program\n", 18) = 18 [pid 3546] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3546] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3546] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3546] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3546] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3546] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3546] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3547 attached [pid 3547] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3547] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3547] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3546] <... clone3 resumed> => {parent_tid=[3547]}, 88) = 3547 [pid 3546] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3546] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3547] <... futex resumed>) = 0 [pid 3547] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 3546] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3547] <... socketpair resumed>[3, 4]) = 0 [pid 3547] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3547] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3546] <... futex resumed>) = 0 [pid 3546] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3547] <... futex resumed>) = 0 [pid 3546] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3547] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3547] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3547] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3547] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3547] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3547] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3547] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3547] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3547] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3547] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3547] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3547] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3547] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3547] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3546] <... futex resumed>) = 0 [pid 3547] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3546] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3547] <... sendmsg resumed>) = 0 [pid 3546] <... mmap resumed>) = 0x7f857e3c2000 [pid 3547] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3546] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 3547] <... sendmsg resumed>) = 0 [pid 3547] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3546] <... mprotect resumed>) = 0 [pid 3547] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3546] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3546] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3547] <... sendmsg resumed>) = 0 [pid 3547] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3547] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3546] <... clone3 resumed> => {parent_tid=[3548]}, 88) = 3548 [pid 3547] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3546] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3547] <... sendmsg resumed>) = 0 [pid 3546] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 3547] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3546] <... futex resumed>) = 0 [pid 3546] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3547] <... sendmsg resumed>) = 0 [pid 3547] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3547] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3547] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3547] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3547] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3547] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3547] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3547] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3547] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3547] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3547] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3547] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3547] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 3548 attached [pid 3548] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3548] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3548] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3548] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3546] <... futex resumed>) = 0 [pid 3546] exit_group(0) = ? [pid 3547] <... futex resumed>) = ? [pid 3547] +++ exited with 0 +++ [pid 3548] +++ exited with 0 +++ [pid 3546] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3546, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3549 attached , child_tidptr=0x55555bbac690) = 3549 [pid 3549] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3549] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3549] setpgid(0, 0) = 0 [pid 3549] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3549] write(3, "1000", 4) = 4 [pid 3549] close(3) = 0 [pid 3549] write(1, "executing program\n", 18executing program ) = 18 [pid 3549] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3549] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3549] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3549] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3549] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3549] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3549] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3550 attached [pid 3550] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3550] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3550] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3549] <... clone3 resumed> => {parent_tid=[3550]}, 88) = 3550 [pid 3549] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3549] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3550] <... futex resumed>) = 0 [pid 3550] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 3549] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3550] <... socketpair resumed>[3, 4]) = 0 [pid 3550] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3550] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3549] <... futex resumed>) = 0 [pid 3549] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3550] <... futex resumed>) = 0 [pid 3550] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3550] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3550] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3550] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3550] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3549] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3550] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3550] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3550] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3550] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3550] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3549] <... futex resumed>) = 0 [pid 3549] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3550] <... sendmsg resumed>) = 0 [pid 3549] <... mmap resumed>) = 0x7f857e3c2000 [pid 3550] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3549] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 3550] <... sendmsg resumed>) = 0 [pid 3549] <... mprotect resumed>) = 0 [pid 3550] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3549] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3549] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3550] <... sendmsg resumed>) = 0 [pid 3550] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3550] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3549] <... clone3 resumed> => {parent_tid=[3551]}, 88) = 3551 [pid 3549] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3549] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 3550] <... sendmsg resumed>) = 0 [pid 3549] <... futex resumed>) = 0 [pid 3550] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3549] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3550] <... sendmsg resumed>) = 0 [pid 3550] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0./strace-static-x86_64: Process 3551 attached ) = 0 [pid 3550] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3550] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3550] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3551] set_robust_list(0x7f857e3e29a0, 24 [pid 3550] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3551] <... set_robust_list resumed>) = 0 [pid 3550] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3550] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3550] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3551] rt_sigprocmask(SIG_SETMASK, [], [pid 3550] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3550] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3550] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3550] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3551] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3550] <... sendmsg resumed>) = 0 [pid 3550] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3550] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3550] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3550] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3551] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 3550] <... sendmsg resumed>) = 0 [pid 3551] <... setsockopt resumed>) = 0 [pid 3550] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3551] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3550] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3550] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3550] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3551] <... futex resumed>) = 1 [pid 3549] <... futex resumed>) = 0 [pid 3549] exit_group(0 [pid 3551] ????( [pid 3549] <... exit_group resumed>) = ? [pid 3551] <... ???? resumed>) = ? [pid 3550] <... futex resumed>) = ? [pid 3550] +++ exited with 0 +++ [pid 3551] +++ exited with 0 +++ [pid 3549] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3549, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3552 attached , child_tidptr=0x55555bbac690) = 3552 [pid 3552] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3552] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3552] setpgid(0, 0) = 0 [pid 3552] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3552] write(3, "1000", 4) = 4 [pid 3552] close(3) = 0 executing program [pid 3552] write(1, "executing program\n", 18) = 18 [pid 3552] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3552] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3552] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3552] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3552] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3552] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3552] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3553 attached => {parent_tid=[3553]}, 88) = 3553 [pid 3553] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3553] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3553] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3552] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3552] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3553] <... futex resumed>) = 0 [pid 3552] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3553] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3553] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3553] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3552] <... futex resumed>) = 0 [pid 3552] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3552] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3552] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3552] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3553] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3553] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3552] rt_sigprocmask(SIG_BLOCK, ~[], [pid 3553] <... sendmsg resumed>) = 0 [pid 3552] <... rt_sigprocmask resumed>[], 8) = 0 [pid 3552] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3553] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3552] <... clone3 resumed> => {parent_tid=[3554]}, 88) = 3554 [pid 3553] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3552] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3552] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3552] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3554 attached [pid 3554] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3554] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3554] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3554] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3552] <... futex resumed>) = 0 [pid 3554] <... futex resumed>) = 1 [pid 3553] <... sendmsg resumed>) = 0 [pid 3554] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3553] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3553] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3553] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3553] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3553] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3553] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3553] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3553] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3553] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3553] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3553] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3553] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3553] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3553] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3553] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3553] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3553] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3553] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3553] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3553] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3553] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3553] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3553] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3553] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3553] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3553] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3553] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3553] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3553] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3553] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3553] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3553] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3552] exit_group(0 [pid 3553] <... futex resumed>) = ? [pid 3552] <... exit_group resumed>) = ? [pid 3553] +++ exited with 0 +++ [pid 3554] <... futex resumed>) = ? [pid 3554] +++ exited with 0 +++ [pid 3552] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3552, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3555 ./strace-static-x86_64: Process 3555 attached [pid 3555] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3555] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3555] setpgid(0, 0) = 0 [pid 3555] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3555] write(3, "1000", 4) = 4 [pid 3555] close(3executing program ) = 0 [pid 3555] write(1, "executing program\n", 18) = 18 [pid 3555] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3555] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3555] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3555] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3555] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3555] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3555] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3556 attached [pid 3556] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3556] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3556] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3555] <... clone3 resumed> => {parent_tid=[3556]}, 88) = 3556 [pid 3555] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3555] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3556] <... futex resumed>) = 0 [pid 3556] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 3555] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3556] <... socketpair resumed>[3, 4]) = 0 [pid 3556] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3556] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3555] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3555] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3556] <... futex resumed>) = 0 [pid 3556] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3556] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3556] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3556] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3556] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3555] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3556] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3556] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3556] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3556] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3556] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3556] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3555] <... futex resumed>) = 0 [pid 3556] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3555] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3556] <... sendmsg resumed>) = 0 [pid 3555] <... mmap resumed>) = 0x7f857e3c2000 [pid 3556] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3555] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 3556] <... sendmsg resumed>) = 0 [pid 3555] <... mprotect resumed>) = 0 [pid 3556] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3555] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3555] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3556] <... sendmsg resumed>) = 0 [pid 3556] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3556] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3555] <... clone3 resumed> => {parent_tid=[3557]}, 88) = 3557 [pid 3555] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3556] <... sendmsg resumed>) = 0 [pid 3555] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 3556] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3556] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3555] <... futex resumed>) = 0 [pid 3555] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3556] <... sendmsg resumed>) = 0 [pid 3556] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3556] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3556] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3556] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3556] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3556] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3556] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3556] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3556] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3556] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3556] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3556] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3556] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 ./strace-static-x86_64: Process 3557 attached [pid 3556] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3557] set_robust_list(0x7f857e3e29a0, 24 [pid 3556] <... sendmsg resumed>) = 0 [pid 3556] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3556] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3556] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3557] <... set_robust_list resumed>) = 0 [pid 3557] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3557] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3557] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3555] <... futex resumed>) = 0 [pid 3555] exit_group(0 [pid 3557] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3555] <... exit_group resumed>) = ? [pid 3557] <... futex resumed>) = ? [pid 3556] <... futex resumed>) = ? [pid 3556] +++ exited with 0 +++ [pid 3557] +++ exited with 0 +++ [pid 3555] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3555, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3559 ./strace-static-x86_64: Process 3559 attached [pid 3559] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3559] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3559] setpgid(0, 0) = 0 [pid 3559] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3559] write(3, "1000", 4) = 4 [pid 3559] close(3) = 0 [pid 3559] write(1, "executing program\n", 18executing program ) = 18 [pid 3559] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3559] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3559] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3559] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3559] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3559] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3559] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[3560]}, 88) = 3560 [pid 3559] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3559] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3559] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3560 attached [pid 3560] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3560] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3560] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3560] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3559] <... futex resumed>) = 0 [pid 3559] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3559] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3559] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3559] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 3560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3559] <... mprotect resumed>) = 0 [pid 3560] <... sendmsg resumed>) = 0 [pid 3559] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3559] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0./strace-static-x86_64: Process 3561 attached [pid 3559] <... clone3 resumed> => {parent_tid=[3561]}, 88) = 3561 [pid 3559] rt_sigprocmask(SIG_SETMASK, [], [pid 3560] <... sendmsg resumed>) = 0 [pid 3559] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3559] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3559] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3561] set_robust_list(0x7f857e3e29a0, 24 [pid 3560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3561] <... set_robust_list resumed>) = 0 [pid 3560] <... sendmsg resumed>) = 0 [pid 3560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3561] rt_sigprocmask(SIG_SETMASK, [], [pid 3560] <... sendmsg resumed>) = 0 [pid 3561] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3561] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 3560] <... sendmsg resumed>) = 0 [pid 3561] <... setsockopt resumed>) = 0 [pid 3560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3561] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3560] <... sendmsg resumed>) = 0 [pid 3560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3561] <... futex resumed>) = 1 [pid 3560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3559] <... futex resumed>) = 0 [pid 3560] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 3561] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3560] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3560] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3559] exit_group(0 [pid 3560] <... futex resumed>) = ? [pid 3559] <... exit_group resumed>) = ? [pid 3560] +++ exited with 0 +++ [pid 3561] <... futex resumed>) = ? [pid 3561] +++ exited with 0 +++ [pid 3559] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3559, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3562 attached , child_tidptr=0x55555bbac690) = 3562 [pid 3562] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3562] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3562] setpgid(0, 0) = 0 [pid 3562] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3562] write(3, "1000", 4executing program ) = 4 [pid 3562] close(3) = 0 [pid 3562] write(1, "executing program\n", 18) = 18 [pid 3562] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3562] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3562] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3562] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3562] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3562] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3562] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3563 attached => {parent_tid=[3563]}, 88) = 3563 [pid 3563] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3563] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3563] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3562] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3562] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3563] <... futex resumed>) = 0 [pid 3563] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 3562] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3563] <... socketpair resumed>[3, 4]) = 0 [pid 3563] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3563] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3562] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3562] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3563] <... futex resumed>) = 0 [pid 3562] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3562] <... futex resumed>) = 0 [pid 3563] <... sendmsg resumed>) = 0 [pid 3563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3562] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3562] <... mmap resumed>) = 0x7f857e3c2000 [pid 3563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3562] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 3563] <... sendmsg resumed>) = 0 [pid 3562] <... mprotect resumed>) = 0 [pid 3563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3562] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3562] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3563] <... sendmsg resumed>) = 0 [pid 3563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3562] <... clone3 resumed> => {parent_tid=[3564]}, 88) = 3564 [pid 3563] <... sendmsg resumed>) = 0 [pid 3562] rt_sigprocmask(SIG_SETMASK, [], [pid 3563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3562] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3562] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3563] <... sendmsg resumed>) = 0 [pid 3562] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0./strace-static-x86_64: Process 3564 attached ) = 0 [pid 3563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3564] set_robust_list(0x7f857e3e29a0, 24 [pid 3563] <... sendmsg resumed>) = 0 [pid 3563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3564] <... set_robust_list resumed>) = 0 [pid 3563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3564] rt_sigprocmask(SIG_SETMASK, [], [pid 3563] <... sendmsg resumed>) = 0 [pid 3563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3563] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3563] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3564] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3564] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3564] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3562] <... futex resumed>) = 0 [pid 3562] exit_group(0) = ? [pid 3564] +++ exited with 0 +++ [pid 3563] <... futex resumed>) = ? [pid 3563] +++ exited with 0 +++ [pid 3562] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3562, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3565 ./strace-static-x86_64: Process 3565 attached [pid 3565] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3565] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3565] setpgid(0, 0) = 0 [pid 3565] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3565] write(3, "1000", 4) = 4 executing program [pid 3565] close(3) = 0 [pid 3565] write(1, "executing program\n", 18) = 18 [pid 3565] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3565] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3565] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3565] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3565] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3565] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3565] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[3566]}, 88) = 3566 [pid 3565] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3565] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3565] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3566 attached [pid 3566] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3566] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3566] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3566] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3565] <... futex resumed>) = 0 [pid 3565] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3565] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3565] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3565] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 3566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3565] <... mprotect resumed>) = 0 [pid 3565] rt_sigprocmask(SIG_BLOCK, ~[], [pid 3566] <... sendmsg resumed>) = 0 [pid 3565] <... rt_sigprocmask resumed>[], 8) = 0 [pid 3566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3565] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[3567]}, 88) = 3567 [pid 3566] <... sendmsg resumed>) = 0 [pid 3566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3565] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3565] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3565] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3567 attached [pid 3567] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3567] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3567] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3567] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3565] <... futex resumed>) = 0 [pid 3567] <... futex resumed>) = 1 [pid 3567] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3566] <... sendmsg resumed>) = 0 [pid 3566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3566] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3566] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3565] exit_group(0 [pid 3566] <... futex resumed>) = ? [pid 3565] <... exit_group resumed>) = ? [pid 3566] +++ exited with 0 +++ [pid 3567] <... futex resumed>) = ? [pid 3567] +++ exited with 0 +++ [pid 3565] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3565, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3568 ./strace-static-x86_64: Process 3568 attached [pid 3568] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3568] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3568] setpgid(0, 0) = 0 [pid 3568] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3568] write(3, "1000", 4) = 4 [pid 3568] close(3executing program ) = 0 [pid 3568] write(1, "executing program\n", 18) = 18 [pid 3568] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3568] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3568] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3568] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3568] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3568] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3568] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3569 attached => {parent_tid=[3569]}, 88) = 3569 [pid 3569] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3569] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3569] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3568] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3568] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3569] <... futex resumed>) = 0 [pid 3569] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 3568] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3569] <... socketpair resumed>[3, 4]) = 0 [pid 3569] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3569] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3568] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3568] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3569] <... futex resumed>) = 0 [pid 3569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3568] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3569] <... sendmsg resumed>) = 0 [pid 3569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3568] <... futex resumed>) = 0 [pid 3569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3569] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3569] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3568] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3568] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3568] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3568] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0}./strace-static-x86_64: Process 3570 attached [pid 3570] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3568] <... clone3 resumed> => {parent_tid=[3570]}, 88) = 3570 [pid 3570] rt_sigprocmask(SIG_SETMASK, [], [pid 3568] rt_sigprocmask(SIG_SETMASK, [], [pid 3570] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3570] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3568] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3568] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3568] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3570] <... futex resumed>) = 0 [pid 3570] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3570] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3568] <... futex resumed>) = 0 [pid 3568] exit_group(0 [pid 3569] <... futex resumed>) = ? [pid 3569] +++ exited with 0 +++ [pid 3568] <... exit_group resumed>) = ? [pid 3570] +++ exited with 0 +++ [pid 3568] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3568, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3571 ./strace-static-x86_64: Process 3571 attached [pid 3571] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3571] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3571] setpgid(0, 0) = 0 [pid 3571] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3571] write(3, "1000", 4) = 4 [pid 3571] close(3) = 0 [pid 3571] write(1, "executing program\n", 18executing program ) = 18 [pid 3571] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3571] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3571] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3571] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3571] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3571] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3571] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3572 attached => {parent_tid=[3572]}, 88) = 3572 [pid 3572] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3572] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3572] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3571] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3571] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3572] <... futex resumed>) = 0 [pid 3572] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 3571] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3572] <... socketpair resumed>[3, 4]) = 0 [pid 3572] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3571] <... futex resumed>) = 0 [pid 3571] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3571] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3571] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3571] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3571] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3571] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[3573]}, 88) = 3573 [pid 3571] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3571] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3571] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3573 attached [pid 3573] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3573] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3573] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3573] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3571] <... futex resumed>) = 0 [pid 3573] <... futex resumed>) = 1 [pid 3573] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3572] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3572] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3571] exit_group(0) = ? [pid 3572] <... futex resumed>) = ? [pid 3572] +++ exited with 0 +++ [pid 3573] <... futex resumed>) = ? [pid 3573] +++ exited with 0 +++ [pid 3571] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3571, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3574 attached , child_tidptr=0x55555bbac690) = 3574 [pid 3574] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3574] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3574] setpgid(0, 0) = 0 [pid 3574] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3574] write(3, "1000", 4) = 4 [pid 3574] close(3executing program ) = 0 [pid 3574] write(1, "executing program\n", 18) = 18 [pid 3574] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3574] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3574] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3574] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3574] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3574] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3574] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3575 attached [pid 3575] set_robust_list(0x7f857e4039a0, 24 [pid 3574] <... clone3 resumed> => {parent_tid=[3575]}, 88) = 3575 [pid 3575] <... set_robust_list resumed>) = 0 [pid 3574] rt_sigprocmask(SIG_SETMASK, [], [pid 3575] rt_sigprocmask(SIG_SETMASK, [], [pid 3574] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3575] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3574] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 3575] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 3574] <... futex resumed>) = 0 [pid 3574] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3575] <... socketpair resumed>[3, 4]) = 0 [pid 3575] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3574] <... futex resumed>) = 0 [pid 3574] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3574] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3574] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3574] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3574] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3574] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[3576]}, 88) = 3576 [pid 3575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3574] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3574] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3574] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3576 attached [pid 3576] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3576] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3576] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3576] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3574] <... futex resumed>) = 0 [pid 3576] <... futex resumed>) = 1 [pid 3576] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3575] <... sendmsg resumed>) = 0 [pid 3575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3575] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3575] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3574] exit_group(0 [pid 3576] <... futex resumed>) = ? [pid 3575] <... futex resumed>) = ? [pid 3574] <... exit_group resumed>) = ? [pid 3575] +++ exited with 0 +++ [pid 3576] +++ exited with 0 +++ [pid 3574] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3574, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3577 ./strace-static-x86_64: Process 3577 attached [pid 3577] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3577] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3577] setpgid(0, 0) = 0 [pid 3577] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3577] write(3, "1000", 4) = 4 executing program [pid 3577] close(3) = 0 [pid 3577] write(1, "executing program\n", 18) = 18 [pid 3577] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3577] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3577] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3577] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3577] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3577] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3577] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[3578]}, 88) = 3578 ./strace-static-x86_64: Process 3578 attached [pid 3577] rt_sigprocmask(SIG_SETMASK, [], [pid 3578] set_robust_list(0x7f857e4039a0, 24 [pid 3577] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3577] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3577] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3578] <... set_robust_list resumed>) = 0 [pid 3578] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3578] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3578] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3577] <... futex resumed>) = 0 [pid 3577] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3577] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3577] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3577] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3577] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3577] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3577] <... clone3 resumed> => {parent_tid=[3579]}, 88) = 3579 [pid 3577] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3577] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3577] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3579 attached [pid 3579] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3579] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3579] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3579] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3577] <... futex resumed>) = 0 [pid 3579] <... futex resumed>) = 1 [pid 3578] <... sendmsg resumed>) = 0 [pid 3579] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3578] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3577] exit_group(0) = ? [pid 3579] <... futex resumed>) = ? [pid 3579] +++ exited with 0 +++ [pid 3578] <... futex resumed>) = ? [pid 3578] +++ exited with 0 +++ [pid 3577] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3577, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3580 attached , child_tidptr=0x55555bbac690) = 3580 [pid 3580] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3580] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3580] setpgid(0, 0) = 0 [pid 3580] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3580] write(3, "1000", 4) = 4 [pid 3580] close(3executing program ) = 0 [pid 3580] write(1, "executing program\n", 18) = 18 [pid 3580] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3580] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3580] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3580] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3580] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3580] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3580] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3581 attached => {parent_tid=[3581]}, 88) = 3581 [pid 3581] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3581] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3581] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3580] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3580] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3581] <... futex resumed>) = 0 [pid 3580] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3581] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3581] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3581] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3580] <... futex resumed>) = 0 [pid 3580] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3580] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3580] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3580] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3580] rt_sigprocmask(SIG_BLOCK, ~[], [pid 3581] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3580] <... rt_sigprocmask resumed>[], 8) = 0 [pid 3580] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[3582]}, 88) = 3582 [pid 3580] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3580] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3580] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3582 attached [pid 3582] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3582] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3582] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3582] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3580] <... futex resumed>) = 0 [pid 3582] <... futex resumed>) = 1 [pid 3581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3582] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3581] <... sendmsg resumed>) = 0 [pid 3581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3581] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3581] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3580] exit_group(0 [pid 3581] <... futex resumed>) = ? [pid 3580] <... exit_group resumed>) = ? [pid 3581] +++ exited with 0 +++ [pid 3582] <... futex resumed>) = ? [pid 3582] +++ exited with 0 +++ [pid 3580] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3580, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3583 attached , child_tidptr=0x55555bbac690) = 3583 [pid 3583] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3583] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3583] setpgid(0, 0) = 0 [pid 3583] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3583] write(3, "1000", 4) = 4 [pid 3583] close(3) = 0 [pid 3583] write(1, "executing program\n", 18executing program ) = 18 [pid 3583] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3583] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3583] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3583] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3583] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3583] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3583] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3584 attached => {parent_tid=[3584]}, 88) = 3584 [pid 3584] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3584] rt_sigprocmask(SIG_SETMASK, [], [pid 3583] rt_sigprocmask(SIG_SETMASK, [], [pid 3584] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3584] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3583] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3583] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3584] <... futex resumed>) = 0 [pid 3584] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 3583] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3584] <... socketpair resumed>[3, 4]) = 0 [pid 3584] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3583] <... futex resumed>) = 0 [pid 3584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3583] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3583] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3583] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3584] <... sendmsg resumed>) = 0 [pid 3583] <... mmap resumed>) = 0x7f857e3c2000 [pid 3584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3583] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 3584] <... sendmsg resumed>) = 0 [pid 3583] <... mprotect resumed>) = 0 [pid 3584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3583] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3583] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3584] <... sendmsg resumed>) = 0 [pid 3584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3583] <... clone3 resumed> => {parent_tid=[3585]}, 88) = 3585 [pid 3583] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3583] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3583] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3584] <... sendmsg resumed>) = 0 [pid 3584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 ./strace-static-x86_64: Process 3585 attached [pid 3584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3585] set_robust_list(0x7f857e3e29a0, 24 [pid 3584] <... sendmsg resumed>) = 0 [pid 3584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3585] <... set_robust_list resumed>) = 0 [pid 3584] <... sendmsg resumed>) = 0 [pid 3584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3585] rt_sigprocmask(SIG_SETMASK, [], [pid 3584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3585] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3584] <... sendmsg resumed>) = 0 [pid 3585] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3585] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3583] <... futex resumed>) = 0 [pid 3585] <... futex resumed>) = 1 [pid 3584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3585] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3584] <... sendmsg resumed>) = 0 [pid 3584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3584] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3584] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3583] exit_group(0 [pid 3585] <... futex resumed>) = 231 [pid 3583] <... exit_group resumed>) = ? [pid 3584] <... futex resumed>) = ? [pid 3584] +++ exited with 0 +++ [pid 3585] +++ exited with 0 +++ [pid 3583] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3583, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3586 ./strace-static-x86_64: Process 3586 attached [pid 3586] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3586] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3586] setpgid(0, 0) = 0 [pid 3586] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3586] write(3, "1000", 4) = 4 [pid 3586] close(3) = 0 executing program [pid 3586] write(1, "executing program\n", 18) = 18 [pid 3586] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3586] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3586] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3586] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3586] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3586] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3586] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3587 attached [pid 3587] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3587] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3587] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3586] <... clone3 resumed> => {parent_tid=[3587]}, 88) = 3587 [pid 3586] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3586] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3587] <... futex resumed>) = 0 [pid 3587] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 3586] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3587] <... socketpair resumed>[3, 4]) = 0 [pid 3587] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3587] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3586] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3586] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3587] <... futex resumed>) = 0 [pid 3587] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3586] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3587] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3587] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3587] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3587] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3586] <... futex resumed>) = 0 [pid 3587] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3586] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3586] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3587] <... sendmsg resumed>) = 0 [pid 3587] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3586] rt_sigprocmask(SIG_BLOCK, ~[], [pid 3587] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3587] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3587] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3587] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3587] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3587] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3587] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3587] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3587] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3587] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3587] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3587] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3587] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3587] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3587] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3587] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3587] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3587] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3587] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3587] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3587] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3586] <... rt_sigprocmask resumed>[], 8) = 0 [pid 3587] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3586] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3587] <... sendmsg resumed>) = 0 [pid 3587] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3586] <... clone3 resumed> => {parent_tid=[3588]}, 88) = 3588 [pid 3587] <... sendmsg resumed>) = 0 [pid 3586] rt_sigprocmask(SIG_SETMASK, [], [pid 3587] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3586] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3586] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3586] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3587] <... sendmsg resumed>) = 0 [pid 3587] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3587] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3587] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3587] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 3588 attached [pid 3588] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3588] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3588] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3588] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3586] <... futex resumed>) = 0 [pid 3586] exit_group(0) = ? [pid 3587] <... futex resumed>) = ? [pid 3587] +++ exited with 0 +++ [pid 3588] +++ exited with 0 +++ [pid 3586] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3586, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3589 ./strace-static-x86_64: Process 3589 attached [pid 3589] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3589] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3589] setpgid(0, 0) = 0 [pid 3589] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3589] write(3, "1000", 4) = 4 [pid 3589] close(3executing program ) = 0 [pid 3589] write(1, "executing program\n", 18) = 18 [pid 3589] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3589] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3589] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3589] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3589] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3589] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3589] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[3590]}, 88) = 3590 [pid 3589] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3589] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3589] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3590 attached [pid 3590] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3590] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3590] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3590] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3589] <... futex resumed>) = 0 [pid 3589] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3589] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3589] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3589] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3589] rt_sigprocmask(SIG_BLOCK, ~[], [pid 3590] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3589] <... rt_sigprocmask resumed>[], 8) = 0 [pid 3589] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[3591]}, 88) = 3591 [pid 3590] <... sendmsg resumed>) = 0 [pid 3590] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3589] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3589] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3589] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3591 attached [pid 3591] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3591] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3591] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3591] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3590] <... sendmsg resumed>) = 0 [pid 3590] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3589] <... futex resumed>) = 0 [pid 3591] <... futex resumed>) = 1 [pid 3591] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3590] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 3590] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3590] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3590] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3590] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3590] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3590] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3590] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3590] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3590] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3590] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3590] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3590] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3590] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3590] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3590] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3590] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3590] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3590] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3590] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3590] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3590] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3590] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3590] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3590] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3590] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3590] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3590] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3590] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3590] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3590] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3590] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3590] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3589] exit_group(0 [pid 3590] <... futex resumed>) = ? [pid 3589] <... exit_group resumed>) = ? [pid 3590] +++ exited with 0 +++ [pid 3591] <... futex resumed>) = ? [pid 3591] +++ exited with 0 +++ [pid 3589] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3589, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3592 attached , child_tidptr=0x55555bbac690) = 3592 [pid 3592] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3592] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3592] setpgid(0, 0) = 0 [pid 3592] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3592] write(3, "1000", 4) = 4 [pid 3592] close(3) = 0 executing program [pid 3592] write(1, "executing program\n", 18) = 18 [pid 3592] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3592] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3592] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3592] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3592] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3592] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3592] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3593 attached [pid 3593] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3593] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3593] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3592] <... clone3 resumed> => {parent_tid=[3593]}, 88) = 3593 [pid 3592] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3592] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3593] <... futex resumed>) = 0 [pid 3593] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3593] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3593] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3592] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 3592] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3593] <... futex resumed>) = 0 [pid 3593] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3593] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3593] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3593] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3592] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3593] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3593] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3593] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3593] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3593] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3593] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3593] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3593] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3593] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3593] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3593] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3593] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3593] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3593] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3593] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3593] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3593] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3593] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3593] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3593] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3593] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3593] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3593] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3592] <... futex resumed>) = 0 [pid 3593] <... sendmsg resumed>) = 0 [pid 3592] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3593] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3592] <... mmap resumed>) = 0x7f857e3c2000 [pid 3592] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 3593] <... sendmsg resumed>) = 0 [pid 3592] <... mprotect resumed>) = 0 [pid 3593] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3592] rt_sigprocmask(SIG_BLOCK, ~[], [pid 3593] <... sendmsg resumed>) = 0 [pid 3593] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3592] <... rt_sigprocmask resumed>[], 8) = 0 [pid 3592] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3593] <... sendmsg resumed>) = 0 [pid 3593] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3593] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3592] <... clone3 resumed> => {parent_tid=[3594]}, 88) = 3594 [pid 3593] <... sendmsg resumed>) = 0 [pid 3592] rt_sigprocmask(SIG_SETMASK, [], [pid 3593] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3592] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3592] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3593] <... sendmsg resumed>) = 0 [pid 3592] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3593] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3593] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 3594 attached [pid 3594] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3594] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3594] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3594] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3592] <... futex resumed>) = 0 [pid 3594] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3592] exit_group(0) = ? [pid 3593] <... futex resumed>) = ? [pid 3593] +++ exited with 0 +++ [pid 3594] <... futex resumed>) = ? [pid 3594] +++ exited with 0 +++ [pid 3592] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3592, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3595 ./strace-static-x86_64: Process 3595 attached [pid 3595] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3595] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3595] setpgid(0, 0) = 0 [pid 3595] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3595] write(3, "1000", 4) = 4 [pid 3595] close(3) = 0 [pid 3595] write(1, "executing program\n", 18executing program ) = 18 [pid 3595] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3595] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3595] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3595] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3595] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3595] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3595] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3596 attached => {parent_tid=[3596]}, 88) = 3596 [pid 3595] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3595] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3595] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3596] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3596] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3596] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3596] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3595] <... futex resumed>) = 0 [pid 3596] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3595] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 3596] <... futex resumed>) = 0 [pid 3595] <... futex resumed>) = 1 [pid 3596] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3596] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3596] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3596] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3596] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3596] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3596] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3596] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3596] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3596] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3596] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3596] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3596] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3596] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3596] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3596] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3596] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3596] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3596] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3596] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3596] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3596] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3596] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3596] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3596] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3596] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3596] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3596] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3596] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3596] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3596] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3595] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3596] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3596] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3596] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3596] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3595] <... futex resumed>) = 0 [pid 3595] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3595] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3595] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3595] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[3597]}, 88) = 3597 ./strace-static-x86_64: Process 3597 attached [pid 3595] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3595] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3595] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3597] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3597] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3597] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3597] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3595] <... futex resumed>) = 0 [pid 3595] exit_group(0) = ? [pid 3596] <... futex resumed>) = ? [pid 3596] +++ exited with 0 +++ [pid 3597] +++ exited with 0 +++ [pid 3595] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3595, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3598 attached , child_tidptr=0x55555bbac690) = 3598 [pid 3598] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3598] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3598] setpgid(0, 0) = 0 [pid 3598] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3598] write(3, "1000", 4) = 4 executing program [pid 3598] close(3) = 0 [pid 3598] write(1, "executing program\n", 18) = 18 [pid 3598] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3598] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3598] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3598] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3598] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3598] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3598] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[3599]}, 88) = 3599 [pid 3598] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3598] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3598] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3599 attached [pid 3599] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3599] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3599] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3599] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3598] <... futex resumed>) = 0 [pid 3598] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3598] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3598] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3598] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3598] rt_sigprocmask(SIG_BLOCK, ~[], [pid 3599] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3598] <... rt_sigprocmask resumed>[], 8) = 0 [pid 3598] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[3600]}, 88) = 3600 [pid 3598] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3598] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3598] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3600 attached [pid 3600] set_robust_list(0x7f857e3e29a0, 24 [pid 3599] <... sendmsg resumed>) = 0 [pid 3600] <... set_robust_list resumed>) = 0 [pid 3599] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3600] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3600] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3600] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3598] <... futex resumed>) = 0 [pid 3600] <... futex resumed>) = 1 [pid 3600] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3599] <... sendmsg resumed>) = 0 [pid 3599] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3599] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3599] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3599] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3599] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3599] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3599] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3599] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3599] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3599] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3599] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3599] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3599] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3599] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3599] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3599] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3599] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3599] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3599] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3599] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3599] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3599] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3599] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3599] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3599] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3599] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3599] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3599] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3599] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3599] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3599] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3599] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3599] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3598] exit_group(0 [pid 3599] <... futex resumed>) = ? [pid 3598] <... exit_group resumed>) = ? [pid 3599] +++ exited with 0 +++ [pid 3600] <... futex resumed>) = ? [pid 3600] +++ exited with 0 +++ [pid 3598] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3598, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3601 ./strace-static-x86_64: Process 3601 attached [pid 3601] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3601] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3601] setpgid(0, 0) = 0 [pid 3601] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3601] write(3, "1000", 4) = 4 [pid 3601] close(3) = 0 [pid 3601] write(1, "executing program\n", 18executing program ) = 18 [pid 3601] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3601] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3601] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3601] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3601] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3601] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3601] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3602 attached => {parent_tid=[3602]}, 88) = 3602 [pid 3602] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3602] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3602] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3601] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3601] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3602] <... futex resumed>) = 0 [pid 3602] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 3601] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3602] <... socketpair resumed>[3, 4]) = 0 [pid 3602] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3601] <... futex resumed>) = 0 [pid 3601] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3601] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3601] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3601] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3601] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3601] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3602] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3601] <... clone3 resumed> => {parent_tid=[3603]}, 88) = 3603 [pid 3601] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3601] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3601] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3603 attached [pid 3603] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3603] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3603] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3603] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3601] <... futex resumed>) = 0 [pid 3603] <... futex resumed>) = 1 [pid 3603] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3602] <... sendmsg resumed>) = 0 [pid 3602] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3602] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3602] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3602] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3602] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3602] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3602] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3602] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3602] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3602] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3602] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3602] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3602] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3602] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3602] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3602] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3602] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3602] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3602] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3602] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3602] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3602] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3602] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3602] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3602] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3602] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3602] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3602] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3602] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3602] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3602] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3602] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3602] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3602] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3601] exit_group(0 [pid 3602] <... futex resumed>) = ? [pid 3601] <... exit_group resumed>) = ? [pid 3603] <... futex resumed>) = ? [pid 3602] +++ exited with 0 +++ [pid 3603] +++ exited with 0 +++ [pid 3601] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3601, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3604 attached , child_tidptr=0x55555bbac690) = 3604 [pid 3604] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3604] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3604] setpgid(0, 0) = 0 [pid 3604] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3604] write(3, "1000", 4) = 4 [pid 3604] close(3) = 0 executing program [pid 3604] write(1, "executing program\n", 18) = 18 [pid 3604] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3604] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3604] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3604] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3604] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3604] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3604] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3605 attached [pid 3605] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3605] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3605] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3604] <... clone3 resumed> => {parent_tid=[3605]}, 88) = 3605 [pid 3604] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3604] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3605] <... futex resumed>) = 0 [pid 3605] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 3604] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3605] <... socketpair resumed>[3, 4]) = 0 [pid 3605] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3604] <... futex resumed>) = 0 [pid 3604] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3604] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3604] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3604] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3605] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3604] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3604] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3605] <... sendmsg resumed>) = 0 [pid 3604] <... clone3 resumed> => {parent_tid=[3606]}, 88) = 3606 [pid 3605] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3604] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3604] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3604] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3606 attached [pid 3606] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3606] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3606] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3606] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3604] <... futex resumed>) = 0 [pid 3605] <... sendmsg resumed>) = 0 [pid 3606] <... futex resumed>) = 1 [pid 3606] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3605] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3605] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3605] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3605] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3605] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3605] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3605] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3605] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3605] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3605] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3605] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3605] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3605] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3605] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3605] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3605] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3605] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3605] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3605] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3605] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3605] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3605] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3605] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3605] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3605] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3605] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3605] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3605] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3605] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3605] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3605] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3605] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3605] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3604] exit_group(0) = ? [pid 3606] <... futex resumed>) = ? [pid 3606] +++ exited with 0 +++ [pid 3605] <... futex resumed>) = ? [pid 3605] +++ exited with 0 +++ [pid 3604] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3604, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3607 ./strace-static-x86_64: Process 3607 attached [pid 3607] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3607] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3607] setpgid(0, 0) = 0 [pid 3607] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3607] write(3, "1000", 4) = 4 [pid 3607] close(3) = 0 executing program [pid 3607] write(1, "executing program\n", 18) = 18 [pid 3607] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3607] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3607] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3607] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3607] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3607] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3607] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3608 attached => {parent_tid=[3608]}, 88) = 3608 [pid 3608] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3608] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3608] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3607] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3607] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3608] <... futex resumed>) = 0 [pid 3608] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 3607] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3608] <... socketpair resumed>[3, 4]) = 0 [pid 3608] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3608] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3607] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3607] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3608] <... futex resumed>) = 0 [pid 3608] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3608] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3608] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3608] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3608] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3607] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3608] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3608] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3608] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3608] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3608] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3608] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3608] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3608] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3608] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3607] <... futex resumed>) = 0 [pid 3608] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3608] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3607] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3608] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3608] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3607] <... mmap resumed>) = 0x7f857e3c2000 [pid 3608] <... sendmsg resumed>) = 0 [pid 3608] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3608] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3608] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3608] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3608] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3608] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3608] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3608] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3608] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3608] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3608] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3608] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3608] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3608] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3608] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3608] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3608] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3607] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3607] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3607] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0}./strace-static-x86_64: Process 3609 attached [pid 3609] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3609] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3609] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3607] <... clone3 resumed> => {parent_tid=[3609]}, 88) = 3609 [pid 3607] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3607] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3609] <... futex resumed>) = 0 [pid 3609] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3609] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3609] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3607] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 3607] exit_group(0 [pid 3608] <... futex resumed>) = ? [pid 3607] <... exit_group resumed>) = ? [pid 3608] +++ exited with 0 +++ [pid 3609] <... futex resumed>) = ? [pid 3609] +++ exited with 0 +++ [pid 3607] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3607, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3610 ./strace-static-x86_64: Process 3610 attached [pid 3610] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3610] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3610] setpgid(0, 0) = 0 [pid 3610] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3610] write(3, "1000", 4) = 4 [pid 3610] close(3) = 0 [pid 3610] write(1, "executing program\n", 18executing program ) = 18 [pid 3610] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3610] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3610] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3610] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3610] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3610] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3610] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[3611]}, 88) = 3611 [pid 3610] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3610] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3610] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3611 attached [pid 3611] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3611] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3611] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3611] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] <... futex resumed>) = 0 [pid 3610] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3610] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3610] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3610] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3610] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3610] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0}./strace-static-x86_64: Process 3612 attached [pid 3611] <... futex resumed>) = 1 [pid 3610] <... clone3 resumed> => {parent_tid=[3612]}, 88) = 3612 [pid 3611] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3610] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3611] <... sendmsg resumed>) = 0 [pid 3610] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3610] <... futex resumed>) = 0 [pid 3610] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3611] <... sendmsg resumed>) = 0 [pid 3612] set_robust_list(0x7f857e3e29a0, 24 [pid 3611] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3612] <... set_robust_list resumed>) = 0 [pid 3611] <... sendmsg resumed>) = 0 [pid 3612] rt_sigprocmask(SIG_SETMASK, [], [pid 3611] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3612] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3611] <... sendmsg resumed>) = 0 [pid 3611] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3611] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3611] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3611] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3611] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3611] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3611] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3611] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3611] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3612] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 3611] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3611] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3611] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3611] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3611] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3612] <... setsockopt resumed>) = 0 [pid 3611] <... sendmsg resumed>) = 0 [pid 3611] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3611] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3611] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3611] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3611] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3611] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3611] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3612] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 3611] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3612] <... futex resumed>) = 1 [pid 3610] <... futex resumed>) = 0 [pid 3611] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 3611] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3612] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3611] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 3611] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3611] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3611] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3611] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3611] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3611] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3611] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3611] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3610] exit_group(0 [pid 3612] <... futex resumed>) = ? [pid 3611] <... futex resumed>) = ? [pid 3610] <... exit_group resumed>) = ? [pid 3611] +++ exited with 0 +++ [pid 3612] +++ exited with 0 +++ [pid 3610] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3610, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3613 attached , child_tidptr=0x55555bbac690) = 3613 [pid 3613] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3613] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3613] setpgid(0, 0) = 0 [pid 3613] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3613] write(3, "1000", 4) = 4 [pid 3613] close(3) = 0 [pid 3613] write(1, "executing program\n", 18executing program ) = 18 [pid 3613] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3613] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3613] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3613] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3613] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3613] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3613] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3614 attached => {parent_tid=[3614]}, 88) = 3614 [pid 3614] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3614] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3614] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3613] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3613] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3613] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3614] <... futex resumed>) = 0 [pid 3614] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3614] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3613] <... futex resumed>) = 0 [pid 3613] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3613] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3613] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3613] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3613] rt_sigprocmask(SIG_BLOCK, ~[], [pid 3614] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3613] <... rt_sigprocmask resumed>[], 8) = 0 [pid 3614] <... sendmsg resumed>) = 0 [pid 3613] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0}./strace-static-x86_64: Process 3615 attached [pid 3614] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3614] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3614] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3614] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3615] set_robust_list(0x7f857e3e29a0, 24 [pid 3613] <... clone3 resumed> => {parent_tid=[3615]}, 88) = 3615 [pid 3613] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3613] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 3614] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3613] <... futex resumed>) = 0 [pid 3613] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3614] <... sendmsg resumed>) = 0 [pid 3614] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3614] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3614] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3614] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3615] <... set_robust_list resumed>) = 0 [pid 3614] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3614] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3614] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3614] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3614] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3614] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3614] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3614] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3614] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3614] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3614] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3614] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3614] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3614] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3614] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3614] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3614] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3614] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3614] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3614] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3614] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3615] rt_sigprocmask(SIG_SETMASK, [], [pid 3614] <... sendmsg resumed>) = 0 [pid 3614] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3614] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3614] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3614] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3615] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3615] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3615] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3613] <... futex resumed>) = 0 [pid 3613] exit_group(0) = ? [pid 3614] <... futex resumed>) = ? [pid 3615] +++ exited with 0 +++ [pid 3614] +++ exited with 0 +++ [pid 3613] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3613, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3616 ./strace-static-x86_64: Process 3616 attached [pid 3616] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3616] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3616] setpgid(0, 0) = 0 [pid 3616] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3616] write(3, "1000", 4) = 4 [pid 3616] close(3) = 0 executing program [pid 3616] write(1, "executing program\n", 18) = 18 [pid 3616] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3616] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3616] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3616] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3616] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3616] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3616] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3617 attached [pid 3617] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3617] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3617] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3616] <... clone3 resumed> => {parent_tid=[3617]}, 88) = 3617 [pid 3616] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3616] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3617] <... futex resumed>) = 0 [pid 3617] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 3616] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3617] <... socketpair resumed>[3, 4]) = 0 [pid 3617] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3617] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3616] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3616] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3617] <... futex resumed>) = 0 [pid 3617] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3617] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3617] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3616] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3617] <... sendmsg resumed>) = 0 [pid 3617] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3617] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3617] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3617] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3616] <... futex resumed>) = 0 [pid 3617] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3616] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3617] <... sendmsg resumed>) = 0 [pid 3616] <... mmap resumed>) = 0x7f857e3c2000 [pid 3617] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3616] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 3617] <... sendmsg resumed>) = 0 [pid 3616] <... mprotect resumed>) = 0 [pid 3617] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3616] rt_sigprocmask(SIG_BLOCK, ~[], [pid 3617] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3616] <... rt_sigprocmask resumed>[], 8) = 0 [pid 3616] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3617] <... sendmsg resumed>) = 0 [pid 3617] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3617] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3616] <... clone3 resumed> => {parent_tid=[3618]}, 88) = 3618 [pid 3616] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3617] <... sendmsg resumed>) = 0 [pid 3616] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 3617] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3616] <... futex resumed>) = 0 [pid 3616] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3617] <... sendmsg resumed>) = 0 [pid 3617] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3617] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3617] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3617] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3617] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3617] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3617] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3617] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3617] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3617] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3617] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3617] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3617] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3617] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3617] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3617] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3617] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3617] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3617] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3617] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3617] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 3618 attached [pid 3618] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3618] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3618] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3618] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3616] <... futex resumed>) = 0 [pid 3616] exit_group(0) = ? [pid 3617] <... futex resumed>) = ? [pid 3617] +++ exited with 0 +++ [pid 3618] exit_group(0 [pid 3618] +++ exited with 0 +++ [pid 3616] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3616, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3619 attached , child_tidptr=0x55555bbac690) = 3619 [pid 3619] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3619] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3619] setpgid(0, 0) = 0 [pid 3619] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3619] write(3, "1000", 4) = 4 executing program [pid 3619] close(3) = 0 [pid 3619] write(1, "executing program\n", 18) = 18 [pid 3619] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3619] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3619] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3619] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3619] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3619] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3619] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3620 attached => {parent_tid=[3620]}, 88) = 3620 [pid 3620] set_robust_list(0x7f857e4039a0, 24 [pid 3619] rt_sigprocmask(SIG_SETMASK, [], [pid 3620] <... set_robust_list resumed>) = 0 [pid 3620] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3620] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3619] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3619] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3620] <... futex resumed>) = 0 [pid 3620] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 3619] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3620] <... socketpair resumed>[3, 4]) = 0 [pid 3620] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3620] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3619] <... futex resumed>) = 0 [pid 3619] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 3620] <... futex resumed>) = 0 [pid 3619] <... futex resumed>) = 1 [pid 3620] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3620] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3620] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3620] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3620] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3620] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3620] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3620] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3620] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3620] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3620] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3620] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3620] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3620] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3620] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3620] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3620] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3620] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3620] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3620] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3620] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3620] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3620] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3620] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3620] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3620] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3620] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3620] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3620] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3620] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3620] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3620] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3620] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3620] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3620] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3619] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 3620] <... futex resumed>) = 0 [pid 3619] <... futex resumed>) = 1 [pid 3620] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 3619] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3620] <... setsockopt resumed>) = 0 [pid 3620] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3619] <... futex resumed>) = 0 [pid 3620] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3619] exit_group(0) = ? [pid 3620] <... futex resumed>) = ? [pid 3620] +++ exited with 0 +++ [pid 3619] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3619, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3621 ./strace-static-x86_64: Process 3621 attached [pid 3621] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3621] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3621] setpgid(0, 0) = 0 [pid 3621] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3621] write(3, "1000", 4) = 4 executing program [pid 3621] close(3) = 0 [pid 3621] write(1, "executing program\n", 18) = 18 [pid 3621] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3621] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3621] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3621] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3621] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3621] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3621] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3622 attached => {parent_tid=[3622]}, 88) = 3622 [pid 3622] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3622] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3622] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3621] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3621] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3622] <... futex resumed>) = 0 [pid 3622] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 3621] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3622] <... socketpair resumed>[3, 4]) = 0 [pid 3622] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3622] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3621] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3621] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3622] <... futex resumed>) = 0 [pid 3622] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3621] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3622] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3621] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3622] <... sendmsg resumed>) = 0 [pid 3621] <... mmap resumed>) = 0x7f857e3c2000 [pid 3622] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3621] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 3622] <... sendmsg resumed>) = 0 [pid 3621] <... mprotect resumed>) = 0 [pid 3622] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3622] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3622] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3622] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3622] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3622] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3621] rt_sigprocmask(SIG_BLOCK, ~[], [pid 3622] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3622] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3622] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3622] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3622] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3621] <... rt_sigprocmask resumed>[], 8) = 0 [pid 3622] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3622] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3622] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3622] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3622] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3622] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3622] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3621] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3622] <... sendmsg resumed>) = 0 [pid 3622] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3622] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3622] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3622] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3622] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3622] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3622] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3622] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3622] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3622] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3622] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3622] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3622] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3621] <... clone3 resumed> => {parent_tid=[3623]}, 88) = 3623 [pid 3622] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3621] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 3623 attached [pid 3623] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3623] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3621] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3623] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3621] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3623] <... futex resumed>) = 0 [pid 3623] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3623] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3623] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3621] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 3621] exit_group(0 [pid 3622] <... futex resumed>) = ? [pid 3621] <... exit_group resumed>) = ? [pid 3622] +++ exited with 0 +++ [pid 3623] <... futex resumed>) = ? [pid 3623] +++ exited with 0 +++ [pid 3621] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3621, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3624 ./strace-static-x86_64: Process 3624 attached [pid 3624] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3624] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3624] setpgid(0, 0) = 0 [pid 3624] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3624] write(3, "1000", 4) = 4 executing program [pid 3624] close(3) = 0 [pid 3624] write(1, "executing program\n", 18) = 18 [pid 3624] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3624] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3624] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3624] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3624] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3624] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3624] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3625 attached => {parent_tid=[3625]}, 88) = 3625 [pid 3625] set_robust_list(0x7f857e4039a0, 24 [pid 3624] rt_sigprocmask(SIG_SETMASK, [], [pid 3625] <... set_robust_list resumed>) = 0 [pid 3624] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3625] rt_sigprocmask(SIG_SETMASK, [], [pid 3624] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 3625] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3624] <... futex resumed>) = 0 [pid 3625] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 3624] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3625] <... socketpair resumed>[3, 4]) = 0 [pid 3625] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3624] <... futex resumed>) = 0 [pid 3624] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 3625] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3624] <... futex resumed>) = 0 [pid 3624] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3625] <... sendmsg resumed>) = 0 [pid 3624] <... futex resumed>) = 0 [pid 3625] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3624] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3625] <... sendmsg resumed>) = 0 [pid 3624] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 3625] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3624] <... mprotect resumed>) = 0 [pid 3625] <... sendmsg resumed>) = 0 [pid 3624] rt_sigprocmask(SIG_BLOCK, ~[], [pid 3625] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3624] <... rt_sigprocmask resumed>[], 8) = 0 [pid 3625] <... sendmsg resumed>) = 0 [pid 3624] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3625] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0./strace-static-x86_64: Process 3626 attached [pid 3626] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3626] rt_sigprocmask(SIG_SETMASK, [], [pid 3625] <... sendmsg resumed>) = 0 [pid 3624] <... clone3 resumed> => {parent_tid=[3626]}, 88) = 3626 [pid 3624] rt_sigprocmask(SIG_SETMASK, [], [pid 3626] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3624] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3626] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 3624] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3626] <... setsockopt resumed>) = 0 [pid 3624] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3626] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3624] <... futex resumed>) = 0 [pid 3626] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3625] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3625] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3625] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3625] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3625] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3625] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3625] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3625] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3625] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3625] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3625] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3625] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3625] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3625] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3625] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3625] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3625] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3625] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3625] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3625] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3625] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3625] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3625] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3625] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3625] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3625] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3625] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3625] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3625] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3625] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3624] exit_group(0) = ? [pid 3625] <... futex resumed>) = ? [pid 3626] <... futex resumed>) = ? [pid 3625] +++ exited with 0 +++ [pid 3626] +++ exited with 0 +++ [pid 3624] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3624, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3627 attached , child_tidptr=0x55555bbac690) = 3627 [pid 3627] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3627] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3627] setpgid(0, 0) = 0 [pid 3627] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3627] write(3, "1000", 4) = 4 executing program [pid 3627] close(3) = 0 [pid 3627] write(1, "executing program\n", 18) = 18 [pid 3627] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3627] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3627] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3627] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3627] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3627] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3627] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3628 attached => {parent_tid=[3628]}, 88) = 3628 [pid 3628] set_robust_list(0x7f857e4039a0, 24 [pid 3627] rt_sigprocmask(SIG_SETMASK, [], [pid 3628] <... set_robust_list resumed>) = 0 [pid 3628] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3628] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3627] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3627] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3628] <... futex resumed>) = 0 [pid 3627] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3628] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3628] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3627] <... futex resumed>) = 0 [pid 3627] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3627] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3627] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3627] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3627] rt_sigprocmask(SIG_BLOCK, ~[], [pid 3628] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3627] <... rt_sigprocmask resumed>[], 8) = 0 [pid 3627] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3628] <... sendmsg resumed>) = 0 [pid 3627] <... clone3 resumed> => {parent_tid=[3629]}, 88) = 3629 [pid 3627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3627] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3627] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3629 attached [pid 3628] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3629] set_robust_list(0x7f857e3e29a0, 24 [pid 3628] <... sendmsg resumed>) = 0 [pid 3629] <... set_robust_list resumed>) = 0 [pid 3628] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3629] rt_sigprocmask(SIG_SETMASK, [], [pid 3628] <... sendmsg resumed>) = 0 [pid 3629] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3629] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 3628] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3629] <... setsockopt resumed>) = 0 [pid 3628] <... sendmsg resumed>) = 0 [pid 3629] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3628] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3629] <... futex resumed>) = 1 [pid 3628] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 3629] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3628] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3627] <... futex resumed>) = 0 [pid 3628] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3628] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3628] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3628] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3628] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3628] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3628] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3628] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3628] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3628] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3628] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3628] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3628] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3628] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3628] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3628] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3628] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3628] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3628] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3628] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3628] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3628] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3628] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3628] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3628] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3628] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3628] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3628] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3628] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3627] exit_group(0) = ? [pid 3629] <... futex resumed>) = 231 [pid 3628] <... futex resumed>) = ? [pid 3629] +++ exited with 0 +++ [pid 3628] +++ exited with 0 +++ [pid 3627] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3627, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3630 attached , child_tidptr=0x55555bbac690) = 3630 [pid 3630] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3630] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3630] setpgid(0, 0) = 0 [pid 3630] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3630] write(3, "1000", 4) = 4 [pid 3630] close(3) = 0 [pid 3630] write(1, "executing program\n", 18executing program ) = 18 [pid 3630] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3630] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3630] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3630] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3630] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3630] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3630] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3631 attached => {parent_tid=[3631]}, 88) = 3631 [pid 3631] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3631] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3631] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3630] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3630] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3631] <... futex resumed>) = 0 [pid 3631] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 3630] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3631] <... socketpair resumed>[3, 4]) = 0 [pid 3631] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3631] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3630] <... futex resumed>) = 0 [pid 3630] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3631] <... futex resumed>) = 0 [pid 3631] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3631] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3631] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3630] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3631] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3630] <... futex resumed>) = 0 [pid 3631] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3630] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3631] <... sendmsg resumed>) = 0 [pid 3631] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3630] <... mmap resumed>) = 0x7f857e3c2000 [pid 3630] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 3631] <... sendmsg resumed>) = 0 [pid 3630] <... mprotect resumed>) = 0 [pid 3631] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3630] rt_sigprocmask(SIG_BLOCK, ~[], [pid 3631] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3630] <... rt_sigprocmask resumed>[], 8) = 0 [pid 3630] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3631] <... sendmsg resumed>) = 0 [pid 3631] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0./strace-static-x86_64: Process 3632 attached ) = 0 [pid 3630] <... clone3 resumed> => {parent_tid=[3632]}, 88) = 3632 [pid 3632] set_robust_list(0x7f857e3e29a0, 24 [pid 3630] rt_sigprocmask(SIG_SETMASK, [], [pid 3631] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3630] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3632] <... set_robust_list resumed>) = 0 [pid 3630] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 3631] <... sendmsg resumed>) = 0 [pid 3630] <... futex resumed>) = 0 [pid 3632] rt_sigprocmask(SIG_SETMASK, [], [pid 3631] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3630] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3632] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3631] <... sendmsg resumed>) = 0 [pid 3632] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3632] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3630] <... futex resumed>) = 0 [pid 3631] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3632] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3631] <... sendmsg resumed>) = 0 [pid 3631] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3631] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3631] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3631] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3631] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3631] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3631] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3631] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3631] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3631] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3631] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3631] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3631] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3631] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3631] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3631] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3631] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3631] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3631] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3631] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3631] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3631] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3631] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3630] exit_group(0 [pid 3631] <... futex resumed>) = ? [pid 3630] <... exit_group resumed>) = ? [pid 3631] +++ exited with 0 +++ [pid 3632] <... futex resumed>) = ? [pid 3632] +++ exited with 0 +++ [pid 3630] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3630, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3633 ./strace-static-x86_64: Process 3633 attached [pid 3633] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3633] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3633] setpgid(0, 0) = 0 [pid 3633] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3633] write(3, "1000", 4) = 4 [pid 3633] close(3) = 0 executing program [pid 3633] write(1, "executing program\n", 18) = 18 [pid 3633] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3633] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3633] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3633] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3633] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3633] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3633] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3634 attached => {parent_tid=[3634]}, 88) = 3634 [pid 3633] rt_sigprocmask(SIG_SETMASK, [], [pid 3634] set_robust_list(0x7f857e4039a0, 24 [pid 3633] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3634] <... set_robust_list resumed>) = 0 [pid 3634] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3634] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3633] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3634] <... futex resumed>) = 0 [pid 3634] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3634] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3634] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3633] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 3633] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3634] <... futex resumed>) = 0 [pid 3633] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3634] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3633] <... futex resumed>) = 0 [pid 3634] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3633] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3634] <... sendmsg resumed>) = 0 [pid 3634] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3634] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3634] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3634] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3634] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3633] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3634] <... sendmsg resumed>) = 0 [pid 3634] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3633] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3633] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3634] <... sendmsg resumed>) = 0 [pid 3634] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3634] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3633] <... clone3 resumed> => {parent_tid=[3635]}, 88) = 3635 [pid 3633] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3634] <... sendmsg resumed>) = 0 [pid 3633] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 3634] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3633] <... futex resumed>) = 0 [pid 3633] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3634] <... sendmsg resumed>) = 0 [pid 3634] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3634] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3634] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0./strace-static-x86_64: Process 3635 attached ) = 0 [pid 3634] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3634] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3634] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3634] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3635] set_robust_list(0x7f857e3e29a0, 24 [pid 3634] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3635] <... set_robust_list resumed>) = 0 [pid 3635] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3635] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3635] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3633] <... futex resumed>) = 0 [pid 3635] <... futex resumed>) = 1 [pid 3635] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3634] <... sendmsg resumed>) = 0 [pid 3634] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3634] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3634] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3634] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3634] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3634] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3634] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3634] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3634] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3634] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3634] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3634] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3634] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3634] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3634] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3634] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3633] exit_group(0) = ? [pid 3635] <... futex resumed>) = ? [pid 3635] +++ exited with 0 +++ [pid 3634] <... futex resumed>) = ? [pid 3634] +++ exited with 0 +++ [pid 3633] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3633, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3636 ./strace-static-x86_64: Process 3636 attached [pid 3636] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3636] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3636] setpgid(0, 0) = 0 [pid 3636] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3636] write(3, "1000", 4) = 4 [pid 3636] close(3) = 0 executing program [pid 3636] write(1, "executing program\n", 18) = 18 [pid 3636] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3636] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3636] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3636] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3636] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3636] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3636] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3637 attached => {parent_tid=[3637]}, 88) = 3637 [pid 3637] set_robust_list(0x7f857e4039a0, 24 [pid 3636] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3636] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3636] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3637] <... set_robust_list resumed>) = 0 [pid 3637] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3637] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3637] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3637] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3636] <... futex resumed>) = 0 [pid 3636] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3637] <... futex resumed>) = 0 [pid 3637] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3637] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3637] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3637] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3637] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3637] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3637] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3637] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3637] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3637] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3637] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3637] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3637] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3637] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3636] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3637] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3637] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3637] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3637] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3637] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3637] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3637] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3636] <... futex resumed>) = 0 [pid 3637] <... sendmsg resumed>) = 0 [pid 3637] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3637] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3637] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3637] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3637] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3637] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3636] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3637] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3637] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3637] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3637] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3637] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3637] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3637] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3637] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3636] <... mmap resumed>) = 0x7f857e3c2000 [pid 3636] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3636] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3636] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0}./strace-static-x86_64: Process 3638 attached => {parent_tid=[3638]}, 88) = 3638 [pid 3638] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3638] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3638] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3636] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3636] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3638] <... futex resumed>) = 0 [pid 3638] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3638] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3638] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3636] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 3636] exit_group(0 [pid 3637] <... futex resumed>) = ? [pid 3636] <... exit_group resumed>) = ? [pid 3637] +++ exited with 0 +++ [pid 3638] <... futex resumed>) = ? [pid 3638] +++ exited with 0 +++ [pid 3636] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3636, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3639 ./strace-static-x86_64: Process 3639 attached [pid 3639] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3639] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3639] setpgid(0, 0) = 0 [pid 3639] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3639] write(3, "1000", 4) = 4 [pid 3639] close(3executing program ) = 0 [pid 3639] write(1, "executing program\n", 18) = 18 [pid 3639] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3639] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3639] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3639] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3639] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3639] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3639] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3640 attached [pid 3640] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3640] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3640] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3639] <... clone3 resumed> => {parent_tid=[3640]}, 88) = 3640 [pid 3639] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3639] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3640] <... futex resumed>) = 0 [pid 3640] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 3639] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3640] <... socketpair resumed>[3, 4]) = 0 [pid 3640] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3640] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3639] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3639] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3640] <... futex resumed>) = 0 [pid 3640] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3640] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3640] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3639] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3640] <... sendmsg resumed>) = 0 [pid 3640] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3640] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3639] <... futex resumed>) = 0 [pid 3640] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3640] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3640] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3640] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3639] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3640] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3640] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3640] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3640] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3640] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3639] <... mmap resumed>) = 0x7f857e3c2000 [pid 3640] <... sendmsg resumed>) = 0 [pid 3640] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3640] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3640] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3640] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3640] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3640] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3640] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3639] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 3640] <... sendmsg resumed>) = 0 [pid 3640] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3640] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3640] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3640] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3639] <... mprotect resumed>) = 0 [pid 3640] <... sendmsg resumed>) = 0 [pid 3640] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3640] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3640] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3640] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3639] rt_sigprocmask(SIG_BLOCK, ~[], [pid 3640] <... sendmsg resumed>) = 0 [pid 3640] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3640] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3640] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3640] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3639] <... rt_sigprocmask resumed>[], 8) = 0 [pid 3640] <... sendmsg resumed>) = 0 [pid 3639] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3640] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3640] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 3641 attached [pid 3639] <... clone3 resumed> => {parent_tid=[3641]}, 88) = 3641 [pid 3641] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3641] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3641] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3639] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3639] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3641] <... futex resumed>) = 0 [pid 3639] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3641] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3641] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3641] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3639] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3639] exit_group(0 [pid 3640] <... futex resumed>) = ? [pid 3639] <... exit_group resumed>) = ? [pid 3640] +++ exited with 0 +++ [pid 3641] <... futex resumed>) = ? [pid 3641] +++ exited with 0 +++ [pid 3639] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3639, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3642 ./strace-static-x86_64: Process 3642 attached [pid 3642] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3642] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3642] setpgid(0, 0) = 0 [pid 3642] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3642] write(3, "1000", 4) = 4 [pid 3642] close(3) = 0 executing program [pid 3642] write(1, "executing program\n", 18) = 18 [pid 3642] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3642] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3642] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3642] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3642] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3642] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3642] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3643 attached => {parent_tid=[3643]}, 88) = 3643 [pid 3643] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3643] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3643] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3642] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3642] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3643] <... futex resumed>) = 0 [pid 3643] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 3642] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3643] <... socketpair resumed>[3, 4]) = 0 [pid 3643] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3642] <... futex resumed>) = 0 [pid 3642] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3642] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3642] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3642] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3643] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3642] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3642] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[3644]}, 88) = 3644 [pid 3642] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3642] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3642] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3644 attached [pid 3644] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3644] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3644] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3644] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3642] <... futex resumed>) = 0 [pid 3644] <... futex resumed>) = 1 [pid 3644] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3643] <... sendmsg resumed>) = 0 [pid 3643] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3643] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3643] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3643] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3643] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3643] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3643] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3643] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3643] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3643] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3643] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3643] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3643] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3643] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3643] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3643] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3643] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3643] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3643] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3643] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3643] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3643] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3643] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3643] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3643] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3643] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3643] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3643] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3643] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3643] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3643] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3643] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3643] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3643] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3642] exit_group(0 [pid 3643] <... futex resumed>) = ? [pid 3642] <... exit_group resumed>) = ? [pid 3643] +++ exited with 0 +++ [pid 3644] <... futex resumed>) = ? [pid 3644] +++ exited with 0 +++ [pid 3642] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3642, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3645 attached , child_tidptr=0x55555bbac690) = 3645 [pid 3645] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3645] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3645] setpgid(0, 0) = 0 [pid 3645] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3645] write(3, "1000", 4) = 4 [pid 3645] close(3) = 0 [pid 3645] write(1, "executing program\n", 18executing program ) = 18 [pid 3645] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3645] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3645] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3645] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3645] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3645] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3645] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3646 attached => {parent_tid=[3646]}, 88) = 3646 [pid 3646] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3646] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3646] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3645] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3645] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3646] <... futex resumed>) = 0 [pid 3646] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 3645] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3646] <... socketpair resumed>[3, 4]) = 0 [pid 3646] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3646] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3645] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3645] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3646] <... futex resumed>) = 0 [pid 3646] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3646] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3646] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3646] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3646] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3646] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3646] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3646] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3646] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3646] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3646] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3646] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3646] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3646] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3646] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3646] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3646] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3646] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3646] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3646] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3646] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3646] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3646] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3646] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3646] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3646] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3646] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3646] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3646] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3646] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3646] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3646] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3646] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3646] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3646] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3645] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3646] <... futex resumed>) = 0 [pid 3646] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3646] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3646] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3645] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 3645] exit_group(0 [pid 3646] <... futex resumed>) = ? [pid 3646] +++ exited with 0 +++ [pid 3645] <... exit_group resumed>) = ? [pid 3645] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3645, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3647 ./strace-static-x86_64: Process 3647 attached [pid 3647] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3647] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3647] setpgid(0, 0) = 0 [pid 3647] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program ) = 3 [pid 3647] write(3, "1000", 4) = 4 [pid 3647] close(3) = 0 [pid 3647] write(1, "executing program\n", 18) = 18 [pid 3647] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3647] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3647] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3647] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3647] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3647] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3647] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[3648]}, 88) = 3648 [pid 3647] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3647] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3647] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3648 attached [pid 3648] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3648] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3648] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3648] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3647] <... futex resumed>) = 0 [pid 3647] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3647] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3647] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3647] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3647] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3647] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3648] <... sendmsg resumed>) = 0 [pid 3647] <... clone3 resumed> => {parent_tid=[3649]}, 88) = 3649 [pid 3647] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3647] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3647] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3649 attached [pid 3649] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3649] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3649] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 3648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3649] <... setsockopt resumed>) = 0 [pid 3649] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3647] <... futex resumed>) = 0 [pid 3649] <... futex resumed>) = 1 [pid 3649] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3648] <... sendmsg resumed>) = 0 [pid 3648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3648] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3648] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3647] exit_group(0 [pid 3648] <... futex resumed>) = ? [pid 3647] <... exit_group resumed>) = ? [pid 3648] +++ exited with 0 +++ [pid 3649] <... futex resumed>) = ? [pid 3649] +++ exited with 0 +++ [pid 3647] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3647, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3650 attached , child_tidptr=0x55555bbac690) = 3650 [pid 3650] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3650] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3650] setpgid(0, 0) = 0 [pid 3650] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3650] write(3, "1000", 4) = 4 [pid 3650] close(3) = 0 [pid 3650] write(1, "executing program\n", 18executing program ) = 18 [pid 3650] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3650] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3650] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3650] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3650] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3650] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3650] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3651 attached => {parent_tid=[3651]}, 88) = 3651 [pid 3651] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3651] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3651] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3650] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3650] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3651] <... futex resumed>) = 0 [pid 3651] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3650] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3651] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3650] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3651] <... futex resumed>) = 0 [pid 3650] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 3651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3650] <... futex resumed>) = 0 [pid 3650] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3651] <... sendmsg resumed>) = 0 [pid 3651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3650] <... futex resumed>) = 0 [pid 3651] <... sendmsg resumed>) = 0 [pid 3650] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3650] <... mmap resumed>) = 0x7f857e3c2000 [pid 3651] <... sendmsg resumed>) = 0 [pid 3651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3650] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 3651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3651] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3651] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3650] <... mprotect resumed>) = 0 [pid 3650] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3650] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0}./strace-static-x86_64: Process 3652 attached => {parent_tid=[3652]}, 88) = 3652 [pid 3652] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3652] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3652] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3650] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3650] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3652] <... futex resumed>) = 0 [pid 3650] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3652] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3652] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3650] <... futex resumed>) = 0 [pid 3652] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3650] exit_group(0 [pid 3651] <... futex resumed>) = ? [pid 3650] <... exit_group resumed>) = ? [pid 3651] +++ exited with 0 +++ [pid 3652] <... futex resumed>) = ? [pid 3652] +++ exited with 0 +++ [pid 3650] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3650, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3653 ./strace-static-x86_64: Process 3653 attached [pid 3653] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3653] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3653] setpgid(0, 0) = 0 [pid 3653] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3653] write(3, "1000", 4) = 4 [pid 3653] close(3executing program ) = 0 [pid 3653] write(1, "executing program\n", 18) = 18 [pid 3653] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3653] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3653] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3653] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3653] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3653] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3653] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3654 attached => {parent_tid=[3654]}, 88) = 3654 [pid 3653] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3653] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3653] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3654] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3654] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3654] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3654] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3653] <... futex resumed>) = 0 [pid 3653] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3653] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3653] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3653] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3653] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3653] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[3655]}, 88) = 3655 [pid 3654] <... sendmsg resumed>) = 0 [pid 3653] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3653] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3653] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3655 attached [pid 3655] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3655] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3655] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3655] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3653] <... futex resumed>) = 0 [pid 3654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3655] <... futex resumed>) = 1 [pid 3655] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3654] <... sendmsg resumed>) = 0 [pid 3654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3654] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3654] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3653] exit_group(0 [pid 3654] <... futex resumed>) = ? [pid 3653] <... exit_group resumed>) = ? [pid 3654] +++ exited with 0 +++ [pid 3655] <... futex resumed>) = ? [pid 3655] +++ exited with 0 +++ [pid 3653] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3653, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3656 ./strace-static-x86_64: Process 3656 attached [pid 3656] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3656] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3656] setpgid(0, 0) = 0 [pid 3656] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3656] write(3, "1000", 4) = 4 [pid 3656] close(3) = 0 [pid 3656] write(1, "executing program\n", 18executing program ) = 18 [pid 3656] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3656] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3656] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3656] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3656] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3656] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3656] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3657 attached => {parent_tid=[3657]}, 88) = 3657 [pid 3656] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3656] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3656] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3657] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3657] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3657] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3657] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3656] <... futex resumed>) = 0 [pid 3656] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3656] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3656] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3656] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 3657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3656] <... mprotect resumed>) = 0 [pid 3656] rt_sigprocmask(SIG_BLOCK, ~[], [pid 3657] <... sendmsg resumed>) = 0 [pid 3656] <... rt_sigprocmask resumed>[], 8) = 0 [pid 3656] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3656] <... clone3 resumed> => {parent_tid=[3658]}, 88) = 3658 [pid 3656] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3656] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3656] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3658 attached [pid 3658] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3658] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3658] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3658] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3656] <... futex resumed>) = 0 [pid 3657] <... sendmsg resumed>) = 0 [pid 3658] <... futex resumed>) = 1 [pid 3658] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3657] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3657] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3656] exit_group(0) = ? [pid 3657] <... futex resumed>) = ? [pid 3657] +++ exited with 0 +++ [pid 3658] <... futex resumed>) = ? [pid 3658] +++ exited with 0 +++ [pid 3656] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3656, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3659 ./strace-static-x86_64: Process 3659 attached [pid 3659] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3659] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3659] setpgid(0, 0) = 0 [pid 3659] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3659] write(3, "1000", 4) = 4 [pid 3659] close(3executing program ) = 0 [pid 3659] write(1, "executing program\n", 18) = 18 [pid 3659] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3659] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3659] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3659] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3659] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3659] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3659] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3660 attached => {parent_tid=[3660]}, 88) = 3660 [pid 3659] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3659] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3659] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3660] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3660] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3660] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3660] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3659] <... futex resumed>) = 0 [pid 3659] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3659] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3659] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3659] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3659] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3659] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[3661]}, 88) = 3661 [pid 3659] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3659] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3659] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3660] <... futex resumed>) = 1 [pid 3660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3660] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3660] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 3661 attached [pid 3661] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3661] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3661] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3661] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3659] <... futex resumed>) = 0 [pid 3659] exit_group(0 [pid 3660] <... futex resumed>) = ? [pid 3659] <... exit_group resumed>) = ? [pid 3660] +++ exited with 0 +++ [pid 3661] <... futex resumed>) = ? [pid 3661] +++ exited with 0 +++ [pid 3659] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3659, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3662 ./strace-static-x86_64: Process 3662 attached [pid 3662] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3662] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3662] setpgid(0, 0) = 0 [pid 3662] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3662] write(3, "1000", 4) = 4 [pid 3662] close(3) = 0 [pid 3662] write(1, "executing program\n", 18executing program ) = 18 [pid 3662] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3662] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3662] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3662] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3662] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3662] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3662] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3663 attached => {parent_tid=[3663]}, 88) = 3663 [pid 3662] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3662] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3662] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3663] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3663] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3663] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3663] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3662] <... futex resumed>) = 0 [pid 3662] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3662] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3662] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3662] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3662] rt_sigprocmask(SIG_BLOCK, ~[], [pid 3663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3662] <... rt_sigprocmask resumed>[], 8) = 0 [pid 3662] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3663] <... sendmsg resumed>) = 0 [pid 3662] <... clone3 resumed> => {parent_tid=[3664]}, 88) = 3664 [pid 3662] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3662] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3662] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3664 attached [pid 3664] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3664] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3664] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3664] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3662] <... futex resumed>) = 0 [pid 3664] <... futex resumed>) = 1 [pid 3664] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3663] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3662] exit_group(0) = ? [pid 3663] +++ exited with 0 +++ [pid 3664] <... futex resumed>) = ? [pid 3664] +++ exited with 0 +++ [pid 3662] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3662, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3665 ./strace-static-x86_64: Process 3665 attached [pid 3665] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3665] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3665] setpgid(0, 0) = 0 [pid 3665] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3665] write(3, "1000", 4) = 4 executing program [pid 3665] close(3) = 0 [pid 3665] write(1, "executing program\n", 18) = 18 [pid 3665] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3665] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3665] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3665] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3665] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3665] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3665] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3666 attached => {parent_tid=[3666]}, 88) = 3666 [pid 3665] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3665] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3665] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3666] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3666] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3666] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3666] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3665] <... futex resumed>) = 0 [pid 3665] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3665] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3665] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3665] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3665] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3665] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[3667]}, 88) = 3667 [pid 3666] <... sendmsg resumed>) = 0 [pid 3665] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3665] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3665] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3667 attached [pid 3667] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3667] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3667] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3667] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3665] <... futex resumed>) = 0 [pid 3666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3667] <... futex resumed>) = 1 [pid 3666] <... sendmsg resumed>) = 0 [pid 3667] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3666] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3666] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3665] exit_group(0 [pid 3666] <... futex resumed>) = ? [pid 3665] <... exit_group resumed>) = ? [pid 3666] +++ exited with 0 +++ [pid 3667] <... futex resumed>) = ? [pid 3667] +++ exited with 0 +++ [pid 3665] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3665, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3668 ./strace-static-x86_64: Process 3668 attached [pid 3668] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3668] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3668] setpgid(0, 0) = 0 [pid 3668] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3668] write(3, "1000", 4) = 4 executing program [pid 3668] close(3) = 0 [pid 3668] write(1, "executing program\n", 18) = 18 [pid 3668] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3668] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3668] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3668] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3668] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3668] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3668] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3669 attached => {parent_tid=[3669]}, 88) = 3669 [pid 3668] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3668] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3668] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3669] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3669] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3669] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3669] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3669] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3668] <... futex resumed>) = 0 [pid 3668] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 3669] <... futex resumed>) = 0 [pid 3668] <... futex resumed>) = 1 [pid 3669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3668] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3668] <... futex resumed>) = 0 [pid 3669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3668] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3669] <... sendmsg resumed>) = 0 [pid 3669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3668] <... mmap resumed>) = 0x7f857e3c2000 [pid 3669] <... sendmsg resumed>) = 0 [pid 3669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3668] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 3669] <... sendmsg resumed>) = 0 [pid 3669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3668] <... mprotect resumed>) = 0 [pid 3669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3669] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3669] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3668] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3668] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0}./strace-static-x86_64: Process 3670 attached [pid 3670] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3670] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3668] <... clone3 resumed> => {parent_tid=[3670]}, 88) = 3670 [pid 3670] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3668] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3668] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3670] <... futex resumed>) = 0 [pid 3670] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3670] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3670] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3668] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 3668] exit_group(0 [pid 3669] <... futex resumed>) = ? [pid 3668] <... exit_group resumed>) = ? [pid 3669] +++ exited with 0 +++ [pid 3670] <... futex resumed>) = ? [pid 3670] +++ exited with 0 +++ [pid 3668] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3668, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3671 ./strace-static-x86_64: Process 3671 attached [pid 3671] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3671] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3671] setpgid(0, 0) = 0 [pid 3671] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3671] write(3, "1000", 4) = 4 executing program [pid 3671] close(3) = 0 [pid 3671] write(1, "executing program\n", 18) = 18 [pid 3671] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3671] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3671] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3671] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3671] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3671] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3671] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3672 attached => {parent_tid=[3672]}, 88) = 3672 [pid 3671] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3671] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3671] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3672] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3672] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3672] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3672] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3671] <... futex resumed>) = 0 [pid 3671] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3671] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3671] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3671] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3671] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3671] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[3673]}, 88) = 3673 [pid 3672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3671] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3671] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3671] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3673 attached [pid 3673] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3673] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3673] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3673] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3671] <... futex resumed>) = 0 [pid 3673] <... futex resumed>) = 1 [pid 3672] <... sendmsg resumed>) = 0 [pid 3673] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3672] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3671] exit_group(0) = ? [pid 3673] <... futex resumed>) = ? [pid 3673] +++ exited with 0 +++ [pid 3672] +++ exited with 0 +++ [pid 3671] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3671, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3674 ./strace-static-x86_64: Process 3674 attached [pid 3674] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3674] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3674] setpgid(0, 0) = 0 [pid 3674] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3674] write(3, "1000", 4) = 4 [pid 3674] close(3) = 0 [pid 3674] write(1, "executing program\n", 18executing program ) = 18 [pid 3674] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3674] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3674] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3674] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3674] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3674] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3674] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3675 attached => {parent_tid=[3675]}, 88) = 3675 [pid 3675] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3675] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3675] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3674] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3674] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3675] <... futex resumed>) = 0 [pid 3675] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 3674] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3675] <... socketpair resumed>[3, 4]) = 0 [pid 3675] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3675] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3674] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3674] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3675] <... futex resumed>) = 0 [pid 3675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3674] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3675] <... sendmsg resumed>) = 0 [pid 3675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3674] <... futex resumed>) = 0 [pid 3675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3674] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3674] <... mmap resumed>) = 0x7f857e3c2000 [pid 3674] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 3675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3674] <... mprotect resumed>) = 0 [pid 3675] <... sendmsg resumed>) = 0 [pid 3675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3674] rt_sigprocmask(SIG_BLOCK, ~[], [pid 3675] <... sendmsg resumed>) = 0 [pid 3675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3674] <... rt_sigprocmask resumed>[], 8) = 0 [pid 3675] <... sendmsg resumed>) = 0 [pid 3675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3674] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3674] <... clone3 resumed> => {parent_tid=[3676]}, 88) = 3676 [pid 3674] rt_sigprocmask(SIG_SETMASK, [], [pid 3675] <... sendmsg resumed>) = 0 [pid 3674] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3674] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3674] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3675] <... sendmsg resumed>) = 0 [pid 3675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0./strace-static-x86_64: Process 3676 attached ) = 0 [pid 3675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3676] set_robust_list(0x7f857e3e29a0, 24 [pid 3675] <... sendmsg resumed>) = 0 [pid 3676] <... set_robust_list resumed>) = 0 [pid 3675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3675] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3675] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3676] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3676] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3676] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3674] <... futex resumed>) = 0 [pid 3674] exit_group(0) = ? [pid 3676] +++ exited with 0 +++ [pid 3675] <... futex resumed>) = ? [pid 3675] +++ exited with 0 +++ [pid 3674] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3674, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3677 attached , child_tidptr=0x55555bbac690) = 3677 [pid 3677] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3677] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3677] setpgid(0, 0) = 0 [pid 3677] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3677] write(3, "1000", 4) = 4 [pid 3677] close(3) = 0 executing program [pid 3677] write(1, "executing program\n", 18) = 18 [pid 3677] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3677] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3677] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3677] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3677] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3677] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3677] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[3678]}, 88) = 3678 [pid 3677] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3677] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3677] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3678 attached [pid 3678] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3678] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3678] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3678] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3677] <... futex resumed>) = 0 [pid 3678] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3677] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 3678] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3677] <... futex resumed>) = 0 [pid 3678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3677] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3678] <... sendmsg resumed>) = 0 [pid 3677] <... futex resumed>) = 0 [pid 3678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3677] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3678] <... sendmsg resumed>) = 0 [pid 3677] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3677] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3677] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[3679]}, 88) = 3679 [pid 3677] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3677] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3677] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3678] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3678] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 3679 attached [pid 3679] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3679] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3679] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3679] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3677] <... futex resumed>) = 0 [pid 3679] <... futex resumed>) = 1 [pid 3677] exit_group(0 [pid 3678] <... futex resumed>) = ? [pid 3677] <... exit_group resumed>) = ? [pid 3678] +++ exited with 0 +++ [pid 3679] +++ exited with 0 +++ [pid 3677] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3677, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3680 ./strace-static-x86_64: Process 3680 attached [pid 3680] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3680] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3680] setpgid(0, 0) = 0 [pid 3680] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3680] write(3, "1000", 4) = 4 [pid 3680] close(3executing program ) = 0 [pid 3680] write(1, "executing program\n", 18) = 18 [pid 3680] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3680] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3680] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3680] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3680] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3680] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3680] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3681 attached => {parent_tid=[3681]}, 88) = 3681 [pid 3681] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3681] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3681] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3680] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3680] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3681] <... futex resumed>) = 0 [pid 3680] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3681] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3681] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3681] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3680] <... futex resumed>) = 0 [pid 3680] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3681] <... futex resumed>) = 0 [pid 3681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3680] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3681] <... sendmsg resumed>) = 0 [pid 3681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3680] <... futex resumed>) = 0 [pid 3681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3680] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3680] <... mmap resumed>) = 0x7f857e3c2000 [pid 3681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3680] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 3681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3680] <... mprotect resumed>) = 0 [pid 3681] <... sendmsg resumed>) = 0 [pid 3681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3680] rt_sigprocmask(SIG_BLOCK, ~[], [pid 3681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3680] <... rt_sigprocmask resumed>[], 8) = 0 [pid 3681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3680] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3681] <... sendmsg resumed>) = 0 [pid 3681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0./strace-static-x86_64: Process 3682 attached ) = 0 [pid 3681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3680] <... clone3 resumed> => {parent_tid=[3682]}, 88) = 3682 [pid 3682] set_robust_list(0x7f857e3e29a0, 24 [pid 3681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3680] rt_sigprocmask(SIG_SETMASK, [], [pid 3682] <... set_robust_list resumed>) = 0 [pid 3681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3681] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3681] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3680] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3682] rt_sigprocmask(SIG_SETMASK, [], [pid 3680] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3680] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3682] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3682] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3682] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3680] <... futex resumed>) = 0 [pid 3680] exit_group(0) = ? [pid 3681] <... futex resumed>) = ? [pid 3682] +++ exited with 0 +++ [pid 3681] +++ exited with 0 +++ [pid 3680] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3680, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3684 ./strace-static-x86_64: Process 3684 attached [pid 3684] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3684] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3684] setpgid(0, 0) = 0 [pid 3684] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3684] write(3, "1000", 4) = 4 [pid 3684] close(3) = 0 [pid 3684] write(1, "executing program\n", 18executing program ) = 18 [pid 3684] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3684] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3684] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3684] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3684] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3684] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3684] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3685 attached => {parent_tid=[3685]}, 88) = 3685 [pid 3684] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3684] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3684] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3685] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3685] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3685] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3685] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3684] <... futex resumed>) = 0 [pid 3684] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3684] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3684] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3684] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3685] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3684] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3684] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[3686]}, 88) = 3686 [pid 3685] <... sendmsg resumed>) = 0 [pid 3684] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3684] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3685] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3684] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3686 attached [pid 3686] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3686] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3685] <... sendmsg resumed>) = 0 [pid 3686] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 3685] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3686] <... setsockopt resumed>) = 0 [pid 3686] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3684] <... futex resumed>) = 0 [pid 3685] <... sendmsg resumed>) = 0 [pid 3686] <... futex resumed>) = 1 [pid 3686] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3685] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3685] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3685] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3685] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3685] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3685] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3685] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3685] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3685] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3685] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3685] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3685] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3685] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3685] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3685] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3685] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3685] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3685] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3685] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3685] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3685] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3685] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3685] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3685] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3685] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3685] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3685] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3685] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3685] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3685] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3685] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3685] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3684] exit_group(0 [pid 3685] <... futex resumed>) = ? [pid 3684] <... exit_group resumed>) = ? [pid 3685] +++ exited with 0 +++ [pid 3686] <... futex resumed>) = ? [pid 3686] +++ exited with 0 +++ [pid 3684] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3684, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3687 ./strace-static-x86_64: Process 3687 attached [pid 3687] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3687] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3687] setpgid(0, 0) = 0 [pid 3687] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3687] write(3, "1000", 4) = 4 [pid 3687] close(3) = 0 [pid 3687] write(1, "executing program\n", 18executing program ) = 18 [pid 3687] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3687] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3687] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3687] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3687] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3687] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3687] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3688 attached => {parent_tid=[3688]}, 88) = 3688 [pid 3688] set_robust_list(0x7f857e4039a0, 24 [pid 3687] rt_sigprocmask(SIG_SETMASK, [], [pid 3688] <... set_robust_list resumed>) = 0 [pid 3687] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3688] rt_sigprocmask(SIG_SETMASK, [], [pid 3687] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 3688] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3687] <... futex resumed>) = 0 [pid 3688] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 3687] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3688] <... socketpair resumed>[3, 4]) = 0 [pid 3688] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3687] <... futex resumed>) = 0 [pid 3687] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3687] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3687] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3687] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3687] rt_sigprocmask(SIG_BLOCK, ~[], [pid 3688] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3687] <... rt_sigprocmask resumed>[], 8) = 0 [pid 3687] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3688] <... sendmsg resumed>) = 0 [pid 3687] <... clone3 resumed> => {parent_tid=[3689]}, 88) = 3689 [pid 3687] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3687] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3687] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3689 attached [pid 3689] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3689] rt_sigprocmask(SIG_SETMASK, [], [pid 3688] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3689] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3689] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3688] <... sendmsg resumed>) = 0 [pid 3688] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3689] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3688] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 3687] <... futex resumed>) = 0 [pid 3688] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3689] <... futex resumed>) = 1 [pid 3688] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 3689] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3688] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3688] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3688] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3688] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3688] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3688] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3688] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3688] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3688] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3688] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3688] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3688] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3688] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3688] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3688] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3688] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3688] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3688] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3688] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3688] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3688] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3688] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3688] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3688] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3688] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3688] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3688] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3688] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3688] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3688] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3688] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3687] exit_group(0 [pid 3689] <... futex resumed>) = ? [pid 3688] <... futex resumed>) = ? [pid 3687] <... exit_group resumed>) = ? [pid 3689] +++ exited with 0 +++ [pid 3688] +++ exited with 0 +++ [pid 3687] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3687, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3690 ./strace-static-x86_64: Process 3690 attached [pid 3690] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3690] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3690] setpgid(0, 0) = 0 [pid 3690] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3690] write(3, "1000", 4) = 4 [pid 3690] close(3) = 0 executing program [pid 3690] write(1, "executing program\n", 18) = 18 [pid 3690] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3690] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3690] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3690] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3690] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3690] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3690] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3691 attached [pid 3691] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3691] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3691] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3690] <... clone3 resumed> => {parent_tid=[3691]}, 88) = 3691 [pid 3690] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3690] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3691] <... futex resumed>) = 0 [pid 3691] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3690] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3691] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3691] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3690] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3690] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3691] <... futex resumed>) = 0 [pid 3690] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3691] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3690] <... futex resumed>) = 0 [pid 3690] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3691] <... sendmsg resumed>) = 0 [pid 3690] <... mmap resumed>) = 0x7f857e3c2000 [pid 3691] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3690] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 3691] <... sendmsg resumed>) = 0 [pid 3690] <... mprotect resumed>) = 0 [pid 3691] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3690] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3691] <... sendmsg resumed>) = 0 [pid 3690] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3691] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3690] <... clone3 resumed> => {parent_tid=[3692]}, 88) = 3692 [pid 3691] <... sendmsg resumed>) = 0 [pid 3690] rt_sigprocmask(SIG_SETMASK, [], [pid 3691] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3690] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3690] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3691] <... sendmsg resumed>) = 0 [pid 3690] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3691] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3691] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3691] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3691] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3691] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3691] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3691] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3691] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3691] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0./strace-static-x86_64: Process 3692 attached ) = 0 [pid 3691] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3692] set_robust_list(0x7f857e3e29a0, 24 [pid 3691] <... sendmsg resumed>) = 0 [pid 3692] <... set_robust_list resumed>) = 0 [pid 3691] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3692] rt_sigprocmask(SIG_SETMASK, [], [pid 3691] <... sendmsg resumed>) = 0 [pid 3692] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3691] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3692] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 3691] <... sendmsg resumed>) = 0 [pid 3692] <... setsockopt resumed>) = 0 [pid 3691] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3692] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3691] <... sendmsg resumed>) = 0 [pid 3692] <... futex resumed>) = 1 [pid 3691] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3690] <... futex resumed>) = 0 [pid 3692] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3691] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 3691] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3691] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3691] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3691] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3691] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3691] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3691] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3691] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3691] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3691] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3691] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3691] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3691] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3691] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3691] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3691] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3690] exit_group(0 [pid 3692] <... futex resumed>) = ? [pid 3691] <... futex resumed>) = ? [pid 3690] <... exit_group resumed>) = ? [pid 3692] +++ exited with 0 +++ [pid 3691] +++ exited with 0 +++ [pid 3690] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3690, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3693 ./strace-static-x86_64: Process 3693 attached [pid 3693] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3693] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3693] setpgid(0, 0) = 0 [pid 3693] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3693] write(3, "1000", 4executing program ) = 4 [pid 3693] close(3) = 0 [pid 3693] write(1, "executing program\n", 18) = 18 [pid 3693] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3693] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3693] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3693] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3693] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3693] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3693] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3694 attached => {parent_tid=[3694]}, 88) = 3694 [pid 3693] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3693] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3693] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3694] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3694] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3694] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3694] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3693] <... futex resumed>) = 0 [pid 3693] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3693] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3693] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3693] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3693] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3693] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[3695]}, 88) = 3695 [pid 3694] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3693] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3693] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3693] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3695 attached [pid 3695] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3695] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3695] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3695] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3693] <... futex resumed>) = 0 [pid 3695] <... futex resumed>) = 1 [pid 3695] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3694] <... sendmsg resumed>) = 0 [pid 3694] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3694] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3694] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3694] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3694] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3694] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3694] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3694] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3694] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3694] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3694] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3694] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3694] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3694] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3694] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3694] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3694] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3694] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3694] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3694] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3694] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3694] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3694] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3694] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3694] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3694] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3694] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3694] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3694] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3694] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3694] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3694] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3694] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3694] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3693] exit_group(0 [pid 3694] <... futex resumed>) = ? [pid 3693] <... exit_group resumed>) = ? [pid 3694] +++ exited with 0 +++ [pid 3695] <... futex resumed>) = ? [pid 3695] +++ exited with 0 +++ [pid 3693] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3693, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3696 ./strace-static-x86_64: Process 3696 attached [pid 3696] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3696] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3696] setpgid(0, 0) = 0 [pid 3696] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3696] write(3, "1000", 4) = 4 [pid 3696] close(3) = 0 [pid 3696] write(1, "executing program\n", 18executing program ) = 18 [pid 3696] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3696] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3696] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3696] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3696] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3696] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3696] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3697 attached => {parent_tid=[3697]}, 88) = 3697 [pid 3696] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3696] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3696] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3697] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3697] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3697] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3697] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3697] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3696] <... futex resumed>) = 0 [pid 3696] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3697] <... futex resumed>) = 0 [pid 3697] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3697] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3697] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3697] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3697] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3696] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3697] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3697] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3697] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3696] <... futex resumed>) = 0 [pid 3697] <... sendmsg resumed>) = 0 [pid 3697] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3697] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3697] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3696] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3697] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3697] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3697] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3696] <... mmap resumed>) = 0x7f857e3c2000 [pid 3697] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3697] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3697] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3697] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3697] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3696] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 3697] <... sendmsg resumed>) = 0 [pid 3697] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3697] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3696] <... mprotect resumed>) = 0 [pid 3697] <... sendmsg resumed>) = 0 [pid 3697] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3697] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3697] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3696] rt_sigprocmask(SIG_BLOCK, ~[], [pid 3697] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3697] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3697] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3696] <... rt_sigprocmask resumed>[], 8) = 0 [pid 3697] <... sendmsg resumed>) = 0 [pid 3697] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3697] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3697] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3697] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3696] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3697] <... sendmsg resumed>) = 0 [pid 3697] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3697] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3697] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3697] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 3698 attached [pid 3698] set_robust_list(0x7f857e3e29a0, 24 [pid 3696] <... clone3 resumed> => {parent_tid=[3698]}, 88) = 3698 [pid 3698] <... set_robust_list resumed>) = 0 [pid 3696] rt_sigprocmask(SIG_SETMASK, [], [pid 3698] rt_sigprocmask(SIG_SETMASK, [], [pid 3696] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3698] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3696] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 3698] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 3696] <... futex resumed>) = 0 [pid 3698] <... setsockopt resumed>) = 0 [pid 3696] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3698] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3696] <... futex resumed>) = 0 [pid 3696] exit_group(0 [pid 3697] <... futex resumed>) = ? [pid 3696] <... exit_group resumed>) = ? [pid 3697] +++ exited with 0 +++ [pid 3698] +++ exited with 0 +++ [pid 3696] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3696, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3699 ./strace-static-x86_64: Process 3699 attached [pid 3699] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3699] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3699] setpgid(0, 0) = 0 [pid 3699] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3699] write(3, "1000", 4) = 4 [pid 3699] close(3) = 0 executing program [pid 3699] write(1, "executing program\n", 18) = 18 [pid 3699] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3699] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3699] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3699] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3699] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3699] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3699] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3700 attached => {parent_tid=[3700]}, 88) = 3700 [pid 3700] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3700] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3700] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3699] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3699] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 3700] <... futex resumed>) = 0 [pid 3699] <... futex resumed>) = 1 [pid 3700] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3699] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3700] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3700] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3699] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3699] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 3700] <... futex resumed>) = 0 [pid 3699] <... futex resumed>) = 1 [pid 3700] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3700] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3700] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3700] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3700] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3700] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3700] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3700] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3700] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3700] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3700] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3700] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3700] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3700] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3699] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3700] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3699] <... futex resumed>) = 0 [pid 3700] <... sendmsg resumed>) = 0 [pid 3700] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3700] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3700] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3700] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3700] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3700] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3700] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3700] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3700] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3700] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3700] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3700] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3700] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3700] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3700] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3700] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3700] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3700] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3700] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3700] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3699] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3699] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3699] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3699] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0}./strace-static-x86_64: Process 3701 attached [pid 3701] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3701] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3701] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3699] <... clone3 resumed> => {parent_tid=[3701]}, 88) = 3701 [pid 3699] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3699] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3701] <... futex resumed>) = 0 [pid 3701] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3701] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3701] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3699] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 3699] exit_group(0 [pid 3700] <... futex resumed>) = ? [pid 3699] <... exit_group resumed>) = ? [pid 3701] <... futex resumed>) = ? [pid 3700] +++ exited with 0 +++ [pid 3701] +++ exited with 0 +++ [pid 3699] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3699, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3702 ./strace-static-x86_64: Process 3702 attached [pid 3702] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3702] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3702] setpgid(0, 0) = 0 [pid 3702] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3702] write(3, "1000", 4) = 4 [pid 3702] close(3) = 0 [pid 3702] write(1, "executing program\n", 18executing program ) = 18 [pid 3702] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3702] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3702] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3702] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3702] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3702] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3702] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3703 attached => {parent_tid=[3703]}, 88) = 3703 [pid 3703] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3703] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3703] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3702] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3702] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3703] <... futex resumed>) = 0 [pid 3703] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 3702] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3703] <... socketpair resumed>[3, 4]) = 0 [pid 3703] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3702] <... futex resumed>) = 0 [pid 3702] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3702] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3702] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3702] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3702] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3702] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[3704]}, 88) = 3704 [pid 3702] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3702] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3702] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3704 attached [pid 3704] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3704] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3704] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3704] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3702] <... futex resumed>) = 0 [pid 3704] <... futex resumed>) = 1 [pid 3704] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3703] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3703] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3703] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3703] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3703] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3703] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3703] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3703] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3703] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3703] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3703] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3703] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3703] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3703] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3703] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3703] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3703] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3703] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3703] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3703] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3703] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3703] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3703] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3703] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3703] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3703] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3703] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3703] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3703] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3703] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3703] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3703] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3703] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3703] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3703] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3702] exit_group(0 [pid 3703] <... futex resumed>) = ? [pid 3702] <... exit_group resumed>) = ? [pid 3703] +++ exited with 0 +++ [pid 3704] <... futex resumed>) = ? [pid 3704] +++ exited with 0 +++ [pid 3702] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3702, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3705 attached , child_tidptr=0x55555bbac690) = 3705 [pid 3705] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3705] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3705] setpgid(0, 0) = 0 [pid 3705] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3705] write(3, "1000", 4) = 4 [pid 3705] close(3) = 0 executing program [pid 3705] write(1, "executing program\n", 18) = 18 [pid 3705] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3705] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3705] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3705] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3705] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3705] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3705] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[3706]}, 88) = 3706 [pid 3705] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3705] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3705] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3706 attached [pid 3706] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3706] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3706] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3706] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3705] <... futex resumed>) = 0 [pid 3705] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3705] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3705] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3705] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3705] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3705] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0}./strace-static-x86_64: Process 3707 attached [pid 3706] <... futex resumed>) = 1 [pid 3705] <... clone3 resumed> => {parent_tid=[3707]}, 88) = 3707 [pid 3705] rt_sigprocmask(SIG_SETMASK, [], [pid 3706] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3705] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3706] <... sendmsg resumed>) = 0 [pid 3705] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3705] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3707] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3706] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3707] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3707] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3707] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3705] <... futex resumed>) = 0 [pid 3707] <... futex resumed>) = 1 [pid 3706] <... sendmsg resumed>) = 0 [pid 3707] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3706] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3706] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3706] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3706] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3706] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3706] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3706] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3706] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3706] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3706] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3706] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3706] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3706] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3706] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3706] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3706] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3706] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3706] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3706] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3706] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3706] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3706] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3706] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3706] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3706] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3706] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3706] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3706] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3706] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3706] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3706] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3706] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3705] exit_group(0) = ? [pid 3706] <... futex resumed>) = ? [pid 3707] <... futex resumed>) = ? [pid 3706] +++ exited with 0 +++ [pid 3707] +++ exited with 0 +++ [pid 3705] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3705, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3708 ./strace-static-x86_64: Process 3708 attached [pid 3708] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3708] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3708] setpgid(0, 0) = 0 [pid 3708] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3708] write(3, "1000", 4) = 4 [pid 3708] close(3) = 0 executing program [pid 3708] write(1, "executing program\n", 18) = 18 [pid 3708] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3708] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3708] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3708] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3708] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3708] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3708] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3709 attached => {parent_tid=[3709]}, 88) = 3709 [pid 3708] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3708] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3708] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3709] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3709] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3709] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3709] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3708] <... futex resumed>) = 0 [pid 3708] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3708] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3708] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3708] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3708] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3708] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0}./strace-static-x86_64: Process 3710 attached => {parent_tid=[3710]}, 88) = 3710 [pid 3709] <... futex resumed>) = 1 [pid 3709] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3709] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3709] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3709] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3709] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3708] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3708] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 3709] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3708] <... futex resumed>) = 0 [pid 3709] <... sendmsg resumed>) = 0 [pid 3708] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3709] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3709] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3709] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3709] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3710] set_robust_list(0x7f857e3e29a0, 24 [pid 3709] <... sendmsg resumed>) = 0 [pid 3709] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3709] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3709] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3709] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3709] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3709] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3709] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3709] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3709] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3709] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3709] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3709] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3709] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3709] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3709] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3709] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3709] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3709] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3709] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3709] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3709] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3709] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3709] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3709] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3709] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3710] <... set_robust_list resumed>) = 0 [pid 3710] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3710] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3710] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3708] <... futex resumed>) = 0 [pid 3710] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3708] exit_group(0 [pid 3710] <... futex resumed>) = ? [pid 3709] <... futex resumed>) = ? [pid 3708] <... exit_group resumed>) = ? [pid 3710] +++ exited with 0 +++ [pid 3709] +++ exited with 0 +++ [pid 3708] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3708, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3711 ./strace-static-x86_64: Process 3711 attached [pid 3711] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3711] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3711] setpgid(0, 0) = 0 [pid 3711] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3711] write(3, "1000", 4) = 4 [pid 3711] close(3) = 0 executing program [pid 3711] write(1, "executing program\n", 18) = 18 [pid 3711] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3711] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3711] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3711] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3711] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3711] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3711] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3712 attached => {parent_tid=[3712]}, 88) = 3712 [pid 3712] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3712] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3712] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3711] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3711] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3712] <... futex resumed>) = 0 [pid 3711] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3712] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3712] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3712] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3711] <... futex resumed>) = 0 [pid 3711] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3711] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3711] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3711] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3711] rt_sigprocmask(SIG_BLOCK, ~[], [pid 3712] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3711] <... rt_sigprocmask resumed>[], 8) = 0 [pid 3711] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[3713]}, 88) = 3713 [pid 3711] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3711] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3711] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3713 attached [pid 3713] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3713] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3713] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3713] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3711] <... futex resumed>) = 0 [pid 3713] <... futex resumed>) = 1 [pid 3713] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3712] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3712] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3712] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3712] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3712] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3712] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3712] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3712] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3712] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3712] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3712] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3712] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3712] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3712] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3712] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3712] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3712] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3712] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3712] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3712] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3712] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3712] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3712] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3712] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3712] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3712] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3712] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3712] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3712] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3712] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3712] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3712] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3712] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3712] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3712] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3711] exit_group(0 [pid 3712] <... futex resumed>) = ? [pid 3711] <... exit_group resumed>) = ? [pid 3713] <... futex resumed>) = ? [pid 3712] +++ exited with 0 +++ [pid 3713] +++ exited with 0 +++ [pid 3711] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3711, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3714 attached , child_tidptr=0x55555bbac690) = 3714 [pid 3714] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3714] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3714] setpgid(0, 0) = 0 [pid 3714] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3714] write(3, "1000", 4) = 4 [pid 3714] close(3) = 0 [pid 3714] write(1, "executing program\n", 18executing program ) = 18 [pid 3714] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3714] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3714] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3714] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3714] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3714] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3714] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3715 attached => {parent_tid=[3715]}, 88) = 3715 [pid 3715] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3715] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3715] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3714] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3714] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3715] <... futex resumed>) = 0 [pid 3715] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 3714] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3715] <... socketpair resumed>[3, 4]) = 0 [pid 3715] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3714] <... futex resumed>) = 0 [pid 3715] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3714] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3714] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3714] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3714] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3714] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3714] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3715] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3714] <... clone3 resumed> => {parent_tid=[3716]}, 88) = 3716 [pid 3715] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0./strace-static-x86_64: Process 3716 attached [pid 3716] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3716] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3714] rt_sigprocmask(SIG_SETMASK, [], [pid 3716] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3714] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3715] <... sendmsg resumed>) = 0 [pid 3714] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3716] <... futex resumed>) = 0 [pid 3716] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3714] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3715] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3716] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3716] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3714] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3715] <... sendmsg resumed>) = 0 [pid 3715] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3715] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3715] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3715] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3715] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3715] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3715] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3715] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3715] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3715] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3715] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3715] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3715] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3715] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3715] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3715] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3715] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3715] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3715] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3715] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3715] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3715] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3715] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3715] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3715] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3715] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3715] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3715] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3715] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3715] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3715] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3715] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3715] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3714] exit_group(0 [pid 3715] <... futex resumed>) = ? [pid 3714] <... exit_group resumed>) = ? [pid 3715] +++ exited with 0 +++ [pid 3716] <... futex resumed>) = ? [pid 3716] +++ exited with 0 +++ [pid 3714] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3714, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3717 attached , child_tidptr=0x55555bbac690) = 3717 [pid 3717] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3717] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3717] setpgid(0, 0) = 0 [pid 3717] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3717] write(3, "1000", 4) = 4 [pid 3717] close(3) = 0 [pid 3717] write(1, "executing program\n", 18executing program ) = 18 [pid 3717] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3717] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3717] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3717] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3717] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3717] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3717] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3718 attached => {parent_tid=[3718]}, 88) = 3718 [pid 3718] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3718] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3718] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3717] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3717] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3718] <... futex resumed>) = 0 [pid 3718] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 3717] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3718] <... socketpair resumed>[3, 4]) = 0 [pid 3718] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3718] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3717] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3717] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3718] <... futex resumed>) = 0 [pid 3718] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3718] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3718] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3718] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3718] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3718] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3718] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3718] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3718] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3718] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3718] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3718] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3718] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3717] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3718] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3717] <... futex resumed>) = 0 [pid 3718] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3717] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3718] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3718] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3718] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3718] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3718] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3718] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3718] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3718] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3718] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3718] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3718] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3717] <... mmap resumed>) = 0x7f857e3c2000 [pid 3718] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3717] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 3718] <... sendmsg resumed>) = 0 [pid 3718] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3718] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3718] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3718] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3717] <... mprotect resumed>) = 0 [pid 3718] <... sendmsg resumed>) = 0 [pid 3718] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3718] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3718] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3718] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3717] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3717] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0}./strace-static-x86_64: Process 3719 attached [pid 3719] set_robust_list(0x7f857e3e29a0, 24 [pid 3717] <... clone3 resumed> => {parent_tid=[3719]}, 88) = 3719 [pid 3719] <... set_robust_list resumed>) = 0 [pid 3719] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3719] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3717] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3717] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3719] <... futex resumed>) = 0 [pid 3717] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3719] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3719] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3719] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3717] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3717] exit_group(0 [pid 3718] <... futex resumed>) = ? [pid 3717] <... exit_group resumed>) = ? [pid 3718] +++ exited with 0 +++ [pid 3719] <... futex resumed>) = ? [pid 3719] +++ exited with 0 +++ [pid 3717] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3717, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3720 ./strace-static-x86_64: Process 3720 attached [pid 3720] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3720] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3720] setpgid(0, 0) = 0 [pid 3720] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3720] write(3, "1000", 4) = 4 [pid 3720] close(3) = 0 executing program [pid 3720] write(1, "executing program\n", 18) = 18 [pid 3720] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3720] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3720] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3720] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3720] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3720] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3720] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[3721]}, 88) = 3721 [pid 3720] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3720] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3720] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3721 attached [pid 3721] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3721] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3721] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3721] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3720] <... futex resumed>) = 0 [pid 3721] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3720] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3721] <... sendmsg resumed>) = 0 [pid 3720] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3721] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3720] <... futex resumed>) = 0 [pid 3721] <... sendmsg resumed>) = 0 [pid 3720] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3721] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3720] <... mmap resumed>) = 0x7f857e3c2000 [pid 3721] <... sendmsg resumed>) = 0 [pid 3721] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3720] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 3721] <... sendmsg resumed>) = 0 [pid 3720] <... mprotect resumed>) = 0 [pid 3721] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3720] rt_sigprocmask(SIG_BLOCK, ~[], [pid 3721] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3720] <... rt_sigprocmask resumed>[], 8) = 0 [pid 3721] <... sendmsg resumed>) = 0 [pid 3720] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3721] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0./strace-static-x86_64: Process 3722 attached ) = 0 [pid 3720] <... clone3 resumed> => {parent_tid=[3722]}, 88) = 3722 [pid 3722] set_robust_list(0x7f857e3e29a0, 24 [pid 3721] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3722] <... set_robust_list resumed>) = 0 [pid 3720] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3720] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 3721] <... sendmsg resumed>) = 0 [pid 3720] <... futex resumed>) = 0 [pid 3721] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3720] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3721] <... sendmsg resumed>) = 0 [pid 3721] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3722] rt_sigprocmask(SIG_SETMASK, [], [pid 3721] <... sendmsg resumed>) = 0 [pid 3722] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3721] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3722] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 3721] <... sendmsg resumed>) = 0 [pid 3722] <... setsockopt resumed>) = 0 [pid 3721] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3722] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3721] <... sendmsg resumed>) = 0 [pid 3721] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3720] <... futex resumed>) = 0 [pid 3721] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3721] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3722] <... futex resumed>) = 1 [pid 3721] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3722] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3721] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 3721] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3721] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3721] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3721] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3721] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3721] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3721] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3721] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3721] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3721] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3721] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3721] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3721] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3721] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3721] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3721] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3721] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3721] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3721] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3720] exit_group(0 [pid 3721] <... futex resumed>) = ? [pid 3720] <... exit_group resumed>) = ? [pid 3722] <... futex resumed>) = ? [pid 3721] +++ exited with 0 +++ [pid 3722] +++ exited with 0 +++ [pid 3720] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3720, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3723 ./strace-static-x86_64: Process 3723 attached [pid 3723] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3723] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3723] setpgid(0, 0) = 0 [pid 3723] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3723] write(3, "1000", 4) = 4 executing program [pid 3723] close(3) = 0 [pid 3723] write(1, "executing program\n", 18) = 18 [pid 3723] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3723] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3723] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3723] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3723] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3723] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3723] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3724 attached => {parent_tid=[3724]}, 88) = 3724 [pid 3723] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3723] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3723] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3724] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3724] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3724] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3724] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3724] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3723] <... futex resumed>) = 0 [pid 3723] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3724] <... futex resumed>) = 0 [pid 3724] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3723] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3724] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3724] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3724] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3724] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3723] <... futex resumed>) = 0 [pid 3724] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3724] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3724] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3723] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3724] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3724] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3724] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3724] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3723] <... mmap resumed>) = 0x7f857e3c2000 [pid 3724] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3724] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3724] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3724] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3724] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3724] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3723] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 3724] <... sendmsg resumed>) = 0 [pid 3724] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3724] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3724] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3724] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3724] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3724] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3724] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3724] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3724] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3723] <... mprotect resumed>) = 0 [pid 3724] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3724] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3724] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3724] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3723] rt_sigprocmask(SIG_BLOCK, ~[], [pid 3724] <... sendmsg resumed>) = 0 [pid 3724] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3724] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3724] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3723] <... rt_sigprocmask resumed>[], 8) = 0 [pid 3724] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3723] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0}./strace-static-x86_64: Process 3725 attached [pid 3725] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3725] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3725] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3723] <... clone3 resumed> => {parent_tid=[3725]}, 88) = 3725 [pid 3723] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3723] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3725] <... futex resumed>) = 0 [pid 3723] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3725] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3725] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3723] <... futex resumed>) = 0 [pid 3725] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3723] exit_group(0 [pid 3724] <... futex resumed>) = ? [pid 3723] <... exit_group resumed>) = ? [pid 3724] +++ exited with 0 +++ [pid 3725] <... futex resumed>) = ? [pid 3725] +++ exited with 0 +++ [pid 3723] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3723, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3726 ./strace-static-x86_64: Process 3726 attached [pid 3726] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3726] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3726] setpgid(0, 0) = 0 [pid 3726] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3726] write(3, "1000", 4) = 4 [pid 3726] close(3) = 0 executing program [pid 3726] write(1, "executing program\n", 18) = 18 [pid 3726] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3726] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3726] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3726] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3726] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3726] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3726] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[3727]}, 88) = 3727 [pid 3726] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3726] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3726] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3727 attached [pid 3727] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3727] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3727] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3727] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3726] <... futex resumed>) = 0 [pid 3726] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3726] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3726] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3726] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3726] rt_sigprocmask(SIG_BLOCK, ~[], [pid 3727] <... futex resumed>) = 1 [pid 3726] <... rt_sigprocmask resumed>[], 8) = 0 [pid 3726] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0}./strace-static-x86_64: Process 3728 attached => {parent_tid=[3728]}, 88) = 3728 [pid 3726] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3726] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3726] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3727] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3727] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3727] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3727] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3727] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3727] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3727] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3727] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3727] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3727] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3727] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3727] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3727] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3727] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3727] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3727] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3727] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3727] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3727] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3727] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3727] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3727] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3727] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3727] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3727] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3727] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3727] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3727] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3727] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3727] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3727] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3727] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3727] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3727] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3727] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3728] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3728] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3728] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3728] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3726] <... futex resumed>) = 0 [pid 3726] exit_group(0) = ? [pid 3727] <... futex resumed>) = ? [pid 3727] +++ exited with 0 +++ [pid 3728] <... futex resumed>) = ? [pid 3728] +++ exited with 0 +++ [pid 3726] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3726, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3729 ./strace-static-x86_64: Process 3729 attached [pid 3729] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3729] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3729] setpgid(0, 0) = 0 [pid 3729] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3729] write(3, "1000", 4) = 4 [pid 3729] close(3) = 0 [pid 3729] write(1, "executing program\n", 18executing program ) = 18 [pid 3729] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3729] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3729] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3729] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3729] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3729] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3729] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3730 attached => {parent_tid=[3730]}, 88) = 3730 [pid 3730] set_robust_list(0x7f857e4039a0, 24 [pid 3729] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3729] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3729] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3730] <... set_robust_list resumed>) = 0 [pid 3730] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3730] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3730] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3729] <... futex resumed>) = 0 [pid 3729] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3729] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3729] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3729] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3729] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3729] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3730] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3730] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3729] <... clone3 resumed> => {parent_tid=[3731]}, 88) = 3731 [pid 3730] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3729] rt_sigprocmask(SIG_SETMASK, [], [pid 3730] <... sendmsg resumed>) = 0 [pid 3729] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3729] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 3730] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3729] <... futex resumed>) = 0 [pid 3730] <... sendmsg resumed>) = 0 [pid 3729] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3730] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3730] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3730] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3730] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3730] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3730] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3730] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3730] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3730] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3730] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3730] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3730] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3730] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3730] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3730] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3730] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3730] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3730] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3730] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3730] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3730] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3730] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3730] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3730] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3730] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3730] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3730] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3730] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3730] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3730] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3730] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 3731 attached [pid 3731] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3731] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3731] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3731] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3729] <... futex resumed>) = 0 [pid 3729] exit_group(0 [pid 3730] <... futex resumed>) = ? [pid 3729] <... exit_group resumed>) = ? [pid 3730] +++ exited with 0 +++ [pid 3731] <... futex resumed>) = ? [pid 3731] +++ exited with 0 +++ [pid 3729] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3729, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3732 ./strace-static-x86_64: Process 3732 attached [pid 3732] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3732] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3732] setpgid(0, 0) = 0 [pid 3732] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3732] write(3, "1000", 4) = 4 [pid 3732] close(3executing program ) = 0 [pid 3732] write(1, "executing program\n", 18) = 18 [pid 3732] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3732] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3732] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3732] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3732] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3732] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3732] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3733 attached => {parent_tid=[3733]}, 88) = 3733 [pid 3732] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3732] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3732] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3733] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3733] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3733] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3733] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3732] <... futex resumed>) = 0 [pid 3732] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3732] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3732] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3732] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3732] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3732] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0}./strace-static-x86_64: Process 3734 attached [pid 3733] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3732] <... clone3 resumed> => {parent_tid=[3734]}, 88) = 3734 [pid 3732] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3732] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3732] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3734] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3734] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3734] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3734] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3732] <... futex resumed>) = 0 [pid 3734] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3733] <... sendmsg resumed>) = 0 [pid 3733] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3733] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3733] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3733] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3733] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3733] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3733] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3733] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3733] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3733] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3733] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3733] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3733] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3733] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3733] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3733] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3733] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3733] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3733] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3733] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3733] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3733] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3733] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3733] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3733] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3733] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3733] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3733] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3733] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3733] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3733] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3733] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3733] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3733] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3732] exit_group(0 [pid 3733] <... futex resumed>) = ? [pid 3732] <... exit_group resumed>) = ? [pid 3734] <... futex resumed>) = ? [pid 3733] +++ exited with 0 +++ [pid 3734] +++ exited with 0 +++ [pid 3732] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3732, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3735 ./strace-static-x86_64: Process 3735 attached [pid 3735] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3735] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3735] setpgid(0, 0) = 0 [pid 3735] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3735] write(3, "1000", 4) = 4 [pid 3735] close(3) = 0 [pid 3735] write(1, "executing program\n", 18executing program ) = 18 [pid 3735] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3735] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3735] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3735] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3735] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3735] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3735] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3736 attached => {parent_tid=[3736]}, 88) = 3736 [pid 3736] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3736] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3736] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3735] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3735] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3736] <... futex resumed>) = 0 [pid 3736] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 3735] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3736] <... socketpair resumed>[3, 4]) = 0 [pid 3736] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3735] <... futex resumed>) = 0 [pid 3735] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3735] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3735] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3735] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3735] rt_sigprocmask(SIG_BLOCK, ~[], [pid 3736] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3735] <... rt_sigprocmask resumed>[], 8) = 0 [pid 3735] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3736] <... sendmsg resumed>) = 0 [pid 3735] <... clone3 resumed> => {parent_tid=[3737]}, 88) = 3737 [pid 3736] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3735] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3735] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3735] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3737 attached [pid 3737] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3737] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3737] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3737] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3735] <... futex resumed>) = 0 [pid 3736] <... sendmsg resumed>) = 0 [pid 3737] <... futex resumed>) = 1 [pid 3737] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3736] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3736] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3736] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3736] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3736] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3736] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3736] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3736] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3736] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3736] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3736] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3736] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3736] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3736] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3736] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3736] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3736] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3736] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3736] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3736] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3736] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3736] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3736] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3736] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3736] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3736] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3736] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3736] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3736] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3736] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3736] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3736] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3735] exit_group(0 [pid 3737] <... futex resumed>) = ? [pid 3735] <... exit_group resumed>) = ? [pid 3737] +++ exited with 0 +++ [pid 3736] <... futex resumed>) = ? [pid 3736] +++ exited with 0 +++ [pid 3735] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3735, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3738 ./strace-static-x86_64: Process 3738 attached [pid 3738] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3738] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3738] setpgid(0, 0) = 0 [pid 3738] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3738] write(3, "1000", 4) = 4 [pid 3738] close(3) = 0 executing program [pid 3738] write(1, "executing program\n", 18) = 18 [pid 3738] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3738] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3738] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3738] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3738] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3738] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3738] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[3739]}, 88) = 3739 ./strace-static-x86_64: Process 3739 attached [pid 3738] rt_sigprocmask(SIG_SETMASK, [], [pid 3739] set_robust_list(0x7f857e4039a0, 24 [pid 3738] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3739] <... set_robust_list resumed>) = 0 [pid 3738] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 3739] rt_sigprocmask(SIG_SETMASK, [], [pid 3738] <... futex resumed>) = 0 [pid 3739] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3739] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 3738] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3739] <... socketpair resumed>[3, 4]) = 0 [pid 3739] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3738] <... futex resumed>) = 0 [pid 3739] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3738] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 3739] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3738] <... futex resumed>) = 0 [pid 3739] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3738] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3739] <... sendmsg resumed>) = 0 [pid 3739] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3739] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3739] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3738] <... futex resumed>) = 0 [pid 3738] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3738] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3738] rt_sigprocmask(SIG_BLOCK, ~[], [pid 3739] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3738] <... rt_sigprocmask resumed>[], 8) = 0 [pid 3738] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[3740]}, 88) = 3740 [pid 3738] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3738] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3738] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3740 attached [pid 3740] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3740] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3740] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3740] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3738] <... futex resumed>) = 0 [pid 3740] <... futex resumed>) = 1 [pid 3740] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3739] <... sendmsg resumed>) = 0 [pid 3739] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3739] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3739] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3739] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3739] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3739] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3739] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3739] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3739] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3739] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3739] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3739] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3739] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3739] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3739] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3739] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3739] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3739] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3739] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3739] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3739] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3739] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3739] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3739] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3739] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3739] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3739] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3739] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3739] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3739] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3738] exit_group(0) = ? [pid 3740] <... futex resumed>) = ? [pid 3739] <... futex resumed>) = ? [pid 3740] +++ exited with 0 +++ [pid 3739] +++ exited with 0 +++ [pid 3738] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3738, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3741 ./strace-static-x86_64: Process 3741 attached [pid 3741] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3741] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3741] setpgid(0, 0) = 0 [pid 3741] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3741] write(3, "1000", 4) = 4 [pid 3741] close(3) = 0 [pid 3741] write(1, "executing program\n", 18executing program ) = 18 [pid 3741] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3741] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3741] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3741] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3741] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3741] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3741] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3742 attached => {parent_tid=[3742]}, 88) = 3742 [pid 3742] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3742] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3742] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3741] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3741] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3742] <... futex resumed>) = 0 [pid 3742] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3742] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3742] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3741] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 3741] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3742] <... futex resumed>) = 0 [pid 3742] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3742] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3742] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3742] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3742] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3742] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3742] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3742] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3742] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3742] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3742] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3742] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3742] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3742] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3742] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3741] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3742] <... sendmsg resumed>) = 0 [pid 3742] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3742] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3742] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3742] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3742] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3742] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3742] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3742] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3742] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3742] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3742] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3742] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3742] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3742] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3742] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3742] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3741] <... futex resumed>) = 0 [pid 3742] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3742] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3742] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3742] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3741] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3741] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3741] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3741] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0}./strace-static-x86_64: Process 3743 attached [pid 3743] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3743] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3743] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3741] <... clone3 resumed> => {parent_tid=[3743]}, 88) = 3743 [pid 3741] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3741] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3743] <... futex resumed>) = 0 [pid 3743] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3743] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3743] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3741] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 3741] exit_group(0) = ? [pid 3742] <... futex resumed>) = ? [pid 3742] +++ exited with 0 +++ [pid 3743] <... futex resumed>) = ? [pid 3743] +++ exited with 0 +++ [pid 3741] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3741, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3744 ./strace-static-x86_64: Process 3744 attached [pid 3744] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3744] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3744] setpgid(0, 0) = 0 [pid 3744] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3744] write(3, "1000", 4) = 4 [pid 3744] close(3executing program ) = 0 [pid 3744] write(1, "executing program\n", 18) = 18 [pid 3744] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3744] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3744] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3744] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3744] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3744] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3744] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[3745]}, 88) = 3745 [pid 3744] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3744] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3744] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3745 attached [pid 3745] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3745] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3745] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3745] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3744] <... futex resumed>) = 0 [pid 3744] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3744] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3744] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3744] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3744] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3744] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0}./strace-static-x86_64: Process 3746 attached [pid 3745] <... futex resumed>) = 1 [pid 3744] <... clone3 resumed> => {parent_tid=[3746]}, 88) = 3746 [pid 3745] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3744] rt_sigprocmask(SIG_SETMASK, [], [pid 3745] <... sendmsg resumed>) = 0 [pid 3744] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3745] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3744] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 3745] <... sendmsg resumed>) = 0 [pid 3744] <... futex resumed>) = 0 [pid 3745] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3744] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3745] <... sendmsg resumed>) = 0 [pid 3746] set_robust_list(0x7f857e3e29a0, 24 [pid 3745] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3746] <... set_robust_list resumed>) = 0 [pid 3745] <... sendmsg resumed>) = 0 [pid 3746] rt_sigprocmask(SIG_SETMASK, [], [pid 3745] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3746] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3745] <... sendmsg resumed>) = 0 [pid 3746] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 3745] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3746] <... setsockopt resumed>) = 0 [pid 3745] <... sendmsg resumed>) = 0 [pid 3746] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3745] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3745] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3744] <... futex resumed>) = 0 [pid 3745] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 3746] <... futex resumed>) = 1 [pid 3745] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3746] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3745] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 3745] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3745] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3745] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3745] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3745] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3745] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3745] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3745] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3745] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3745] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3745] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3745] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3745] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3745] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3745] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3745] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3745] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3745] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3745] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3745] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3745] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3745] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3745] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3745] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3745] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3745] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3744] exit_group(0 [pid 3745] <... futex resumed>) = ? [pid 3744] <... exit_group resumed>) = ? [pid 3745] +++ exited with 0 +++ [pid 3746] <... futex resumed>) = ? [pid 3746] +++ exited with 0 +++ [pid 3744] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3744, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3747 ./strace-static-x86_64: Process 3747 attached [pid 3747] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3747] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3747] setpgid(0, 0) = 0 [pid 3747] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3747] write(3, "1000", 4) = 4 executing program [pid 3747] close(3) = 0 [pid 3747] write(1, "executing program\n", 18) = 18 [pid 3747] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3747] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3747] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3747] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3747] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3747] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3747] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[3748]}, 88) = 3748 [pid 3747] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3747] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3747] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3748 attached [pid 3748] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3748] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3748] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3748] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3747] <... futex resumed>) = 0 [pid 3747] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3747] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3747] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3747] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3747] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3747] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3748] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0./strace-static-x86_64: Process 3749 attached [pid 3747] <... clone3 resumed> => {parent_tid=[3749]}, 88) = 3749 [pid 3747] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3747] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3747] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3749] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3749] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3749] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3749] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3747] <... futex resumed>) = 0 [pid 3749] <... futex resumed>) = 1 [pid 3749] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3748] <... sendmsg resumed>) = 0 [pid 3748] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3748] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3748] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3748] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3748] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3748] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3748] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3748] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3748] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3748] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3748] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3748] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3748] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3748] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3748] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3748] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3748] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3748] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3748] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3748] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3748] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3748] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3748] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3748] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3748] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3748] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3748] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3748] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3748] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3748] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3748] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3748] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3748] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3748] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3747] exit_group(0) = ? [pid 3749] <... futex resumed>) = ? [pid 3748] <... futex resumed>) = ? [pid 3749] +++ exited with 0 +++ [pid 3748] +++ exited with 0 +++ [pid 3747] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3747, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3750 ./strace-static-x86_64: Process 3750 attached [pid 3750] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3750] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3750] setpgid(0, 0) = 0 [pid 3750] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3750] write(3, "1000", 4) = 4 [pid 3750] close(3) = 0 [pid 3750] write(1, "executing program\n", 18executing program ) = 18 [pid 3750] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3750] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3750] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3750] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3750] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3750] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3750] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3751 attached => {parent_tid=[3751]}, 88) = 3751 [pid 3750] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3750] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3750] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3751] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3751] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3751] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3751] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3750] <... futex resumed>) = 0 [pid 3750] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3750] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3750] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3750] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3751] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3750] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3750] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[3752]}, 88) = 3752 [pid 3751] <... sendmsg resumed>) = 0 ./strace-static-x86_64: Process 3752 attached [pid 3752] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3752] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3752] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3751] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3750] rt_sigprocmask(SIG_SETMASK, [], [pid 3751] <... sendmsg resumed>) = 0 [pid 3750] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3750] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 3751] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3750] <... futex resumed>) = 1 [pid 3752] <... futex resumed>) = 0 [pid 3752] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3752] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3752] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3751] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3750] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 3751] <... sendmsg resumed>) = 0 [pid 3751] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3751] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3751] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3751] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3751] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3751] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3751] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3751] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3751] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3751] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3751] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3751] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3751] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3751] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3751] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3751] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3751] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3751] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3751] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3751] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3751] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3751] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3751] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3751] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3751] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3751] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3751] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3751] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3751] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3751] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3751] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3750] exit_group(0 [pid 3751] <... futex resumed>) = ? [pid 3751] +++ exited with 0 +++ [pid 3750] <... exit_group resumed>) = ? [pid 3752] <... futex resumed>) = ? [pid 3752] +++ exited with 0 +++ [pid 3750] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3750, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3753 ./strace-static-x86_64: Process 3753 attached [pid 3753] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3753] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3753] setpgid(0, 0) = 0 [pid 3753] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3753] write(3, "1000", 4) = 4 executing program [pid 3753] close(3) = 0 [pid 3753] write(1, "executing program\n", 18) = 18 [pid 3753] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3753] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3753] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3753] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3753] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3753] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3753] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[3754]}, 88) = 3754 [pid 3753] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3753] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3753] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3754 attached [pid 3754] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3754] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3754] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3754] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3753] <... futex resumed>) = 0 [pid 3753] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3753] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3753] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3753] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3753] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3753] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3754] <... futex resumed>) = 1 [pid 3753] <... clone3 resumed> => {parent_tid=[3755]}, 88) = 3755 [pid 3754] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3753] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 3755 attached [pid 3754] <... sendmsg resumed>) = 0 [pid 3754] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3753] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 3755] set_robust_list(0x7f857e3e29a0, 24 [pid 3754] <... sendmsg resumed>) = 0 [pid 3754] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3753] <... futex resumed>) = 0 [pid 3755] <... set_robust_list resumed>) = 0 [pid 3754] <... sendmsg resumed>) = 0 [pid 3755] rt_sigprocmask(SIG_SETMASK, [], [pid 3754] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3753] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3755] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3754] <... sendmsg resumed>) = 0 [pid 3755] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 3754] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3755] <... setsockopt resumed>) = 0 [pid 3754] <... sendmsg resumed>) = 0 [pid 3755] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3754] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3755] <... futex resumed>) = 1 [pid 3754] <... sendmsg resumed>) = 0 [pid 3753] <... futex resumed>) = 0 [pid 3754] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3755] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3754] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 3754] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3754] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3754] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3754] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3754] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3754] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3754] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3754] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3754] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3754] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3754] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3754] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3754] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3754] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3754] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3754] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3754] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3754] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3754] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3754] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3754] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3754] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3754] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3754] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3754] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3754] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3754] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3754] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3753] exit_group(0 [pid 3755] <... futex resumed>) = ? [pid 3754] <... futex resumed>) = ? [pid 3753] <... exit_group resumed>) = ? [pid 3755] +++ exited with 0 +++ [pid 3754] +++ exited with 0 +++ [pid 3753] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3753, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3756 ./strace-static-x86_64: Process 3756 attached [pid 3756] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3756] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3756] setpgid(0, 0) = 0 [pid 3756] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3756] write(3, "1000", 4) = 4 [pid 3756] close(3) = 0 executing program [pid 3756] write(1, "executing program\n", 18) = 18 [pid 3756] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3756] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3756] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3756] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3756] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3756] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3756] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3757 attached => {parent_tid=[3757]}, 88) = 3757 [pid 3756] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3756] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3756] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3757] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3757] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3757] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3757] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3756] <... futex resumed>) = 0 [pid 3756] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3756] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3756] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3756] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3756] rt_sigprocmask(SIG_BLOCK, ~[], [pid 3757] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3756] <... rt_sigprocmask resumed>[], 8) = 0 [pid 3756] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3757] <... sendmsg resumed>) = 0 [pid 3757] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3756] <... clone3 resumed> => {parent_tid=[3758]}, 88) = 3758 [pid 3756] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3756] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3756] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3758 attached [pid 3758] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3758] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3758] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3758] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3756] <... futex resumed>) = 0 [pid 3758] <... futex resumed>) = 1 [pid 3758] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3757] <... sendmsg resumed>) = 0 [pid 3757] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3757] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3757] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3757] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3757] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3757] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3757] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3757] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3757] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3757] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3757] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3757] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3757] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3757] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3757] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3757] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3757] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3757] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3757] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3757] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3757] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3757] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3757] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3757] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3757] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3757] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3757] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3757] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3757] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3757] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3757] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3757] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3757] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3756] exit_group(0 [pid 3758] <... futex resumed>) = ? [pid 3757] <... futex resumed>) = ? [pid 3756] <... exit_group resumed>) = ? [pid 3757] +++ exited with 0 +++ [pid 3758] +++ exited with 0 +++ [pid 3756] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3756, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3759 ./strace-static-x86_64: Process 3759 attached [pid 3759] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3759] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3759] setpgid(0, 0) = 0 [pid 3759] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3759] write(3, "1000", 4) = 4 [pid 3759] close(3) = 0 [pid 3759] write(1, "executing program\n", 18executing program ) = 18 [pid 3759] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3759] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3759] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3759] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3759] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3759] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3759] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[3760]}, 88) = 3760 [pid 3759] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3759] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3759] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3760 attached [pid 3760] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3760] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3760] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3760] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3759] <... futex resumed>) = 0 [pid 3759] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3759] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3759] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3759] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3759] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3759] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0}./strace-static-x86_64: Process 3761 attached => {parent_tid=[3761]}, 88) = 3761 [pid 3759] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3759] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3759] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3760] <... futex resumed>) = 1 [pid 3760] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3760] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3760] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3760] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3760] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3760] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3760] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3760] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3760] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3760] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3760] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3760] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3760] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3760] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3760] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3761] set_robust_list(0x7f857e3e29a0, 24 [pid 3760] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3760] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3760] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3760] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3760] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3760] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3760] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3760] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3760] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3760] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3760] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3760] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3760] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3760] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3760] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3760] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3760] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3760] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3760] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3760] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3761] <... set_robust_list resumed>) = 0 [pid 3761] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3761] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3761] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3759] <... futex resumed>) = 0 [pid 3759] exit_group(0) = ? [pid 3760] <... futex resumed>) = ? [pid 3761] <... futex resumed>) = ? [pid 3760] +++ exited with 0 +++ [pid 3761] +++ exited with 0 +++ [pid 3759] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3759, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3762 ./strace-static-x86_64: Process 3762 attached [pid 3762] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3762] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3762] setpgid(0, 0) = 0 [pid 3762] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3762] write(3, "1000", 4) = 4 [pid 3762] close(3) = 0 executing program [pid 3762] write(1, "executing program\n", 18) = 18 [pid 3762] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3762] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3762] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3762] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3762] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3762] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3762] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[3763]}, 88) = 3763 [pid 3762] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3762] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3762] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3763 attached [pid 3763] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3763] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3763] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3763] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3762] <... futex resumed>) = 0 [pid 3763] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3762] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 3763] <... sendmsg resumed>) = 0 [pid 3762] <... futex resumed>) = 0 [pid 3763] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3762] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3763] <... sendmsg resumed>) = 0 [pid 3762] <... futex resumed>) = 0 [pid 3763] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3762] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3763] <... sendmsg resumed>) = 0 [pid 3762] <... mmap resumed>) = 0x7f857e3c2000 [pid 3763] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3762] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 3763] <... sendmsg resumed>) = 0 [pid 3762] <... mprotect resumed>) = 0 [pid 3762] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3762] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3763] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0./strace-static-x86_64: Process 3764 attached [pid 3762] <... clone3 resumed> => {parent_tid=[3764]}, 88) = 3764 [pid 3764] set_robust_list(0x7f857e3e29a0, 24 [pid 3763] <... sendmsg resumed>) = 0 [pid 3762] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3762] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3762] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3764] <... set_robust_list resumed>) = 0 [pid 3764] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3763] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3764] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3764] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3762] <... futex resumed>) = 0 [pid 3764] <... futex resumed>) = 1 [pid 3763] <... sendmsg resumed>) = 0 [pid 3764] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3763] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3763] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3763] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3763] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3763] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3763] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3763] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3763] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3763] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3763] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3763] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3763] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3763] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3763] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3763] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3763] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3763] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3763] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3763] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3763] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3763] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3763] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3763] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3763] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3763] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3763] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3763] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3763] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3763] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3762] exit_group(0 [pid 3763] <... futex resumed>) = ? [pid 3762] <... exit_group resumed>) = ? [pid 3764] <... futex resumed>) = ? [pid 3764] +++ exited with 0 +++ [pid 3763] +++ exited with 0 +++ [pid 3762] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3762, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3765 ./strace-static-x86_64: Process 3765 attached [pid 3765] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3765] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3765] setpgid(0, 0) = 0 [pid 3765] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3765] write(3, "1000", 4) = 4 [pid 3765] close(3) = 0 [pid 3765] write(1, "executing program\n", 18executing program ) = 18 [pid 3765] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3765] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3765] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3765] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3765] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3765] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3765] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3766 attached => {parent_tid=[3766]}, 88) = 3766 [pid 3766] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3766] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3766] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3765] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3765] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3766] <... futex resumed>) = 0 [pid 3766] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3766] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3766] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3765] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 3765] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3766] <... futex resumed>) = 0 [pid 3766] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3766] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3766] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3766] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3766] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3766] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3766] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3766] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3766] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3766] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3766] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3766] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3766] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3766] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3766] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3766] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3766] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3766] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3766] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3766] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3766] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3766] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3766] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3766] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3766] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3766] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3766] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3766] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3766] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3766] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3766] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3766] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3766] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3766] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3766] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3765] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3766] <... futex resumed>) = 0 [pid 3766] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3766] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3766] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3765] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 3765] exit_group(0) = ? [pid 3766] <... futex resumed>) = ? [pid 3766] +++ exited with 0 +++ [pid 3765] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3765, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3767 ./strace-static-x86_64: Process 3767 attached [pid 3767] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3767] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3767] setpgid(0, 0) = 0 [pid 3767] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3767] write(3, "1000", 4) = 4 executing program [pid 3767] close(3) = 0 [pid 3767] write(1, "executing program\n", 18) = 18 [pid 3767] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3767] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3767] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3767] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3767] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3767] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3767] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[3768]}, 88) = 3768 [pid 3767] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3767] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3767] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3768 attached [pid 3768] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3768] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3768] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3768] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3767] <... futex resumed>) = 0 [pid 3767] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3767] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3767] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3767] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3767] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3767] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0}./strace-static-x86_64: Process 3769 attached => {parent_tid=[3769]}, 88) = 3769 [pid 3767] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3767] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3767] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3768] <... futex resumed>) = 1 [pid 3768] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3768] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3768] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3768] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3768] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3769] set_robust_list(0x7f857e3e29a0, 24 [pid 3768] <... sendmsg resumed>) = 0 [pid 3768] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3768] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3768] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3768] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3768] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3768] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3768] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3768] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3768] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3768] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3768] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3768] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3768] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3768] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3768] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3768] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3768] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3768] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3768] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3768] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3768] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3768] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3768] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3768] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3768] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3768] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3768] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3768] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3768] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3768] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3769] <... set_robust_list resumed>) = 0 [pid 3769] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3769] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3769] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3767] <... futex resumed>) = 0 [pid 3769] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3767] exit_group(0) = ? [pid 3769] <... futex resumed>) = ? [pid 3769] +++ exited with 0 +++ [pid 3768] <... futex resumed>) = ? [pid 3768] +++ exited with 0 +++ [pid 3767] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3767, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3770 ./strace-static-x86_64: Process 3770 attached [pid 3770] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3770] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3770] setpgid(0, 0) = 0 [pid 3770] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3770] write(3, "1000", 4) = 4 [pid 3770] close(3executing program ) = 0 [pid 3770] write(1, "executing program\n", 18) = 18 [pid 3770] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3770] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3770] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3770] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3770] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3770] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3770] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3771 attached => {parent_tid=[3771]}, 88) = 3771 [pid 3771] set_robust_list(0x7f857e4039a0, 24 [pid 3770] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3770] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3770] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3771] <... set_robust_list resumed>) = 0 [pid 3771] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3771] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3771] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3770] <... futex resumed>) = 0 [pid 3770] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3770] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3771] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3770] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3771] <... sendmsg resumed>) = 0 [pid 3770] <... mmap resumed>) = 0x7f857e3c2000 [pid 3771] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3770] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 3771] <... sendmsg resumed>) = 0 [pid 3770] <... mprotect resumed>) = 0 [pid 3770] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3770] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[3772]}, 88) = 3772 [pid 3770] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3770] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3770] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3772 attached [pid 3772] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3771] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3772] rt_sigprocmask(SIG_SETMASK, [], [pid 3771] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3772] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3771] <... sendmsg resumed>) = 0 [pid 3772] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 3771] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3772] <... setsockopt resumed>) = 0 [pid 3772] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3771] <... sendmsg resumed>) = 0 [pid 3771] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3770] <... futex resumed>) = 0 [pid 3771] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3771] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3772] <... futex resumed>) = 1 [pid 3771] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3772] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3771] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 3771] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3771] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3771] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3771] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3771] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3771] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3771] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3771] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3771] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3771] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3771] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3771] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3771] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3771] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3771] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3771] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3771] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3771] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3771] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3771] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3771] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3771] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3771] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3771] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3771] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3771] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3770] exit_group(0 [pid 3771] <... futex resumed>) = ? [pid 3770] <... exit_group resumed>) = ? [pid 3771] +++ exited with 0 +++ [pid 3772] <... futex resumed>) = ? [pid 3772] +++ exited with 0 +++ [pid 3770] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3770, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3773 ./strace-static-x86_64: Process 3773 attached [pid 3773] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3773] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3773] setpgid(0, 0) = 0 [pid 3773] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3773] write(3, "1000", 4) = 4 [pid 3773] close(3) = 0 executing program [pid 3773] write(1, "executing program\n", 18) = 18 [pid 3773] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3773] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3773] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3773] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3773] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3773] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3773] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[3774]}, 88) = 3774 [pid 3773] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3773] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3773] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3774 attached [pid 3774] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3774] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3774] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3774] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3773] <... futex resumed>) = 0 [pid 3773] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3773] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3773] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3773] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3773] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3773] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0}./strace-static-x86_64: Process 3775 attached [pid 3774] <... futex resumed>) = 1 [pid 3774] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3774] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3774] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3774] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3774] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3774] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3774] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3774] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3774] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3774] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3774] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3774] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3774] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3774] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3774] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3774] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3774] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3774] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3774] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3774] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3773] <... clone3 resumed> => {parent_tid=[3775]}, 88) = 3775 [pid 3773] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3774] <... sendmsg resumed>) = 0 [pid 3773] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 3774] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3773] <... futex resumed>) = 0 [pid 3774] <... sendmsg resumed>) = 0 [pid 3773] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3774] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3774] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3774] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3774] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3774] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3774] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3774] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3774] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3774] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3774] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3774] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3774] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3774] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3774] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3775] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3775] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3775] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3775] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3773] <... futex resumed>) = 0 [pid 3775] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3773] exit_group(0) = ? [pid 3774] <... futex resumed>) = ? [pid 3774] +++ exited with 0 +++ [pid 3775] <... futex resumed>) = ? [pid 3775] +++ exited with 0 +++ [pid 3773] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3773, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3776 executing program ./strace-static-x86_64: Process 3776 attached [pid 3776] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3776] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3776] setpgid(0, 0) = 0 [pid 3776] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3776] write(3, "1000", 4) = 4 [pid 3776] close(3) = 0 [pid 3776] write(1, "executing program\n", 18) = 18 [pid 3776] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3776] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3776] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3776] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3776] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3776] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3776] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3777 attached => {parent_tid=[3777]}, 88) = 3777 [pid 3777] set_robust_list(0x7f857e4039a0, 24 [pid 3776] rt_sigprocmask(SIG_SETMASK, [], [pid 3777] <... set_robust_list resumed>) = 0 [pid 3776] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3777] rt_sigprocmask(SIG_SETMASK, [], [pid 3776] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 3777] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3776] <... futex resumed>) = 0 [pid 3777] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 3776] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3777] <... socketpair resumed>[3, 4]) = 0 [pid 3777] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3776] <... futex resumed>) = 0 [pid 3776] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3776] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3776] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3776] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3776] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3777] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3776] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[3778]}, 88) = 3778 [pid 3777] <... sendmsg resumed>) = 0 [pid 3776] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3776] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3776] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3778 attached [pid 3778] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3778] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3778] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3778] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3776] <... futex resumed>) = 0 [pid 3777] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3778] <... futex resumed>) = 1 [pid 3778] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3777] <... sendmsg resumed>) = 0 [pid 3777] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3777] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3777] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3777] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3777] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3777] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3777] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3777] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3777] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3777] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3777] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3777] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3777] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3777] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3777] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3777] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3777] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3777] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3777] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3777] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3777] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3777] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3777] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3777] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3777] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3777] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3777] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3777] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3777] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3777] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3777] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3777] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3777] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3776] exit_group(0 [pid 3777] <... futex resumed>) = ? [pid 3776] <... exit_group resumed>) = ? [pid 3777] +++ exited with 0 +++ [pid 3778] <... futex resumed>) = ? [pid 3778] +++ exited with 0 +++ [pid 3776] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3776, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>executing program ) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3779 ./strace-static-x86_64: Process 3779 attached [pid 3779] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3779] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3779] setpgid(0, 0) = 0 [pid 3779] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3779] write(3, "1000", 4) = 4 [pid 3779] close(3) = 0 [pid 3779] write(1, "executing program\n", 18) = 18 [pid 3779] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3779] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3779] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3779] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3779] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3779] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3779] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[3780]}, 88) = 3780 ./strace-static-x86_64: Process 3780 attached [pid 3779] rt_sigprocmask(SIG_SETMASK, [], [pid 3780] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3780] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3780] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3779] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3779] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3780] <... futex resumed>) = 0 [pid 3780] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3779] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3780] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3780] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3779] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3779] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3780] <... futex resumed>) = 0 [pid 3780] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3780] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3780] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3779] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3780] <... sendmsg resumed>) = 0 [pid 3779] <... futex resumed>) = 0 [pid 3780] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3780] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3780] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3779] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3780] <... sendmsg resumed>) = 0 [pid 3780] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3780] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3780] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3779] <... mmap resumed>) = 0x7f857e3c2000 [pid 3780] <... sendmsg resumed>) = 0 [pid 3780] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3780] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3780] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3780] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3779] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 3780] <... sendmsg resumed>) = 0 [pid 3780] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3780] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3779] <... mprotect resumed>) = 0 [pid 3780] <... sendmsg resumed>) = 0 [pid 3780] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3780] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3780] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3780] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3780] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3780] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3780] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3779] rt_sigprocmask(SIG_BLOCK, ~[], [pid 3780] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3780] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3780] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3780] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3780] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3780] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3780] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3780] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3779] <... rt_sigprocmask resumed>[], 8) = 0 [pid 3780] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3779] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3780] <... sendmsg resumed>) = 0 [pid 3780] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3780] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3780] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3779] <... clone3 resumed> => {parent_tid=[3781]}, 88) = 3781 ./strace-static-x86_64: Process 3781 attached [pid 3780] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3779] rt_sigprocmask(SIG_SETMASK, [], [pid 3781] set_robust_list(0x7f857e3e29a0, 24 [pid 3779] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3779] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 3781] <... set_robust_list resumed>) = 0 [pid 3779] <... futex resumed>) = 0 [pid 3781] rt_sigprocmask(SIG_SETMASK, [], [pid 3779] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3781] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3781] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3781] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3779] <... futex resumed>) = 0 [pid 3779] exit_group(0 [pid 3780] <... futex resumed>) = ? [pid 3779] <... exit_group resumed>) = ? [pid 3780] +++ exited with 0 +++ [pid 3781] +++ exited with 0 +++ [pid 3779] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3779, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3782 ./strace-static-x86_64: Process 3782 attached [pid 3782] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3782] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3782] setpgid(0, 0) = 0 [pid 3782] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3782] write(3, "1000", 4) = 4 [pid 3782] close(3) = 0 [pid 3782] write(1, "executing program\n", 18executing program ) = 18 [pid 3782] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3782] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3782] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3782] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3782] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3782] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3782] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3783 attached => {parent_tid=[3783]}, 88) = 3783 [pid 3783] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3783] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3783] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3782] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3782] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3783] <... futex resumed>) = 0 [pid 3783] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3783] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3783] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3782] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 3782] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3783] <... futex resumed>) = 0 [pid 3783] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3783] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3783] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3783] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3783] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3783] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3783] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3783] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3783] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3783] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3783] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3783] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3783] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3783] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3782] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3783] <... sendmsg resumed>) = 0 [pid 3783] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3783] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3783] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3783] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3783] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3783] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3783] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3783] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3783] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3783] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3782] <... futex resumed>) = 0 [pid 3783] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3782] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3783] <... sendmsg resumed>) = 0 [pid 3783] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3783] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3783] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3783] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3783] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3783] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3783] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3783] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3782] <... mmap resumed>) = 0x7f857e3c2000 [pid 3783] <... sendmsg resumed>) = 0 [pid 3783] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3783] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3782] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3782] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3782] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0}./strace-static-x86_64: Process 3784 attached [pid 3784] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3784] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3784] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3782] <... clone3 resumed> => {parent_tid=[3784]}, 88) = 3784 [pid 3782] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3782] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3784] <... futex resumed>) = 0 [pid 3784] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3784] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3784] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3782] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 3782] exit_group(0) = ? [pid 3783] <... futex resumed>) = ? [pid 3783] +++ exited with 0 +++ [pid 3784] <... futex resumed>) = ? [pid 3784] +++ exited with 0 +++ [pid 3782] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3782, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3785 ./strace-static-x86_64: Process 3785 attached [pid 3785] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3785] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3785] setpgid(0, 0) = 0 [pid 3785] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3785] write(3, "1000", 4) = 4 [pid 3785] close(3) = 0 [pid 3785] write(1, "executing program\n", 18executing program ) = 18 [pid 3785] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3785] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3785] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3785] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3785] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3785] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3785] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[3786]}, 88) = 3786 [pid 3785] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3785] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3785] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3786 attached [pid 3786] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3786] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3786] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3786] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3785] <... futex resumed>) = 0 [pid 3785] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3785] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3785] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3785] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3785] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3785] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[3787]}, 88) = 3787 [pid 3785] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3785] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3785] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3786] <... futex resumed>) = 1 [pid 3786] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3786] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3786] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3786] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3786] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3786] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3786] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3786] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3786] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3786] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3786] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3786] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3786] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3786] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3786] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3786] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3786] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3786] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3786] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3786] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3786] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3786] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3786] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3786] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3786] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3786] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3786] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3786] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3786] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3786] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3786] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3786] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3786] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3786] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3786] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 3787 attached [pid 3787] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3787] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3787] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3787] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3785] <... futex resumed>) = 0 [pid 3785] exit_group(0) = ? [pid 3786] <... futex resumed>) = ? [pid 3787] <... futex resumed>) = ? [pid 3786] +++ exited with 0 +++ [pid 3787] +++ exited with 0 +++ [pid 3785] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3785, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3788 ./strace-static-x86_64: Process 3788 attached [pid 3788] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3788] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3788] setpgid(0, 0) = 0 [pid 3788] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3788] write(3, "1000", 4) = 4 [pid 3788] close(3) = 0 [pid 3788] write(1, "executing program\n", 18executing program ) = 18 [pid 3788] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3788] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3788] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3788] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3788] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3788] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3788] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3789 attached => {parent_tid=[3789]}, 88) = 3789 [pid 3789] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3789] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3789] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3788] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3788] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3789] <... futex resumed>) = 0 [pid 3789] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 3788] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3789] <... socketpair resumed>[3, 4]) = 0 [pid 3789] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3789] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3788] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3788] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3789] <... futex resumed>) = 0 [pid 3789] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3789] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3789] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3789] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3789] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3789] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3789] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3788] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3789] <... sendmsg resumed>) = 0 [pid 3789] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3789] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3789] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3789] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3788] <... futex resumed>) = 0 [pid 3788] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3789] <... sendmsg resumed>) = 0 [pid 3788] <... mmap resumed>) = 0x7f857e3c2000 [pid 3789] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3789] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3789] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3788] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 3789] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3789] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3789] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3788] <... mprotect resumed>) = 0 [pid 3789] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3788] rt_sigprocmask(SIG_BLOCK, ~[], [pid 3789] <... sendmsg resumed>) = 0 [pid 3789] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3789] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3789] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3789] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3789] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3789] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3789] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3789] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3789] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3789] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3789] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3789] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3789] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3788] <... rt_sigprocmask resumed>[], 8) = 0 [pid 3789] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3788] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3789] <... sendmsg resumed>) = 0 [pid 3789] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3788] <... clone3 resumed> => {parent_tid=[3790]}, 88) = 3790 [pid 3788] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3789] <... sendmsg resumed>) = 0 [pid 3788] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 3789] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3788] <... futex resumed>) = 0 [pid 3789] <... futex resumed>) = 0 [pid 3788] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3789] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 3790 attached [pid 3790] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3790] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3790] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3790] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3788] <... futex resumed>) = 0 [pid 3788] exit_group(0 [pid 3790] ????( [pid 3788] <... exit_group resumed>) = ? [pid 3789] <... futex resumed>) = ? [pid 3789] +++ exited with 0 +++ [pid 3790] <... ???? resumed>) = ? [pid 3790] +++ exited with 0 +++ [pid 3788] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3788, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3791 ./strace-static-x86_64: Process 3791 attached [pid 3791] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3791] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3791] setpgid(0, 0) = 0 [pid 3791] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3791] write(3, "1000", 4) = 4 [pid 3791] close(3) = 0 [pid 3791] write(1, "executing program\n", 18executing program ) = 18 [pid 3791] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3791] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3791] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3791] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3791] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3791] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3791] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[3792]}, 88) = 3792 [pid 3791] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3791] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3791] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3792 attached [pid 3792] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3792] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3792] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3792] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3791] <... futex resumed>) = 0 [pid 3791] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3791] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3791] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3791] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3791] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3791] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[3793]}, 88) = 3793 [pid 3791] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3791] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3791] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3792] <... futex resumed>) = 1 [pid 3792] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3792] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3792] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3792] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3792] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3792] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3792] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3792] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3792] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3792] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3792] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3792] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3792] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3792] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3792] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3792] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3792] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3792] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3792] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3792] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3792] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3792] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3792] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3792] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3792] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3792] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3792] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3792] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3792] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3792] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3792] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3792] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3792] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3792] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3792] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 3793 attached [pid 3793] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3793] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3793] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3793] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3791] <... futex resumed>) = 0 [pid 3791] exit_group(0) = ? [pid 3793] <... futex resumed>) = ? [pid 3792] <... futex resumed>) = ? [pid 3793] +++ exited with 0 +++ [pid 3792] +++ exited with 0 +++ [pid 3791] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3791, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3794 ./strace-static-x86_64: Process 3794 attached [pid 3794] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3794] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3794] setpgid(0, 0) = 0 [pid 3794] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3794] write(3, "1000", 4executing program ) = 4 [pid 3794] close(3) = 0 [pid 3794] write(1, "executing program\n", 18) = 18 [pid 3794] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3794] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3794] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3794] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3794] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3794] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3794] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3795 attached => {parent_tid=[3795]}, 88) = 3795 [pid 3794] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3794] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3794] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3795] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3795] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3795] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3795] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3794] <... futex resumed>) = 0 [pid 3794] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3794] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3794] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3794] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3794] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3794] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[3796]}, 88) = 3796 [pid 3794] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3794] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3794] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3796 attached [pid 3796] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3796] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3796] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3796] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3794] <... futex resumed>) = 0 [pid 3796] <... futex resumed>) = 1 [pid 3795] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3796] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3795] <... sendmsg resumed>) = 0 [pid 3795] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3795] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3795] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3795] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3795] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3795] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3795] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3795] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3795] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3795] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3795] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3795] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3795] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3795] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3795] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3795] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3795] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3795] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3795] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3795] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3795] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3795] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3795] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3795] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3795] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3795] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3795] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3795] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3795] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3795] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3795] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3795] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3795] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3795] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3794] exit_group(0) = ? [pid 3796] <... futex resumed>) = ? [pid 3795] <... futex resumed>) = ? [pid 3796] +++ exited with 0 +++ [pid 3795] +++ exited with 0 +++ [pid 3794] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3794, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3797 ./strace-static-x86_64: Process 3797 attached [pid 3797] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3797] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3797] setpgid(0, 0) = 0 [pid 3797] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3797] write(3, "1000", 4) = 4 [pid 3797] close(3executing program ) = 0 [pid 3797] write(1, "executing program\n", 18) = 18 [pid 3797] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3797] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3797] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3797] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3797] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3797] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3797] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3798 attached => {parent_tid=[3798]}, 88) = 3798 [pid 3798] set_robust_list(0x7f857e4039a0, 24 [pid 3797] rt_sigprocmask(SIG_SETMASK, [], [pid 3798] <... set_robust_list resumed>) = 0 [pid 3797] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3798] rt_sigprocmask(SIG_SETMASK, [], [pid 3797] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 3798] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3797] <... futex resumed>) = 0 [pid 3798] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 3797] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3798] <... socketpair resumed>[3, 4]) = 0 [pid 3798] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3797] <... futex resumed>) = 0 [pid 3798] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3797] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 3798] <... sendmsg resumed>) = 0 [pid 3797] <... futex resumed>) = 0 [pid 3798] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3797] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3798] <... sendmsg resumed>) = 0 [pid 3797] <... futex resumed>) = 0 [pid 3798] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3797] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3798] <... sendmsg resumed>) = 0 [pid 3797] <... mmap resumed>) = 0x7f857e3c2000 [pid 3798] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3797] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 3798] <... sendmsg resumed>) = 0 [pid 3797] <... mprotect resumed>) = 0 [pid 3798] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3797] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3797] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3798] <... sendmsg resumed>) = 0 [pid 3797] <... clone3 resumed> => {parent_tid=[3799]}, 88) = 3799 [pid 3797] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3797] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3797] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3799 attached [pid 3799] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3799] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3799] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3799] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3797] <... futex resumed>) = 0 [pid 3799] <... futex resumed>) = 1 [pid 3799] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3798] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3798] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3798] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3798] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3798] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3798] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3798] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3798] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3798] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3798] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3798] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3798] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3798] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3798] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3798] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3798] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3798] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3798] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3798] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3798] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3798] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3798] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3798] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3798] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3798] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3798] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3798] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3798] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3798] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3798] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3797] exit_group(0 [pid 3798] <... futex resumed>) = ? [pid 3797] <... exit_group resumed>) = ? [pid 3798] +++ exited with 0 +++ [pid 3799] <... futex resumed>) = ? [pid 3799] +++ exited with 0 +++ [pid 3797] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3797, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3800 ./strace-static-x86_64: Process 3800 attached [pid 3800] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3800] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3800] setpgid(0, 0) = 0 [pid 3800] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3800] write(3, "1000", 4) = 4 [pid 3800] close(3executing program ) = 0 [pid 3800] write(1, "executing program\n", 18) = 18 [pid 3800] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3800] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3800] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3800] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3800] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3800] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3800] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3801 attached => {parent_tid=[3801]}, 88) = 3801 [pid 3800] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3800] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3800] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3801] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3801] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3801] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3801] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3800] <... futex resumed>) = 0 [pid 3801] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3800] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 3801] <... futex resumed>) = 0 [pid 3800] <... futex resumed>) = 1 [pid 3801] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3801] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3801] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3801] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3801] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3800] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3801] <... sendmsg resumed>) = 0 [pid 3800] <... futex resumed>) = 0 [pid 3801] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3801] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3801] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3800] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3801] <... sendmsg resumed>) = 0 [pid 3801] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3801] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3801] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3800] <... mmap resumed>) = 0x7f857e3c2000 [pid 3801] <... sendmsg resumed>) = 0 [pid 3801] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3801] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3801] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3800] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 3801] <... sendmsg resumed>) = 0 [pid 3800] <... mprotect resumed>) = 0 [pid 3801] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3800] rt_sigprocmask(SIG_BLOCK, ~[], [pid 3801] <... sendmsg resumed>) = 0 [pid 3800] <... rt_sigprocmask resumed>[], 8) = 0 [pid 3801] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3800] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3801] <... sendmsg resumed>) = 0 [pid 3801] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0./strace-static-x86_64: Process 3802 attached [pid 3802] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3802] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3802] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3801] <... sendmsg resumed>) = 0 [pid 3800] <... clone3 resumed> => {parent_tid=[3802]}, 88) = 3802 [pid 3801] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3800] rt_sigprocmask(SIG_SETMASK, [], [pid 3801] <... sendmsg resumed>) = 0 [pid 3800] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3801] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3800] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 3801] <... sendmsg resumed>) = 0 [pid 3800] <... futex resumed>) = 1 [pid 3801] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3802] <... futex resumed>) = 0 [pid 3801] <... sendmsg resumed>) = 0 [pid 3800] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3802] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3802] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3802] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3801] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3800] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3801] <... sendmsg resumed>) = 0 [pid 3801] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3801] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3801] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3801] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3801] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3801] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3801] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3801] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3801] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3801] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3801] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3801] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3801] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3801] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3800] exit_group(0 [pid 3801] <... futex resumed>) = 231 [pid 3800] <... exit_group resumed>) = ? [pid 3801] +++ exited with 0 +++ [pid 3802] <... futex resumed>) = ? [pid 3802] +++ exited with 0 +++ [pid 3800] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3800, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3803 ./strace-static-x86_64: Process 3803 attached [pid 3803] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3803] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3803] setpgid(0, 0) = 0 [pid 3803] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3803] write(3, "1000", 4) = 4 [pid 3803] close(3) = 0 [pid 3803] write(1, "executing program\n", 18executing program ) = 18 [pid 3803] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3803] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3803] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3803] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3803] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3803] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3803] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3804 attached [pid 3804] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3804] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3804] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3803] <... clone3 resumed> => {parent_tid=[3804]}, 88) = 3804 [pid 3803] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3803] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3804] <... futex resumed>) = 0 [pid 3804] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 3803] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3804] <... socketpair resumed>[3, 4]) = 0 [pid 3804] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3804] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3803] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3803] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3804] <... futex resumed>) = 0 [pid 3804] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3804] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3804] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3804] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3804] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3804] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3804] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3804] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3804] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3804] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3804] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3804] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3804] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3804] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3803] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3804] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3804] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3803] <... futex resumed>) = 0 [pid 3804] <... sendmsg resumed>) = 0 [pid 3804] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3804] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3804] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3804] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3804] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3804] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3804] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3804] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3804] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3803] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3804] <... sendmsg resumed>) = 0 [pid 3804] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3804] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3804] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3804] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3804] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3804] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3803] <... mmap resumed>) = 0x7f857e3c2000 [pid 3804] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3804] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3804] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3804] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3803] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3803] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3803] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0}./strace-static-x86_64: Process 3805 attached [pid 3805] set_robust_list(0x7f857e3e29a0, 24 [pid 3803] <... clone3 resumed> => {parent_tid=[3805]}, 88) = 3805 [pid 3805] <... set_robust_list resumed>) = 0 [pid 3805] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3805] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3803] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3803] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3805] <... futex resumed>) = 0 [pid 3803] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3805] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3805] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3805] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3803] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3803] exit_group(0 [pid 3804] <... futex resumed>) = ? [pid 3803] <... exit_group resumed>) = ? [pid 3804] +++ exited with 0 +++ [pid 3805] <... futex resumed>) = ? [pid 3805] +++ exited with 0 +++ [pid 3803] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3803, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3806 ./strace-static-x86_64: Process 3806 attached [pid 3806] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3806] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3806] setpgid(0, 0) = 0 [pid 3806] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3806] write(3, "1000", 4) = 4 [pid 3806] close(3executing program ) = 0 [pid 3806] write(1, "executing program\n", 18) = 18 [pid 3806] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3806] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3806] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3806] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3806] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3806] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3806] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[3807]}, 88) = 3807 [pid 3806] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3806] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3806] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3807 attached [pid 3807] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3807] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3807] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3807] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3806] <... futex resumed>) = 0 [pid 3806] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3806] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3806] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3806] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3806] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3806] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[3808]}, 88) = 3808 [pid 3806] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3806] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3806] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3807] <... futex resumed>) = 1 [pid 3807] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3807] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3807] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3807] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3807] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3807] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3807] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3807] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3807] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3807] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3807] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3807] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3807] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3807] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3807] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3807] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3807] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3807] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3807] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3807] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3807] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3807] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3807] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3807] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3807] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3807] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3807] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3807] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3807] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3807] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3807] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3807] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3807] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3807] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3807] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 3808 attached [pid 3808] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3808] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3808] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3808] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3806] <... futex resumed>) = 0 [pid 3806] exit_group(0) = ? [pid 3807] <... futex resumed>) = ? [pid 3808] <... futex resumed>) = 231 [pid 3807] +++ exited with 0 +++ [pid 3808] +++ exited with 0 +++ [pid 3806] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3806, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3809 attached , child_tidptr=0x55555bbac690) = 3809 [pid 3809] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3809] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3809] setpgid(0, 0) = 0 [pid 3809] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3809] write(3, "1000", 4) = 4 [pid 3809] close(3) = 0 [pid 3809] write(1, "executing program\n", 18executing program ) = 18 [pid 3809] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3809] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3809] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3809] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3809] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3809] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3809] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3810 attached => {parent_tid=[3810]}, 88) = 3810 [pid 3810] set_robust_list(0x7f857e4039a0, 24 [pid 3809] rt_sigprocmask(SIG_SETMASK, [], [pid 3810] <... set_robust_list resumed>) = 0 [pid 3809] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3810] rt_sigprocmask(SIG_SETMASK, [], [pid 3809] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 3810] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3809] <... futex resumed>) = 0 [pid 3810] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 3809] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3810] <... socketpair resumed>[3, 4]) = 0 [pid 3810] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3809] <... futex resumed>) = 0 [pid 3810] <... futex resumed>) = 1 [pid 3809] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 3810] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3809] <... futex resumed>) = 0 [pid 3809] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3810] <... sendmsg resumed>) = 0 [pid 3809] <... futex resumed>) = 0 [pid 3810] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3809] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3810] <... sendmsg resumed>) = 0 [pid 3809] <... mmap resumed>) = 0x7f857e3c2000 [pid 3809] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 3810] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3809] <... mprotect resumed>) = 0 [pid 3810] <... sendmsg resumed>) = 0 [pid 3809] rt_sigprocmask(SIG_BLOCK, ~[], [pid 3810] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3809] <... rt_sigprocmask resumed>[], 8) = 0 [pid 3810] <... sendmsg resumed>) = 0 [pid 3809] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3810] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3809] <... clone3 resumed> => {parent_tid=[3811]}, 88) = 3811 ./strace-static-x86_64: Process 3811 attached [pid 3810] <... sendmsg resumed>) = 0 [pid 3809] rt_sigprocmask(SIG_SETMASK, [], [pid 3810] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3811] set_robust_list(0x7f857e3e29a0, 24 [pid 3809] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3811] <... set_robust_list resumed>) = 0 [pid 3810] <... sendmsg resumed>) = 0 [pid 3809] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 3810] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3811] rt_sigprocmask(SIG_SETMASK, [], [pid 3809] <... futex resumed>) = 0 [pid 3811] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3810] <... sendmsg resumed>) = 0 [pid 3811] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 3809] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3810] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3811] <... setsockopt resumed>) = 0 [pid 3810] <... sendmsg resumed>) = 0 [pid 3811] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3810] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3811] <... futex resumed>) = 1 [pid 3809] <... futex resumed>) = 0 [pid 3811] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3810] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 3810] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3810] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3810] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3810] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3810] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3810] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3810] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3810] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3810] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3810] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3810] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3810] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3810] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3810] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3810] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3810] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3810] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3810] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3810] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3810] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3810] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3810] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3810] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3810] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3810] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3810] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3809] exit_group(0) = ? [pid 3810] <... futex resumed>) = ? [pid 3810] +++ exited with 0 +++ [pid 3811] <... futex resumed>) = ? [pid 3811] +++ exited with 0 +++ [pid 3809] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3809, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3812 attached , child_tidptr=0x55555bbac690) = 3812 [pid 3812] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3812] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3812] setpgid(0, 0) = 0 [pid 3812] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3812] write(3, "1000", 4) = 4 executing program [pid 3812] close(3) = 0 [pid 3812] write(1, "executing program\n", 18) = 18 [pid 3812] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3812] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3812] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3812] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3812] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3812] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3812] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3813 attached => {parent_tid=[3813]}, 88) = 3813 [pid 3813] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3813] rt_sigprocmask(SIG_SETMASK, [], [pid 3812] rt_sigprocmask(SIG_SETMASK, [], [pid 3813] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3813] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3812] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3812] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3813] <... futex resumed>) = 0 [pid 3813] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 3812] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3813] <... socketpair resumed>[3, 4]) = 0 [pid 3813] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3812] <... futex resumed>) = 0 [pid 3812] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3812] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3812] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3812] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3812] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3812] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[3814]}, 88) = 3814 [pid 3812] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3812] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3812] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3814 attached [pid 3814] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3814] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3814] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3814] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3812] <... futex resumed>) = 0 [pid 3814] <... futex resumed>) = 1 [pid 3813] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3814] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3813] <... sendmsg resumed>) = 0 [pid 3813] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3813] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3813] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3813] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3813] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3813] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3813] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3813] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3813] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3813] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3813] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3813] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3813] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3813] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3813] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3813] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3813] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3813] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3813] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3813] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3813] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3813] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3813] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3813] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3813] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3813] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3813] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3813] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3813] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3813] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3813] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3813] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3813] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3813] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3812] exit_group(0 [pid 3814] <... futex resumed>) = ? [pid 3813] <... futex resumed>) = ? [pid 3812] <... exit_group resumed>) = ? [pid 3814] +++ exited with 0 +++ [pid 3813] +++ exited with 0 +++ [pid 3812] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3812, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3815 ./strace-static-x86_64: Process 3815 attached [pid 3815] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3815] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3815] setpgid(0, 0) = 0 [pid 3815] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3815] write(3, "1000", 4) = 4 [pid 3815] close(3) = 0 executing program [pid 3815] write(1, "executing program\n", 18) = 18 [pid 3815] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3815] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3815] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3815] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3815] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3815] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3815] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3816 attached [pid 3816] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3816] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3816] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3815] <... clone3 resumed> => {parent_tid=[3816]}, 88) = 3816 [pid 3815] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3815] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 3816] <... futex resumed>) = 0 [pid 3815] <... futex resumed>) = 1 [pid 3816] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 3815] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3816] <... socketpair resumed>[3, 4]) = 0 [pid 3816] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3816] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3815] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3815] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3816] <... futex resumed>) = 0 [pid 3815] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3816] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3816] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3816] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3815] <... futex resumed>) = 0 [pid 3815] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3816] <... sendmsg resumed>) = 0 [pid 3815] <... mmap resumed>) = 0x7f857e3c2000 [pid 3816] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3815] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 3816] <... sendmsg resumed>) = 0 [pid 3815] <... mprotect resumed>) = 0 [pid 3816] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3815] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3815] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3816] <... sendmsg resumed>) = 0 [pid 3816] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3815] <... clone3 resumed> => {parent_tid=[3817]}, 88) = 3817 [pid 3815] rt_sigprocmask(SIG_SETMASK, [], [pid 3816] <... sendmsg resumed>) = 0 [pid 3815] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3816] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3815] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3815] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3816] <... sendmsg resumed>) = 0 [pid 3816] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3816] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3816] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3816] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3816] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0./strace-static-x86_64: Process 3817 attached ) = 0 [pid 3816] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3816] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3817] set_robust_list(0x7f857e3e29a0, 24 [pid 3816] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3816] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3816] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3816] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3816] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3816] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3816] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3816] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3816] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3816] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3816] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3816] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3816] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3816] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3817] <... set_robust_list resumed>) = 0 [pid 3816] <... sendmsg resumed>) = 0 [pid 3816] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3817] rt_sigprocmask(SIG_SETMASK, [], [pid 3816] <... sendmsg resumed>) = 0 [pid 3816] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3816] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3817] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3816] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3816] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3817] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 3816] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3816] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3817] <... setsockopt resumed>) = 0 [pid 3817] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3815] <... futex resumed>) = 0 [pid 3817] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3815] exit_group(0) = ? [pid 3817] <... futex resumed>) = ? [pid 3817] +++ exited with 0 +++ [pid 3816] <... futex resumed>) = ? [pid 3816] +++ exited with 0 +++ [pid 3815] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3815, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3818 ./strace-static-x86_64: Process 3818 attached [pid 3818] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3818] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3818] setpgid(0, 0) = 0 [pid 3818] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3818] write(3, "1000", 4) = 4 [pid 3818] close(3) = 0 executing program [pid 3818] write(1, "executing program\n", 18) = 18 [pid 3818] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3818] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3818] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3818] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3818] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3818] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3818] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[3819]}, 88) = 3819 [pid 3818] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3818] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3818] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3819 attached [pid 3819] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3819] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3819] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3819] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3818] <... futex resumed>) = 0 [pid 3818] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3818] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3818] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3818] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3818] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3818] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[3820]}, 88) = 3820 [pid 3819] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3818] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3818] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3818] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3820 attached [pid 3820] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3820] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3820] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3820] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3818] <... futex resumed>) = 0 [pid 3820] <... futex resumed>) = 1 [pid 3820] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3819] <... sendmsg resumed>) = 0 [pid 3819] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3819] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3819] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3819] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3819] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3819] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3819] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3819] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3819] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3819] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3819] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3819] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3819] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3819] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3819] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3819] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3819] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3819] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3819] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3819] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3819] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3819] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3819] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3819] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3819] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3819] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3819] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3819] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3819] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3819] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3819] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3819] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3819] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3819] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3818] exit_group(0 [pid 3820] <... futex resumed>) = ? [pid 3819] <... futex resumed>) = ? [pid 3818] <... exit_group resumed>) = ? [pid 3819] +++ exited with 0 +++ [pid 3820] +++ exited with 0 +++ [pid 3818] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3818, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3822 ./strace-static-x86_64: Process 3822 attached [pid 3822] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3822] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3822] setpgid(0, 0) = 0 [pid 3822] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3822] write(3, "1000", 4) = 4 [pid 3822] close(3) = 0 executing program [pid 3822] write(1, "executing program\n", 18) = 18 [pid 3822] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3822] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3822] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3822] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3822] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3822] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3822] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3823 attached [pid 3823] set_robust_list(0x7f857e4039a0, 24 [pid 3822] <... clone3 resumed> => {parent_tid=[3823]}, 88) = 3823 [pid 3823] <... set_robust_list resumed>) = 0 [pid 3822] rt_sigprocmask(SIG_SETMASK, [], [pid 3823] rt_sigprocmask(SIG_SETMASK, [], [pid 3822] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3823] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3822] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 3823] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 3822] <... futex resumed>) = 0 [pid 3822] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3823] <... socketpair resumed>[3, 4]) = 0 [pid 3823] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3822] <... futex resumed>) = 0 [pid 3822] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 3823] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3822] <... futex resumed>) = 0 [pid 3822] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3822] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3822] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3822] rt_sigprocmask(SIG_BLOCK, ~[], [pid 3823] <... sendmsg resumed>) = 0 [pid 3822] <... rt_sigprocmask resumed>[], 8) = 0 [pid 3822] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[3824]}, 88) = 3824 [pid 3823] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3822] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3822] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3822] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3824 attached [pid 3824] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3824] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3824] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3824] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3822] <... futex resumed>) = 0 [pid 3824] <... futex resumed>) = 1 [pid 3824] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3823] <... sendmsg resumed>) = 0 [pid 3823] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3823] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3823] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3823] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3823] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3823] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3823] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3823] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3823] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3823] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3823] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3823] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3823] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3823] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3823] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3823] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3823] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3823] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3823] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3823] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3823] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3823] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3823] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3823] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3823] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3823] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3823] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3823] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3823] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3823] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3823] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3823] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3823] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3822] exit_group(0) = ? [pid 3823] <... futex resumed>) = ? [pid 3823] +++ exited with 0 +++ [pid 3824] <... futex resumed>) = ? [pid 3824] +++ exited with 0 +++ [pid 3822] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3822, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3825 ./strace-static-x86_64: Process 3825 attached [pid 3825] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3825] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3825] setpgid(0, 0) = 0 [pid 3825] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3825] write(3, "1000", 4) = 4 [pid 3825] close(3) = 0 [pid 3825] write(1, "executing program\n", 18executing program ) = 18 [pid 3825] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3825] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3825] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3825] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3825] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3825] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3825] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3826 attached => {parent_tid=[3826]}, 88) = 3826 [pid 3826] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3826] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3826] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3825] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3825] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3826] <... futex resumed>) = 0 [pid 3826] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 3825] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3826] <... socketpair resumed>[3, 4]) = 0 [pid 3826] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3826] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3825] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3825] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3826] <... futex resumed>) = 0 [pid 3826] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3826] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3826] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3826] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3825] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3826] <... sendmsg resumed>) = 0 [pid 3826] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3826] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3825] <... futex resumed>) = 0 [pid 3826] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3826] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3826] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3826] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3825] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3826] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3826] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3826] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3826] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3826] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3826] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3825] <... mmap resumed>) = 0x7f857e3c2000 [pid 3826] <... sendmsg resumed>) = 0 [pid 3826] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3826] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3826] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3826] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3826] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3826] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3825] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 3826] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3825] <... mprotect resumed>) = 0 [pid 3826] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3825] rt_sigprocmask(SIG_BLOCK, ~[], [pid 3826] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3825] <... rt_sigprocmask resumed>[], 8) = 0 [pid 3826] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3825] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3826] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3825] <... clone3 resumed> => {parent_tid=[3827]}, 88) = 3827 [pid 3826] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0./strace-static-x86_64: Process 3827 attached ) = 0 [pid 3825] rt_sigprocmask(SIG_SETMASK, [], [pid 3827] set_robust_list(0x7f857e3e29a0, 24 [pid 3826] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3825] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3826] <... sendmsg resumed>) = 0 [pid 3825] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 3827] <... set_robust_list resumed>) = 0 [pid 3826] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3825] <... futex resumed>) = 0 [pid 3827] rt_sigprocmask(SIG_SETMASK, [], [pid 3826] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3827] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3826] <... sendmsg resumed>) = 0 [pid 3825] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3827] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 3826] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3827] <... setsockopt resumed>) = 0 [pid 3826] <... sendmsg resumed>) = 0 [pid 3827] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3826] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3827] <... futex resumed>) = 1 [pid 3826] <... sendmsg resumed>) = 0 [pid 3825] <... futex resumed>) = 0 [pid 3827] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3826] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3826] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3825] exit_group(0 [pid 3827] <... futex resumed>) = 231 [pid 3825] <... exit_group resumed>) = ? [pid 3826] <... futex resumed>) = ? [pid 3826] +++ exited with 0 +++ [pid 3827] +++ exited with 0 +++ [pid 3825] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3825, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3828 ./strace-static-x86_64: Process 3828 attached [pid 3828] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3828] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3828] setpgid(0, 0) = 0 [pid 3828] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3828] write(3, "1000", 4) = 4 [pid 3828] close(3) = 0 [pid 3828] write(1, "executing program\n", 18executing program ) = 18 [pid 3828] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3828] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3828] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3828] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3828] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3828] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3828] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3829 attached => {parent_tid=[3829]}, 88) = 3829 [pid 3829] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3829] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3829] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3828] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3828] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3829] <... futex resumed>) = 0 [pid 3829] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3829] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3829] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3828] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 3828] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3829] <... futex resumed>) = 0 [pid 3829] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3829] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3829] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3829] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3829] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3829] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3829] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3828] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3828] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3828] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3828] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3828] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3829] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0./strace-static-x86_64: Process 3830 attached ) = 0 [pid 3828] <... clone3 resumed> => {parent_tid=[3830]}, 88) = 3830 [pid 3830] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3830] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3830] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3829] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3829] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3829] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3829] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3829] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3829] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3829] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3828] rt_sigprocmask(SIG_SETMASK, [], [pid 3829] <... sendmsg resumed>) = 0 [pid 3829] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3829] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3829] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3829] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3829] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3829] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3829] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3829] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3829] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3828] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3829] <... sendmsg resumed>) = 0 [pid 3829] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3828] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 3829] <... sendmsg resumed>) = 0 [pid 3829] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3829] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3829] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3829] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3829] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3829] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3828] <... futex resumed>) = 1 [pid 3830] <... futex resumed>) = 0 [pid 3829] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3829] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3829] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3829] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3828] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3830] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3830] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3828] <... futex resumed>) = 0 [pid 3828] exit_group(0 [pid 3830] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3828] <... exit_group resumed>) = ? [pid 3830] <... futex resumed>) = -1 (errno 18446744073709551414) [pid 3829] <... futex resumed>) = ? [pid 3830] +++ exited with 0 +++ [pid 3829] +++ exited with 0 +++ [pid 3828] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3828, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3831 attached , child_tidptr=0x55555bbac690) = 3831 [pid 3831] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3831] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3831] setpgid(0, 0) = 0 [pid 3831] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3831] write(3, "1000", 4) = 4 [pid 3831] close(3) = 0 [pid 3831] write(1, "executing program\n", 18executing program ) = 18 [pid 3831] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3831] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3831] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3831] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3831] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3831] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3831] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3832 attached [pid 3832] set_robust_list(0x7f857e4039a0, 24 [pid 3831] <... clone3 resumed> => {parent_tid=[3832]}, 88) = 3832 [pid 3832] <... set_robust_list resumed>) = 0 [pid 3831] rt_sigprocmask(SIG_SETMASK, [], [pid 3832] rt_sigprocmask(SIG_SETMASK, [], [pid 3831] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3832] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3831] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 3832] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 3831] <... futex resumed>) = 0 [pid 3831] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3832] <... socketpair resumed>[3, 4]) = 0 [pid 3832] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3831] <... futex resumed>) = 0 [pid 3832] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3831] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 3832] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3831] <... futex resumed>) = 0 [pid 3832] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3831] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3832] <... sendmsg resumed>) = 0 [pid 3831] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3832] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3831] <... mmap resumed>) = 0x7f857e3c2000 [pid 3831] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 3832] <... sendmsg resumed>) = 0 [pid 3831] <... mprotect resumed>) = 0 [pid 3832] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3831] rt_sigprocmask(SIG_BLOCK, ~[], [pid 3832] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3831] <... rt_sigprocmask resumed>[], 8) = 0 [pid 3832] <... sendmsg resumed>) = 0 [pid 3831] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3832] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0./strace-static-x86_64: Process 3833 attached [pid 3831] <... clone3 resumed> => {parent_tid=[3833]}, 88) = 3833 [pid 3832] <... sendmsg resumed>) = 0 [pid 3831] rt_sigprocmask(SIG_SETMASK, [], [pid 3833] set_robust_list(0x7f857e3e29a0, 24 [pid 3832] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3831] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3833] <... set_robust_list resumed>) = 0 [pid 3831] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 3832] <... sendmsg resumed>) = 0 [pid 3831] <... futex resumed>) = 0 [pid 3833] rt_sigprocmask(SIG_SETMASK, [], [pid 3831] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3832] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3833] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3833] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3833] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3831] <... futex resumed>) = 0 [pid 3833] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3832] <... sendmsg resumed>) = 0 [pid 3832] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3832] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3832] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3832] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3832] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3832] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3832] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3832] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3832] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3832] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3832] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3832] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3832] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3832] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3832] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3832] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3832] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3832] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3832] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3832] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3832] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3832] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3832] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3832] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3832] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3832] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3832] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3832] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3831] exit_group(0 [pid 3832] <... futex resumed>) = ? [pid 3831] <... exit_group resumed>) = ? [pid 3832] +++ exited with 0 +++ [pid 3833] <... futex resumed>) = ? [pid 3833] +++ exited with 0 +++ [pid 3831] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3831, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3834 attached , child_tidptr=0x55555bbac690) = 3834 [pid 3834] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3834] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3834] setpgid(0, 0) = 0 [pid 3834] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3834] write(3, "1000", 4) = 4 [pid 3834] close(3) = 0 executing program [pid 3834] write(1, "executing program\n", 18) = 18 [pid 3834] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3834] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3834] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3834] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3834] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3834] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3834] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3835 attached [pid 3835] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3835] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3835] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3834] <... clone3 resumed> => {parent_tid=[3835]}, 88) = 3835 [pid 3834] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3834] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3835] <... futex resumed>) = 0 [pid 3835] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3835] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3835] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3834] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 3834] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3835] <... futex resumed>) = 0 [pid 3834] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3835] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3834] <... futex resumed>) = 0 [pid 3835] <... sendmsg resumed>) = 0 [pid 3834] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3835] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3834] <... mmap resumed>) = 0x7f857e3c2000 [pid 3834] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 3835] <... sendmsg resumed>) = 0 [pid 3834] <... mprotect resumed>) = 0 [pid 3835] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3834] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3834] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3835] <... sendmsg resumed>) = 0 [pid 3835] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3835] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3834] <... clone3 resumed> => {parent_tid=[3836]}, 88) = 3836 [pid 3834] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3834] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 3835] <... sendmsg resumed>) = 0 [pid 3834] <... futex resumed>) = 0 [pid 3835] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3834] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3835] <... sendmsg resumed>) = 0 [pid 3835] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3835] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3835] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3835] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3835] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3835] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3835] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3835] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3835] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3835] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3835] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3835] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3835] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3835] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3835] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3835] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3835] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3835] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3835] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3835] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3835] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3835] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3835] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3835] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3835] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3835] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3835] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3835] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3835] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 3836 attached [pid 3836] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3836] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3836] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3836] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3834] <... futex resumed>) = 0 [pid 3834] exit_group(0) = ? [pid 3835] <... futex resumed>) = ? [pid 3835] +++ exited with 0 +++ [pid 3836] +++ exited with 0 +++ [pid 3834] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3834, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3837 attached , child_tidptr=0x55555bbac690) = 3837 [pid 3837] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3837] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3837] setpgid(0, 0) = 0 [pid 3837] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3837] write(3, "1000", 4) = 4 [pid 3837] close(3) = 0 [pid 3837] write(1, "executing program\n", 18executing program ) = 18 [pid 3837] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3837] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3837] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3837] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3837] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3837] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3837] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3838 attached [pid 3838] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3838] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3838] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3837] <... clone3 resumed> => {parent_tid=[3838]}, 88) = 3838 [pid 3837] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3837] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3838] <... futex resumed>) = 0 [pid 3838] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 3837] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3838] <... socketpair resumed>[3, 4]) = 0 [pid 3838] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3837] <... futex resumed>) = 0 [pid 3837] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3837] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3837] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3837] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3837] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3837] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[3839]}, 88) = 3839 [pid 3837] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3837] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3837] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3839 attached [pid 3839] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3839] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3839] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3839] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3837] <... futex resumed>) = 0 [pid 3839] <... futex resumed>) = 1 [pid 3838] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3839] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3838] <... sendmsg resumed>) = 0 [pid 3838] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3838] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3838] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3838] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3838] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3838] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3838] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3838] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3838] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3838] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3838] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3838] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3838] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3838] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3838] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3838] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3838] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3838] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3838] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3838] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3838] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3838] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3838] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3838] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3838] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3838] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3838] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3838] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3838] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3838] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3838] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3838] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3838] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3838] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3837] exit_group(0 [pid 3839] <... futex resumed>) = ? [pid 3837] <... exit_group resumed>) = ? [pid 3838] <... futex resumed>) = ? [pid 3838] +++ exited with 0 +++ [pid 3839] +++ exited with 0 +++ [pid 3837] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3837, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3840 ./strace-static-x86_64: Process 3840 attached [pid 3840] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3840] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3840] setpgid(0, 0) = 0 [pid 3840] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3840] write(3, "1000", 4) = 4 [pid 3840] close(3executing program ) = 0 [pid 3840] write(1, "executing program\n", 18) = 18 [pid 3840] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3840] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3840] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3840] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3840] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3840] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3840] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3841 attached => {parent_tid=[3841]}, 88) = 3841 [pid 3841] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3841] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3841] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3840] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3840] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3841] <... futex resumed>) = 0 [pid 3841] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 3840] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3841] <... socketpair resumed>[3, 4]) = 0 [pid 3841] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3841] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3840] <... futex resumed>) = 0 [pid 3840] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3841] <... futex resumed>) = 0 [pid 3841] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3841] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3840] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3841] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3840] <... futex resumed>) = 0 [pid 3840] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3841] <... sendmsg resumed>) = 0 [pid 3840] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 3841] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3840] <... mprotect resumed>) = 0 [pid 3841] <... sendmsg resumed>) = 0 [pid 3840] rt_sigprocmask(SIG_BLOCK, ~[], [pid 3841] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3840] <... rt_sigprocmask resumed>[], 8) = 0 [pid 3840] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3841] <... sendmsg resumed>) = 0 [pid 3841] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3841] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3840] <... clone3 resumed> => {parent_tid=[3842]}, 88) = 3842 [pid 3840] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3841] <... sendmsg resumed>) = 0 [pid 3840] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 3842 attached ) = 0 [pid 3840] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3841] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3841] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3842] set_robust_list(0x7f857e3e29a0, 24 [pid 3841] <... sendmsg resumed>) = 0 [pid 3841] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3841] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3841] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3841] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3841] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3841] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3841] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3842] <... set_robust_list resumed>) = 0 [pid 3841] <... sendmsg resumed>) = 0 [pid 3841] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3842] rt_sigprocmask(SIG_SETMASK, [], [pid 3841] <... sendmsg resumed>) = 0 [pid 3841] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3841] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3842] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3841] <... sendmsg resumed>) = 0 [pid 3841] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3841] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3841] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3841] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3841] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3842] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 3841] <... sendmsg resumed>) = 0 [pid 3841] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3841] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3841] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3841] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3841] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3841] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3841] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3842] <... setsockopt resumed>) = 0 [pid 3841] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3841] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3841] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3842] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3841] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3842] <... futex resumed>) = 1 [pid 3840] <... futex resumed>) = 0 [pid 3842] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3840] exit_group(0) = ? [pid 3842] <... futex resumed>) = ? [pid 3841] <... futex resumed>) = ? [pid 3842] +++ exited with 0 +++ [pid 3841] +++ exited with 0 +++ [pid 3840] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3840, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3843 ./strace-static-x86_64: Process 3843 attached [pid 3843] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3843] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3843] setpgid(0, 0) = 0 [pid 3843] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3843] write(3, "1000", 4) = 4 [pid 3843] close(3) = 0 [pid 3843] write(1, "executing program\n", 18executing program ) = 18 [pid 3843] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3843] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3843] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3843] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3843] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3843] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3843] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[3844]}, 88) = 3844 [pid 3843] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3843] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3843] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3844 attached [pid 3844] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3844] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3844] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3844] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3843] <... futex resumed>) = 0 [pid 3843] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3843] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3843] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3843] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3843] rt_sigprocmask(SIG_BLOCK, ~[], [pid 3844] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3843] <... rt_sigprocmask resumed>[], 8) = 0 [pid 3843] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[3845]}, 88) = 3845 [pid 3844] <... sendmsg resumed>) = 0 [pid 3843] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3843] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3843] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3845 attached [pid 3845] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3845] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3845] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3845] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3843] <... futex resumed>) = 0 [pid 3844] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3845] <... futex resumed>) = 1 [pid 3845] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3844] <... sendmsg resumed>) = 0 [pid 3844] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3844] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3844] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3844] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3844] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3844] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3844] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3844] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3844] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3844] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3844] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3844] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3844] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3844] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3844] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3844] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3844] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3844] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3844] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3844] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3844] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3844] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3844] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3844] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3844] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3844] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3844] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3844] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3844] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3844] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3844] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3844] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3844] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3843] exit_group(0) = ? [pid 3845] <... futex resumed>) = ? [pid 3844] <... futex resumed>) = ? [pid 3844] +++ exited with 0 +++ [pid 3845] +++ exited with 0 +++ [pid 3843] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3843, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3846 ./strace-static-x86_64: Process 3846 attached [pid 3846] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3846] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3846] setpgid(0, 0) = 0 [pid 3846] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3846] write(3, "1000", 4) = 4 executing program [pid 3846] close(3) = 0 [pid 3846] write(1, "executing program\n", 18) = 18 [pid 3846] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3846] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3846] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3846] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3846] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3846] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3846] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[3847]}, 88) = 3847 [pid 3846] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3846] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3846] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3847 attached [pid 3847] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3847] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3847] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3847] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3846] <... futex resumed>) = 0 [pid 3847] <... futex resumed>) = 1 [pid 3846] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3847] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3846] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3846] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3847] <... sendmsg resumed>) = 0 [pid 3846] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3847] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3846] rt_sigprocmask(SIG_BLOCK, ~[], [pid 3847] <... sendmsg resumed>) = 0 [pid 3846] <... rt_sigprocmask resumed>[], 8) = 0 [pid 3846] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3847] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3846] <... clone3 resumed> => {parent_tid=[3848]}, 88) = 3848 [pid 3847] <... sendmsg resumed>) = 0 [pid 3846] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3847] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3846] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3847] <... sendmsg resumed>) = 0 [pid 3846] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3847] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0./strace-static-x86_64: Process 3848 attached ) = 0 [pid 3847] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3848] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3848] rt_sigprocmask(SIG_SETMASK, [], [pid 3847] <... sendmsg resumed>) = 0 [pid 3848] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3848] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 3847] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3848] <... setsockopt resumed>) = 0 [pid 3848] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3846] <... futex resumed>) = 0 [pid 3848] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3847] <... sendmsg resumed>) = 0 [pid 3847] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3847] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3847] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3847] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3847] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3847] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3847] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3847] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3847] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3847] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3847] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3847] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3847] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3847] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3847] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3847] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3847] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3847] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3847] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3847] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3847] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3847] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3847] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3847] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3847] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3847] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3847] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3847] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3846] exit_group(0 [pid 3847] <... futex resumed>) = ? [pid 3846] <... exit_group resumed>) = ? [pid 3848] <... futex resumed>) = 231 [pid 3847] +++ exited with 0 +++ [pid 3848] +++ exited with 0 +++ [pid 3846] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3846, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3849 ./strace-static-x86_64: Process 3849 attached [pid 3849] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3849] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3849] setpgid(0, 0) = 0 [pid 3849] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3849] write(3, "1000", 4) = 4 [pid 3849] close(3) = 0 [pid 3849] write(1, "executing program\n", 18executing program ) = 18 [pid 3849] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3849] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3849] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3849] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3849] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3849] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3849] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[3850]}, 88) = 3850 [pid 3849] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3849] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3849] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3850 attached [pid 3850] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3850] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3850] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3850] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3849] <... futex resumed>) = 0 [pid 3849] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3849] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3849] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3849] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3849] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3849] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[3851]}, 88) = 3851 [pid 3850] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3849] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 3851 attached [pid 3850] <... sendmsg resumed>) = 0 [pid 3849] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3849] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3849] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3851] set_robust_list(0x7f857e3e29a0, 24 [pid 3850] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3851] <... set_robust_list resumed>) = 0 [pid 3850] <... sendmsg resumed>) = 0 [pid 3851] rt_sigprocmask(SIG_SETMASK, [], [pid 3850] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3851] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3850] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3851] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 3850] <... sendmsg resumed>) = 0 [pid 3851] <... setsockopt resumed>) = 0 [pid 3850] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3850] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3850] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3850] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3850] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3850] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3850] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3850] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3850] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3850] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3850] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3850] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3850] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3850] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3850] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3850] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3850] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3850] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3850] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3850] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3850] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3850] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3850] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3850] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3850] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3850] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3850] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3850] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3850] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3850] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3850] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3851] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3849] <... futex resumed>) = 0 [pid 3849] exit_group(0 [pid 3850] <... futex resumed>) = ? [pid 3849] <... exit_group resumed>) = ? [pid 3850] +++ exited with 0 +++ [pid 3851] +++ exited with 0 +++ [pid 3849] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3849, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3852 ./strace-static-x86_64: Process 3852 attached [pid 3852] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3852] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3852] setpgid(0, 0) = 0 [pid 3852] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3852] write(3, "1000", 4) = 4 [pid 3852] close(3executing program ) = 0 [pid 3852] write(1, "executing program\n", 18) = 18 [pid 3852] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3852] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3852] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3852] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3852] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3852] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3852] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[3853]}, 88) = 3853 [pid 3852] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3852] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3852] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3853 attached [pid 3853] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3853] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3853] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3853] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3852] <... futex resumed>) = 0 [pid 3852] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3852] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3852] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3852] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3852] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3852] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[3854]}, 88) = 3854 [pid 3852] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3852] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3852] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3854 attached [pid 3854] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3854] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3854] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3854] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3852] <... futex resumed>) = 0 [pid 3854] <... futex resumed>) = 1 [pid 3854] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3853] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3853] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3853] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3853] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3853] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3853] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3853] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3853] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3853] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3853] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3853] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3853] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3853] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3853] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3853] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3853] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3853] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3853] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3853] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3853] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3853] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3853] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3853] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3853] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3853] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3853] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3853] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3853] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3853] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3853] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3853] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3853] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3853] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3853] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3853] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3852] exit_group(0) = ? [pid 3854] <... futex resumed>) = ? [pid 3854] +++ exited with 0 +++ [pid 3853] <... futex resumed>) = ? [pid 3853] +++ exited with 0 +++ [pid 3852] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3852, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3855 attached , child_tidptr=0x55555bbac690) = 3855 [pid 3855] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3855] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3855] setpgid(0, 0) = 0 [pid 3855] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3855] write(3, "1000", 4) = 4 [pid 3855] close(3) = 0 executing program [pid 3855] write(1, "executing program\n", 18) = 18 [pid 3855] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3855] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3855] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3855] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3855] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3855] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3855] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3856 attached [pid 3856] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3856] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3856] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3855] <... clone3 resumed> => {parent_tid=[3856]}, 88) = 3856 [pid 3855] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3855] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3856] <... futex resumed>) = 0 [pid 3855] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3856] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3856] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3856] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3855] <... futex resumed>) = 0 [pid 3855] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3856] <... futex resumed>) = 0 [pid 3855] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3856] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3856] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3856] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3856] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3856] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3856] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3856] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3856] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3856] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3856] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3856] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3856] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3856] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3856] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3856] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3856] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3856] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3856] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3856] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3856] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3855] <... futex resumed>) = 0 [pid 3855] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3856] <... sendmsg resumed>) = 0 [pid 3856] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3855] <... mmap resumed>) = 0x7f857e3c2000 [pid 3855] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3856] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3855] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3856] <... sendmsg resumed>) = 0 [pid 3855] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3856] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3856] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3855] <... clone3 resumed> => {parent_tid=[3857]}, 88) = 3857 [pid 3855] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3856] <... sendmsg resumed>) = 0 [pid 3856] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3855] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3855] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3856] <... sendmsg resumed>) = 0 [pid 3856] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3856] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3856] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3856] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3856] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3856] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3856] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3856] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3856] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3856] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 3857 attached [pid 3857] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3857] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3857] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3857] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3857] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3855] <... futex resumed>) = 0 [pid 3855] exit_group(0) = ? [pid 3856] <... futex resumed>) = ? [pid 3856] +++ exited with 0 +++ [pid 3857] <... futex resumed>) = ? [pid 3857] +++ exited with 0 +++ [pid 3855] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3855, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3858 attached , child_tidptr=0x55555bbac690) = 3858 [pid 3858] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3858] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3858] setpgid(0, 0) = 0 [pid 3858] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3858] write(3, "1000", 4) = 4 [pid 3858] close(3) = 0 [pid 3858] write(1, "executing program\n", 18executing program ) = 18 [pid 3858] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3858] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3858] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3858] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3858] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3858] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3858] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3859 attached => {parent_tid=[3859]}, 88) = 3859 [pid 3859] set_robust_list(0x7f857e4039a0, 24 [pid 3858] rt_sigprocmask(SIG_SETMASK, [], [pid 3859] <... set_robust_list resumed>) = 0 [pid 3858] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3858] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 3859] rt_sigprocmask(SIG_SETMASK, [], [pid 3858] <... futex resumed>) = 0 [pid 3859] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3858] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3859] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3859] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3858] <... futex resumed>) = 0 [pid 3858] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3858] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3858] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3858] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3858] rt_sigprocmask(SIG_BLOCK, ~[], [pid 3859] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3858] <... rt_sigprocmask resumed>[], 8) = 0 [pid 3858] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3859] <... sendmsg resumed>) = 0 [pid 3858] <... clone3 resumed> => {parent_tid=[3860]}, 88) = 3860 [pid 3858] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3858] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3858] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3860 attached [pid 3860] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3860] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3860] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3860] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3858] <... futex resumed>) = 0 [pid 3860] <... futex resumed>) = 1 [pid 3860] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3859] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3859] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3859] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3859] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3859] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3859] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3859] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3859] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3859] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3859] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3859] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3859] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3859] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3859] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3859] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3859] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3859] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3859] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3859] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3859] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3859] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3859] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3859] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3859] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3859] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3859] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3859] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3859] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3859] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3859] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3859] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3859] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3859] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3859] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3858] exit_group(0 [pid 3859] <... futex resumed>) = ? [pid 3860] <... futex resumed>) = 231 [pid 3858] <... exit_group resumed>) = ? [pid 3859] +++ exited with 0 +++ [pid 3860] +++ exited with 0 +++ [pid 3858] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3858, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3861 ./strace-static-x86_64: Process 3861 attached [pid 3861] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3861] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3861] setpgid(0, 0) = 0 [pid 3861] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3861] write(3, "1000", 4) = 4 [pid 3861] close(3) = 0 [pid 3861] write(1, "executing program\n", 18executing program ) = 18 [pid 3861] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3861] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3861] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3861] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3861] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3861] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3861] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3862 attached => {parent_tid=[3862]}, 88) = 3862 [pid 3862] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3862] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3862] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3861] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3861] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3862] <... futex resumed>) = 0 [pid 3861] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3862] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3862] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3862] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3861] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3861] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3862] <... futex resumed>) = 0 [pid 3862] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3862] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3862] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3862] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3862] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3861] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3862] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3862] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3861] <... futex resumed>) = 0 [pid 3862] <... sendmsg resumed>) = 0 [pid 3862] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3862] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3862] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3862] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3861] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3862] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3862] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3861] <... mmap resumed>) = 0x7f857e3c2000 [pid 3861] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 3862] <... sendmsg resumed>) = 0 [pid 3861] <... mprotect resumed>) = 0 [pid 3862] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3861] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3861] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3862] <... sendmsg resumed>) = 0 [pid 3862] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3862] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0./strace-static-x86_64: Process 3863 attached [pid 3861] <... clone3 resumed> => {parent_tid=[3863]}, 88) = 3863 [pid 3861] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3861] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3861] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3863] set_robust_list(0x7f857e3e29a0, 24 [pid 3862] <... sendmsg resumed>) = 0 [pid 3862] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3862] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3862] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3862] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3863] <... set_robust_list resumed>) = 0 [pid 3862] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3862] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3862] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3862] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3862] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3862] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3862] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3863] rt_sigprocmask(SIG_SETMASK, [], [pid 3862] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3862] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3862] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3862] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3862] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3862] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3862] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3862] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3863] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3863] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3863] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3861] <... futex resumed>) = 0 [pid 3863] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3861] exit_group(0) = ? [pid 3863] <... futex resumed>) = ? [pid 3862] <... futex resumed>) = ? [pid 3862] +++ exited with 0 +++ [pid 3863] +++ exited with 0 +++ [pid 3861] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3861, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3864 attached [pid 3864] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3864] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 524] <... clone resumed>, child_tidptr=0x55555bbac690) = 3864 [pid 3864] <... prctl resumed>) = 0 [pid 3864] setpgid(0, 0) = 0 [pid 3864] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3864] write(3, "1000", 4) = 4 [pid 3864] close(3) = 0 [pid 3864] write(1, "executing program\n", 18executing program ) = 18 [pid 3864] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3864] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3864] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3864] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3864] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3864] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3864] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3865 attached => {parent_tid=[3865]}, 88) = 3865 [pid 3865] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3865] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3865] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3864] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3864] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 3865] <... futex resumed>) = 0 [pid 3864] <... futex resumed>) = 1 [pid 3865] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 3864] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3865] <... socketpair resumed>[3, 4]) = 0 [pid 3865] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3865] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3864] <... futex resumed>) = 0 [pid 3864] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3865] <... futex resumed>) = 0 [pid 3865] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3865] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3865] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3865] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3864] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3865] <... sendmsg resumed>) = 0 [pid 3864] <... futex resumed>) = 0 [pid 3865] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3864] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3865] <... sendmsg resumed>) = 0 [pid 3865] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3864] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 3865] <... sendmsg resumed>) = 0 [pid 3864] <... mprotect resumed>) = 0 [pid 3865] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3864] rt_sigprocmask(SIG_BLOCK, ~[], [pid 3865] <... sendmsg resumed>) = 0 [pid 3864] <... rt_sigprocmask resumed>[], 8) = 0 [pid 3865] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3864] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3865] <... sendmsg resumed>) = 0 ./strace-static-x86_64: Process 3866 attached [pid 3865] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3864] <... clone3 resumed> => {parent_tid=[3866]}, 88) = 3866 [pid 3866] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3866] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3866] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3865] <... sendmsg resumed>) = 0 [pid 3864] rt_sigprocmask(SIG_SETMASK, [], [pid 3865] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3864] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3865] <... sendmsg resumed>) = 0 [pid 3864] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3865] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3866] <... futex resumed>) = 0 [pid 3866] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3866] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3866] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3865] <... sendmsg resumed>) = 0 [pid 3864] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3865] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3864] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3865] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 3865] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3865] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3865] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3865] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3865] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3865] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3865] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3865] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3865] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3865] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3865] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3865] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3865] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3865] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3865] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3865] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3865] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3865] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3865] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3865] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3865] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3865] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3865] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3864] exit_group(0 [pid 3865] <... futex resumed>) = ? [pid 3864] <... exit_group resumed>) = ? [pid 3865] +++ exited with 0 +++ [pid 3866] <... futex resumed>) = ? [pid 3866] +++ exited with 0 +++ [pid 3864] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3864, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3867 ./strace-static-x86_64: Process 3867 attached [pid 3867] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3867] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3867] setpgid(0, 0) = 0 [pid 3867] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3867] write(3, "1000", 4) = 4 [pid 3867] close(3) = 0 executing program [pid 3867] write(1, "executing program\n", 18) = 18 [pid 3867] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3867] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3867] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3867] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3867] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3867] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3867] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3868 attached => {parent_tid=[3868]}, 88) = 3868 [pid 3868] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3868] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3868] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3867] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3867] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 3868] <... futex resumed>) = 0 [pid 3867] <... futex resumed>) = 1 [pid 3868] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 3867] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3868] <... socketpair resumed>[3, 4]) = 0 [pid 3868] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3867] <... futex resumed>) = 0 [pid 3867] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3867] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3867] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3867] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3867] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3867] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[3869]}, 88) = 3869 [pid 3868] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0./strace-static-x86_64: Process 3869 attached [pid 3869] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3869] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3869] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3867] rt_sigprocmask(SIG_SETMASK, [], [pid 3868] <... sendmsg resumed>) = 0 [pid 3868] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3867] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3867] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 3868] <... sendmsg resumed>) = 0 [pid 3867] <... futex resumed>) = 1 [pid 3869] <... futex resumed>) = 0 [pid 3867] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3868] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3869] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3869] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3869] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3867] <... futex resumed>) = 0 [pid 3868] <... sendmsg resumed>) = 0 [pid 3868] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3868] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3868] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3868] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3868] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3868] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3868] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3868] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3868] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3868] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3868] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3868] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3868] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3868] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3868] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3868] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3868] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3868] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3868] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3868] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3868] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3868] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3868] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3868] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3868] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3868] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3868] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3868] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3868] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3868] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3868] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3868] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3867] exit_group(0 [pid 3868] <... futex resumed>) = ? [pid 3867] <... exit_group resumed>) = ? [pid 3868] +++ exited with 0 +++ [pid 3869] <... futex resumed>) = ? [pid 3869] +++ exited with 0 +++ [pid 3867] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3867, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3870 attached , child_tidptr=0x55555bbac690) = 3870 [pid 3870] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3870] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3870] setpgid(0, 0) = 0 [pid 3870] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3870] write(3, "1000", 4) = 4 [pid 3870] close(3) = 0 [pid 3870] write(1, "executing program\n", 18executing program ) = 18 [pid 3870] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3870] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3870] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3870] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3870] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3870] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3870] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3871 attached => {parent_tid=[3871]}, 88) = 3871 [pid 3871] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3871] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3871] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3870] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3870] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3871] <... futex resumed>) = 0 [pid 3870] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3871] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3871] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3871] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3870] <... futex resumed>) = 0 [pid 3870] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 3871] <... futex resumed>) = 0 [pid 3870] <... futex resumed>) = 1 [pid 3871] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3870] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3871] <... sendmsg resumed>) = 0 [pid 3870] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3871] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3870] <... mmap resumed>) = 0x7f857e3c2000 [pid 3871] <... sendmsg resumed>) = 0 [pid 3871] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3870] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 3871] <... sendmsg resumed>) = 0 [pid 3870] <... mprotect resumed>) = 0 [pid 3871] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3870] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3871] <... sendmsg resumed>) = 0 [pid 3870] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3871] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3871] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3871] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3870] <... clone3 resumed> => {parent_tid=[3872]}, 88) = 3872 [pid 3870] rt_sigprocmask(SIG_SETMASK, [], [pid 3871] <... sendmsg resumed>) = 0 [pid 3870] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3871] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3870] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 3871] <... sendmsg resumed>) = 0 [pid 3871] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3871] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3870] <... futex resumed>) = 0 [pid 3871] <... sendmsg resumed>) = 0 [pid 3870] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3872 attached [pid 3871] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3871] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3871] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3871] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3871] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3871] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3871] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3871] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3871] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3871] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3871] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3871] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3872] set_robust_list(0x7f857e3e29a0, 24 [pid 3871] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3871] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3871] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3871] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3871] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3871] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3871] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3871] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3871] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3871] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3871] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3871] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3871] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3872] <... set_robust_list resumed>) = 0 [pid 3872] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3872] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3872] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3870] <... futex resumed>) = 0 [pid 3872] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3870] exit_group(0) = ? [pid 3871] <... futex resumed>) = ? [pid 3871] +++ exited with 0 +++ [pid 3872] <... futex resumed>) = ? [pid 3872] +++ exited with 0 +++ [pid 3870] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3870, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3873 attached , child_tidptr=0x55555bbac690) = 3873 [pid 3873] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3873] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3873] setpgid(0, 0) = 0 [pid 3873] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3873] write(3, "1000", 4) = 4 [pid 3873] close(3) = 0 executing program [pid 3873] write(1, "executing program\n", 18) = 18 [pid 3873] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3873] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3873] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3873] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3873] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3873] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3873] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[3874]}, 88) = 3874 [pid 3873] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3873] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3873] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3874 attached [pid 3874] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3874] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3874] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3874] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3873] <... futex resumed>) = 0 [pid 3873] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3873] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3873] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3873] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3873] rt_sigprocmask(SIG_BLOCK, ~[], [pid 3874] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3873] <... rt_sigprocmask resumed>[], 8) = 0 [pid 3873] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3874] <... sendmsg resumed>) = 0 [pid 3874] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 ./strace-static-x86_64: Process 3875 attached [pid 3874] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3875] set_robust_list(0x7f857e3e29a0, 24 [pid 3873] <... clone3 resumed> => {parent_tid=[3875]}, 88) = 3875 [pid 3874] <... sendmsg resumed>) = 0 [pid 3875] <... set_robust_list resumed>) = 0 [pid 3874] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3873] rt_sigprocmask(SIG_SETMASK, [], [pid 3875] rt_sigprocmask(SIG_SETMASK, [], [pid 3874] <... sendmsg resumed>) = 0 [pid 3873] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3875] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3874] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3873] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 3875] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 3874] <... sendmsg resumed>) = 0 [pid 3873] <... futex resumed>) = 0 [pid 3875] <... setsockopt resumed>) = 0 [pid 3874] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3875] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3873] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3875] <... futex resumed>) = 0 [pid 3874] <... sendmsg resumed>) = 0 [pid 3875] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3873] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3874] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3874] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3874] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3874] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3874] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3874] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3874] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3874] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3874] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3874] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3874] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3874] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3874] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3874] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3874] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3874] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3874] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3874] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3874] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3874] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3874] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3874] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3874] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3874] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3874] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3874] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3874] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3874] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3874] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3873] exit_group(0 [pid 3875] <... futex resumed>) = ? [pid 3874] <... futex resumed>) = ? [pid 3873] <... exit_group resumed>) = ? [pid 3875] +++ exited with 0 +++ [pid 3874] +++ exited with 0 +++ [pid 3873] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3873, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3876 attached , child_tidptr=0x55555bbac690) = 3876 [pid 3876] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3876] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3876] setpgid(0, 0) = 0 [pid 3876] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3876] write(3, "1000", 4) = 4 [pid 3876] close(3executing program ) = 0 [pid 3876] write(1, "executing program\n", 18) = 18 [pid 3876] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3876] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3876] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3876] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3876] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3876] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3876] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3877 attached => {parent_tid=[3877]}, 88) = 3877 [pid 3877] set_robust_list(0x7f857e4039a0, 24 [pid 3876] rt_sigprocmask(SIG_SETMASK, [], [pid 3877] <... set_robust_list resumed>) = 0 [pid 3876] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3877] rt_sigprocmask(SIG_SETMASK, [], [pid 3876] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 3877] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3876] <... futex resumed>) = 0 [pid 3877] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 3876] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3877] <... socketpair resumed>[3, 4]) = 0 [pid 3877] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3876] <... futex resumed>) = 0 [pid 3877] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3876] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3876] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3876] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3876] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3877] <... sendmsg resumed>) = 0 [pid 3876] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3876] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[3878]}, 88) = 3878 [pid 3877] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3876] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3876] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3876] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3878 attached [pid 3878] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3878] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3878] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3878] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3876] <... futex resumed>) = 0 [pid 3878] <... futex resumed>) = 1 [pid 3877] <... sendmsg resumed>) = 0 [pid 3878] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3877] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3877] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3877] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3877] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3877] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3877] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3877] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3877] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3877] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3877] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3877] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3877] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3877] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3877] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3877] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3877] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3877] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3877] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3877] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3877] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3877] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3877] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3877] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3877] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3877] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3877] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3877] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3877] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3877] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3877] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3877] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3877] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3877] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3876] exit_group(0 [pid 3877] <... futex resumed>) = ? [pid 3876] <... exit_group resumed>) = ? [pid 3877] +++ exited with 0 +++ [pid 3878] <... futex resumed>) = ? [pid 3878] +++ exited with 0 +++ [pid 3876] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3876, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3879 ./strace-static-x86_64: Process 3879 attached [pid 3879] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3879] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3879] setpgid(0, 0) = 0 [pid 3879] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3879] write(3, "1000", 4) = 4 [pid 3879] close(3executing program ) = 0 [pid 3879] write(1, "executing program\n", 18) = 18 [pid 3879] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3879] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3879] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3879] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3879] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3879] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3879] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[3880]}, 88) = 3880 ./strace-static-x86_64: Process 3880 attached [pid 3879] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3879] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3879] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3880] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3880] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3880] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3880] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3879] <... futex resumed>) = 0 [pid 3880] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3879] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 3880] <... sendmsg resumed>) = 0 [pid 3879] <... futex resumed>) = 0 [pid 3880] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3879] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3880] <... sendmsg resumed>) = 0 [pid 3879] <... futex resumed>) = 0 [pid 3880] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3879] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3880] <... sendmsg resumed>) = 0 [pid 3879] <... mmap resumed>) = 0x7f857e3c2000 [pid 3880] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3879] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 3880] <... sendmsg resumed>) = 0 [pid 3879] <... mprotect resumed>) = 0 [pid 3880] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3879] rt_sigprocmask(SIG_BLOCK, ~[], [pid 3880] <... sendmsg resumed>) = 0 [pid 3879] <... rt_sigprocmask resumed>[], 8) = 0 [pid 3880] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3879] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3880] <... sendmsg resumed>) = 0 [pid 3880] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3879] <... clone3 resumed> => {parent_tid=[3881]}, 88) = 3881 [pid 3880] <... sendmsg resumed>) = 0 [pid 3879] rt_sigprocmask(SIG_SETMASK, [], [pid 3880] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3879] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3880] <... sendmsg resumed>) = 0 [pid 3879] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 3880] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3879] <... futex resumed>) = 0 [pid 3880] <... sendmsg resumed>) = 0 [pid 3879] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3880] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3880] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3880] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3880] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3880] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 ./strace-static-x86_64: Process 3881 attached [pid 3881] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3881] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3881] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3881] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3879] <... futex resumed>) = 0 [pid 3881] <... futex resumed>) = 1 [pid 3881] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3880] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3880] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3880] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3880] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3880] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3880] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3880] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3880] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3880] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3880] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3880] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3880] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3880] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3880] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3880] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3880] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3880] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3880] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3880] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3880] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3880] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3879] exit_group(0) = ? [pid 3881] <... futex resumed>) = ? [pid 3880] <... futex resumed>) = ? [pid 3880] +++ exited with 0 +++ [pid 3881] +++ exited with 0 +++ [pid 3879] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3879, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3882 attached , child_tidptr=0x55555bbac690) = 3882 [pid 3882] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3882] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3882] setpgid(0, 0) = 0 [pid 3882] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3882] write(3, "1000", 4) = 4 [pid 3882] close(3) = 0 executing program [pid 3882] write(1, "executing program\n", 18) = 18 [pid 3882] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3882] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3882] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3882] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3882] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3882] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3882] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3883 attached [pid 3883] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3883] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3883] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3882] <... clone3 resumed> => {parent_tid=[3883]}, 88) = 3883 [pid 3882] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3882] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3883] <... futex resumed>) = 0 [pid 3883] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 3882] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3883] <... socketpair resumed>[3, 4]) = 0 [pid 3883] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3883] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3882] <... futex resumed>) = 0 [pid 3882] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3883] <... futex resumed>) = 0 [pid 3883] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3882] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3883] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3883] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3883] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3883] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3883] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3882] <... futex resumed>) = 0 [pid 3882] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3883] <... sendmsg resumed>) = 0 [pid 3882] <... mmap resumed>) = 0x7f857e3c2000 [pid 3883] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3882] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 3883] <... sendmsg resumed>) = 0 [pid 3882] <... mprotect resumed>) = 0 [pid 3883] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3882] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3882] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3883] <... sendmsg resumed>) = 0 [pid 3883] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3883] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3882] <... clone3 resumed> => {parent_tid=[3884]}, 88) = 3884 [pid 3882] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3882] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 3883] <... sendmsg resumed>) = 0 [pid 3882] <... futex resumed>) = 0 [pid 3883] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3882] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3883] <... sendmsg resumed>) = 0 [pid 3883] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3883] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0./strace-static-x86_64: Process 3884 attached ) = 0 [pid 3883] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3884] set_robust_list(0x7f857e3e29a0, 24 [pid 3883] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3883] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3883] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3883] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3883] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3883] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3883] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3884] <... set_robust_list resumed>) = 0 [pid 3883] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3883] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3883] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3883] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3883] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3883] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3883] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3883] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3883] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3883] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3883] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3883] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3883] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3884] rt_sigprocmask(SIG_SETMASK, [], [pid 3883] <... futex resumed>) = 0 [pid 3884] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3883] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3884] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3884] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3882] <... futex resumed>) = 0 [pid 3882] exit_group(0) = ? [pid 3883] <... futex resumed>) = ? [pid 3884] +++ exited with 0 +++ [pid 3883] +++ exited with 0 +++ [pid 3882] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3882, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3885 attached , child_tidptr=0x55555bbac690) = 3885 [pid 3885] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3885] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3885] setpgid(0, 0) = 0 [pid 3885] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3885] write(3, "1000", 4) = 4 [pid 3885] close(3) = 0 [pid 3885] write(1, "executing program\n", 18executing program ) = 18 [pid 3885] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3885] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3885] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3885] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3885] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3885] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3885] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[3886]}, 88) = 3886 ./strace-static-x86_64: Process 3886 attached [pid 3885] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3885] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3885] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3886] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3886] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3886] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3886] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3885] <... futex resumed>) = 0 [pid 3885] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3885] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3886] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3885] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3886] <... sendmsg resumed>) = 0 [pid 3885] <... mmap resumed>) = 0x7f857e3c2000 [pid 3886] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3885] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 3886] <... sendmsg resumed>) = 0 [pid 3885] <... mprotect resumed>) = 0 [pid 3886] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3885] rt_sigprocmask(SIG_BLOCK, ~[], [pid 3886] <... sendmsg resumed>) = 0 [pid 3885] <... rt_sigprocmask resumed>[], 8) = 0 [pid 3886] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3885] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3886] <... sendmsg resumed>) = 0 ./strace-static-x86_64: Process 3887 attached [pid 3886] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3885] <... clone3 resumed> => {parent_tid=[3887]}, 88) = 3887 [pid 3887] set_robust_list(0x7f857e3e29a0, 24 [pid 3886] <... sendmsg resumed>) = 0 [pid 3885] rt_sigprocmask(SIG_SETMASK, [], [pid 3886] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3885] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3886] <... sendmsg resumed>) = 0 [pid 3885] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 3886] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3885] <... futex resumed>) = 0 [pid 3887] <... set_robust_list resumed>) = 0 [pid 3886] <... sendmsg resumed>) = 0 [pid 3885] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3887] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3887] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3887] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3887] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3886] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3886] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3886] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3886] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3886] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3886] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3886] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3886] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3886] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3885] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3886] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3886] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3886] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3886] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3886] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3886] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3886] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3886] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3886] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3886] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3886] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3886] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3886] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3886] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3886] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3886] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3886] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3886] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3886] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3885] exit_group(0 [pid 3887] <... futex resumed>) = ? [pid 3886] <... futex resumed>) = ? [pid 3885] <... exit_group resumed>) = ? [pid 3887] +++ exited with 0 +++ [pid 3886] +++ exited with 0 +++ [pid 3885] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3885, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3888 attached , child_tidptr=0x55555bbac690) = 3888 [pid 3888] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3888] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3888] setpgid(0, 0) = 0 [pid 3888] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3888] write(3, "1000", 4) = 4 [pid 3888] close(3) = 0 executing program [pid 3888] write(1, "executing program\n", 18) = 18 [pid 3888] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3888] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3888] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3888] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3888] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3888] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3888] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3889 attached [pid 3889] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3889] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3889] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3888] <... clone3 resumed> => {parent_tid=[3889]}, 88) = 3889 [pid 3888] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3888] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3889] <... futex resumed>) = 0 [pid 3889] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 3888] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3889] <... socketpair resumed>[3, 4]) = 0 [pid 3889] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3889] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3888] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3888] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3889] <... futex resumed>) = 0 [pid 3888] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3889] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3888] <... futex resumed>) = 0 [pid 3888] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3889] <... sendmsg resumed>) = 0 [pid 3888] <... mmap resumed>) = 0x7f857e3c2000 [pid 3889] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3888] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 3889] <... sendmsg resumed>) = 0 [pid 3888] <... mprotect resumed>) = 0 [pid 3889] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3888] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3888] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3889] <... sendmsg resumed>) = 0 [pid 3889] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3889] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3888] <... clone3 resumed> => {parent_tid=[3890]}, 88) = 3890 [pid 3889] <... sendmsg resumed>) = 0 [pid 3888] rt_sigprocmask(SIG_SETMASK, [], [pid 3889] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3888] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3888] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3889] <... sendmsg resumed>) = 0 [pid 3888] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3889] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3889] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3889] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0./strace-static-x86_64: Process 3890 attached ) = 0 [pid 3889] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3889] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3889] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3890] set_robust_list(0x7f857e3e29a0, 24 [pid 3889] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3889] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3889] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3889] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3889] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3890] <... set_robust_list resumed>) = 0 [pid 3889] <... sendmsg resumed>) = 0 [pid 3889] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3889] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3889] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3889] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3890] rt_sigprocmask(SIG_SETMASK, [], [pid 3889] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3890] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3889] <... sendmsg resumed>) = 0 [pid 3889] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3889] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3889] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3889] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3889] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3889] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3889] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3890] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 3889] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3889] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3889] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3889] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3890] <... setsockopt resumed>) = 0 [pid 3889] <... sendmsg resumed>) = 0 [pid 3890] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3889] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3889] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3890] <... futex resumed>) = 1 [pid 3888] <... futex resumed>) = 0 [pid 3890] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3888] exit_group(0) = ? [pid 3890] <... futex resumed>) = ? [pid 3890] +++ exited with 0 +++ [pid 3889] <... futex resumed>) = ? [pid 3889] +++ exited with 0 +++ [pid 3888] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3888, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3891 ./strace-static-x86_64: Process 3891 attached [pid 3891] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3891] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3891] setpgid(0, 0) = 0 [pid 3891] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 executing program [pid 3891] write(3, "1000", 4) = 4 [pid 3891] close(3) = 0 [pid 3891] write(1, "executing program\n", 18) = 18 [pid 3891] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3891] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3891] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3891] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3891] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3891] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3891] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[3892]}, 88) = 3892 [pid 3891] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3891] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3891] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3892 attached [pid 3892] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3892] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3892] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3892] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3891] <... futex resumed>) = 0 [pid 3891] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3891] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3891] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3891] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3891] rt_sigprocmask(SIG_BLOCK, ~[], [pid 3892] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3891] <... rt_sigprocmask resumed>[], 8) = 0 [pid 3891] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[3893]}, 88) = 3893 ./strace-static-x86_64: Process 3893 attached [pid 3892] <... sendmsg resumed>) = 0 [pid 3891] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3891] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3891] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3893] set_robust_list(0x7f857e3e29a0, 24 [pid 3892] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3892] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3892] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3892] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3892] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3892] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3892] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3892] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3892] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3892] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3892] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3892] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3892] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3893] <... set_robust_list resumed>) = 0 [pid 3892] <... sendmsg resumed>) = 0 [pid 3892] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3893] rt_sigprocmask(SIG_SETMASK, [], [pid 3892] <... sendmsg resumed>) = 0 [pid 3893] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3892] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3893] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 3892] <... sendmsg resumed>) = 0 [pid 3893] <... setsockopt resumed>) = 0 [pid 3892] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3893] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3892] <... sendmsg resumed>) = 0 [pid 3893] <... futex resumed>) = 1 [pid 3892] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3891] <... futex resumed>) = 0 [pid 3892] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 3892] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3892] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3892] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3892] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3892] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3892] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3892] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3892] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3892] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3892] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3892] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3892] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3892] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3892] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3892] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3892] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3892] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3891] exit_group(0 [pid 3892] <... futex resumed>) = ? [pid 3891] <... exit_group resumed>) = ? [pid 3892] +++ exited with 0 +++ [pid 3893] +++ exited with 0 +++ [pid 3891] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3891, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3894 ./strace-static-x86_64: Process 3894 attached [pid 3894] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3894] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3894] setpgid(0, 0) = 0 [pid 3894] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3894] write(3, "1000", 4) = 4 [pid 3894] close(3) = 0 [pid 3894] write(1, "executing program\n", 18executing program ) = 18 [pid 3894] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3894] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3894] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3894] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3894] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3894] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3894] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3895 attached [pid 3895] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3895] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3895] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3894] <... clone3 resumed> => {parent_tid=[3895]}, 88) = 3895 [pid 3894] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3894] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3895] <... futex resumed>) = 0 [pid 3895] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 3894] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3895] <... socketpair resumed>[3, 4]) = 0 [pid 3895] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3895] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3894] <... futex resumed>) = 0 [pid 3894] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3895] <... futex resumed>) = 0 [pid 3894] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3895] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3895] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3895] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3895] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3895] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3895] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3895] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3895] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3895] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3895] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3894] <... futex resumed>) = 0 [pid 3895] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3895] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3894] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3895] <... sendmsg resumed>) = 0 [pid 3894] <... mmap resumed>) = 0x7f857e3c2000 [pid 3895] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3894] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 3895] <... sendmsg resumed>) = 0 [pid 3894] <... mprotect resumed>) = 0 [pid 3895] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3895] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3894] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3894] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3895] <... sendmsg resumed>) = 0 [pid 3895] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3895] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3895] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3894] <... clone3 resumed> => {parent_tid=[3896]}, 88) = 3896 [pid 3894] rt_sigprocmask(SIG_SETMASK, [], [pid 3895] <... sendmsg resumed>) = 0 [pid 3894] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3895] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3894] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3894] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3895] <... sendmsg resumed>) = 0 [pid 3895] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3895] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3895] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3895] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3895] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3895] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3895] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3895] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3895] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3895] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3895] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3895] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3895] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0./strace-static-x86_64: Process 3896 attached ) = 0 [pid 3895] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3896] set_robust_list(0x7f857e3e29a0, 24 [pid 3895] <... sendmsg resumed>) = 0 [pid 3895] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3895] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3896] <... set_robust_list resumed>) = 0 [pid 3896] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3896] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3896] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3894] <... futex resumed>) = 0 [pid 3894] exit_group(0) = ? [pid 3895] <... futex resumed>) = ? [pid 3895] +++ exited with 0 +++ [pid 3896] +++ exited with 0 +++ [pid 3894] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3894, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3897 ./strace-static-x86_64: Process 3897 attached [pid 3897] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3897] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3897] setpgid(0, 0) = 0 [pid 3897] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3897] write(3, "1000", 4) = 4 executing program [pid 3897] close(3) = 0 [pid 3897] write(1, "executing program\n", 18) = 18 [pid 3897] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3897] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3897] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3897] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3897] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3897] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3897] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[3898]}, 88) = 3898 ./strace-static-x86_64: Process 3898 attached [pid 3897] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3897] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3897] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3898] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3898] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3898] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3898] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3897] <... futex resumed>) = 0 [pid 3897] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3897] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3897] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3897] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3897] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3897] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0}./strace-static-x86_64: Process 3899 attached [pid 3898] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3899] set_robust_list(0x7f857e3e29a0, 24 [pid 3897] <... clone3 resumed> => {parent_tid=[3899]}, 88) = 3899 [pid 3897] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3897] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3897] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3899] <... set_robust_list resumed>) = 0 [pid 3899] rt_sigprocmask(SIG_SETMASK, [], [pid 3898] <... sendmsg resumed>) = 0 [pid 3898] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3898] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3898] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3898] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3898] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3898] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3898] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3898] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3898] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3898] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3898] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3898] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3898] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3898] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3898] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3898] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3898] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3898] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3898] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3898] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3898] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3898] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3898] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3898] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3898] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3898] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3898] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3898] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3898] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3898] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3898] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3898] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3898] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3898] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3899] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3899] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3899] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3897] <... futex resumed>) = 0 [pid 3897] exit_group(0 [pid 3898] <... futex resumed>) = ? [pid 3897] <... exit_group resumed>) = ? [pid 3898] +++ exited with 0 +++ [pid 3899] +++ exited with 0 +++ [pid 3897] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3897, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3900 ./strace-static-x86_64: Process 3900 attached [pid 3900] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3900] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3900] setpgid(0, 0) = 0 [pid 3900] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3900] write(3, "1000", 4) = 4 [pid 3900] close(3executing program ) = 0 [pid 3900] write(1, "executing program\n", 18) = 18 [pid 3900] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3900] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3900] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3900] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3900] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3900] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3900] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[3901]}, 88) = 3901 [pid 3900] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3900] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3900] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3901 attached [pid 3901] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3901] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3901] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3901] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3900] <... futex resumed>) = 0 [pid 3900] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3900] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3900] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3900] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3901] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3900] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3900] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[3902]}, 88) = 3902 [pid 3901] <... sendmsg resumed>) = 0 [pid 3900] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3900] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3900] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3902 attached [pid 3902] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3902] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3902] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3902] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3900] <... futex resumed>) = 0 [pid 3902] <... futex resumed>) = 1 [pid 3901] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3902] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3901] <... sendmsg resumed>) = 0 [pid 3901] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3901] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3901] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3901] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3901] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3901] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3901] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3901] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3901] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3901] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3901] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3901] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3901] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3901] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3901] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3901] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3901] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3901] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3901] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3901] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3901] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3901] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3901] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3901] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3901] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3901] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3901] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3901] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3901] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3901] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3901] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3901] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3901] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3900] exit_group(0 [pid 3902] <... futex resumed>) = ? [pid 3901] <... futex resumed>) = ? [pid 3900] <... exit_group resumed>) = ? [pid 3902] +++ exited with 0 +++ [pid 3901] +++ exited with 0 +++ [pid 3900] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3900, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3903 ./strace-static-x86_64: Process 3903 attached [pid 3903] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3903] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3903] setpgid(0, 0) = 0 [pid 3903] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3903] write(3, "1000", 4) = 4 [pid 3903] close(3) = 0 executing program [pid 3903] write(1, "executing program\n", 18) = 18 [pid 3903] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3903] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3903] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3903] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3903] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3903] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3903] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3904 attached [pid 3904] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3904] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3904] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3903] <... clone3 resumed> => {parent_tid=[3904]}, 88) = 3904 [pid 3903] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3903] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3904] <... futex resumed>) = 0 [pid 3904] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 3903] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3904] <... socketpair resumed>[3, 4]) = 0 [pid 3904] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3904] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3903] <... futex resumed>) = 0 [pid 3903] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3904] <... futex resumed>) = 0 [pid 3903] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3904] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3903] <... futex resumed>) = 0 [pid 3903] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3904] <... sendmsg resumed>) = 0 [pid 3903] <... mmap resumed>) = 0x7f857e3c2000 [pid 3904] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3903] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 3904] <... sendmsg resumed>) = 0 [pid 3903] <... mprotect resumed>) = 0 [pid 3903] rt_sigprocmask(SIG_BLOCK, ~[], [pid 3904] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3903] <... rt_sigprocmask resumed>[], 8) = 0 [pid 3903] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3904] <... sendmsg resumed>) = 0 [pid 3904] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3903] <... clone3 resumed> => {parent_tid=[3905]}, 88) = 3905 [pid 3903] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3904] <... sendmsg resumed>) = 0 [pid 3903] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 3904] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3903] <... futex resumed>) = 0 [pid 3903] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3904] <... sendmsg resumed>) = 0 [pid 3904] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3904] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3904] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3904] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 ./strace-static-x86_64: Process 3905 attached [pid 3904] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3904] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3904] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3905] set_robust_list(0x7f857e3e29a0, 24 [pid 3904] <... sendmsg resumed>) = 0 [pid 3904] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3904] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3905] <... set_robust_list resumed>) = 0 [pid 3904] <... sendmsg resumed>) = 0 [pid 3904] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3904] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3904] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3905] rt_sigprocmask(SIG_SETMASK, [], [pid 3904] <... sendmsg resumed>) = 0 [pid 3904] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3904] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3904] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3905] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3904] <... sendmsg resumed>) = 0 [pid 3904] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3905] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 3904] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3904] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3904] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3905] <... setsockopt resumed>) = 0 [pid 3904] <... sendmsg resumed>) = 0 [pid 3905] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3904] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3904] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3904] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3903] <... futex resumed>) = 0 [pid 3904] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3904] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3904] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3904] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3904] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3904] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3904] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3904] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3905] <... futex resumed>) = 1 [pid 3905] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3903] exit_group(0 [pid 3905] <... futex resumed>) = 231 [pid 3903] <... exit_group resumed>) = ? [pid 3904] <... futex resumed>) = ? [pid 3904] +++ exited with 0 +++ [pid 3905] +++ exited with 0 +++ [pid 3903] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3903, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3906 attached , child_tidptr=0x55555bbac690) = 3906 [pid 3906] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3906] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3906] setpgid(0, 0) = 0 [pid 3906] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3906] write(3, "1000", 4) = 4 [pid 3906] close(3executing program ) = 0 [pid 3906] write(1, "executing program\n", 18) = 18 [pid 3906] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3906] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3906] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3906] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3906] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3906] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3906] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[3907]}, 88) = 3907 [pid 3906] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3906] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3906] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3907 attached [pid 3907] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3907] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3907] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3907] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3906] <... futex resumed>) = 0 [pid 3906] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3906] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3906] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3906] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3906] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3906] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[3908]}, 88) = 3908 ./strace-static-x86_64: Process 3908 attached [pid 3907] <... futex resumed>) = 1 [pid 3906] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3906] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3906] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3908] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3908] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3908] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3908] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3906] <... futex resumed>) = 0 [pid 3908] <... futex resumed>) = 1 [pid 3907] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3908] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3907] <... sendmsg resumed>) = 0 [pid 3907] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3907] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3907] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3907] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3907] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3907] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3907] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3907] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3907] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3907] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3907] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3907] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3907] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3907] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3907] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3907] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3907] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3907] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3907] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3907] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3907] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3907] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3907] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3907] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3907] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3907] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3907] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3907] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3907] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3907] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3907] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3907] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3907] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3907] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3906] exit_group(0 [pid 3907] <... futex resumed>) = ? [pid 3906] <... exit_group resumed>) = ? [pid 3907] +++ exited with 0 +++ [pid 3908] <... futex resumed>) = ? [pid 3908] +++ exited with 0 +++ [pid 3906] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3906, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3909 ./strace-static-x86_64: Process 3909 attached [pid 3909] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3909] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3909] setpgid(0, 0) = 0 [pid 3909] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3909] write(3, "1000", 4) = 4 [pid 3909] close(3executing program ) = 0 [pid 3909] write(1, "executing program\n", 18) = 18 [pid 3909] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3909] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3909] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3909] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3909] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3909] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3909] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3910 attached [pid 3910] set_robust_list(0x7f857e4039a0, 24 [pid 3909] <... clone3 resumed> => {parent_tid=[3910]}, 88) = 3910 [pid 3909] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3909] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3909] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3910] <... set_robust_list resumed>) = 0 [pid 3910] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3910] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3910] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3909] <... futex resumed>) = 0 [pid 3909] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3909] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3909] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3910] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3909] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3909] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3909] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[3911]}, 88) = 3911 [pid 3909] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3909] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3909] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3911 attached [pid 3911] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3911] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3911] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3911] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3909] <... futex resumed>) = 0 [pid 3911] <... futex resumed>) = 1 [pid 3911] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3910] <... sendmsg resumed>) = 0 [pid 3910] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3910] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3910] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3910] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3910] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3910] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3910] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3910] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3910] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3910] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3910] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3910] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3910] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3910] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3910] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3910] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3910] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3910] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3910] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3910] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3910] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3910] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3910] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3910] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3910] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3910] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3910] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3910] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3910] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3910] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3910] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3910] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3910] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3910] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3909] exit_group(0 [pid 3910] <... futex resumed>) = ? [pid 3909] <... exit_group resumed>) = ? [pid 3910] +++ exited with 0 +++ [pid 3911] <... futex resumed>) = ? [pid 3911] +++ exited with 0 +++ [pid 3909] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3909, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3912 ./strace-static-x86_64: Process 3912 attached [pid 3912] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3912] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3912] setpgid(0, 0) = 0 [pid 3912] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3912] write(3, "1000", 4) = 4 [pid 3912] close(3) = 0 executing program [pid 3912] write(1, "executing program\n", 18) = 18 [pid 3912] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3912] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3912] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3912] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3912] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3912] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3912] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[3913]}, 88) = 3913 [pid 3912] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3912] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3912] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3913 attached [pid 3913] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3913] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3913] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3913] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3912] <... futex resumed>) = 0 [pid 3912] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3912] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3912] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3912] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3913] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3912] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3912] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3913] <... sendmsg resumed>) = 0 [pid 3912] <... clone3 resumed> => {parent_tid=[3914]}, 88) = 3914 ./strace-static-x86_64: Process 3914 attached [pid 3914] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3914] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3914] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3913] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3912] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3913] <... sendmsg resumed>) = 0 [pid 3913] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3912] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3913] <... sendmsg resumed>) = 0 [pid 3914] <... futex resumed>) = 0 [pid 3914] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3913] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3912] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3914] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3914] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3912] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3913] <... sendmsg resumed>) = 0 [pid 3913] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3913] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3913] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3913] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3913] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3913] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3913] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3913] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3913] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3913] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3913] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3913] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3913] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3913] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3913] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3913] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3913] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3913] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3913] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3913] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3913] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3913] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3913] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3913] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3913] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3913] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3913] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3913] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3913] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3913] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3913] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3912] exit_group(0) = ? [pid 3913] <... futex resumed>) = ? [pid 3913] +++ exited with 0 +++ [pid 3914] <... futex resumed>) = ? [pid 3914] +++ exited with 0 +++ [pid 3912] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3912, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3915 ./strace-static-x86_64: Process 3915 attached [pid 3915] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3915] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3915] setpgid(0, 0) = 0 [pid 3915] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3915] write(3, "1000", 4) = 4 [pid 3915] close(3) = 0 [pid 3915] write(1, "executing program\n", 18executing program ) = 18 [pid 3915] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3915] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3915] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3915] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3915] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3915] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3915] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3916 attached [pid 3916] set_robust_list(0x7f857e4039a0, 24 [pid 3915] <... clone3 resumed> => {parent_tid=[3916]}, 88) = 3916 [pid 3916] <... set_robust_list resumed>) = 0 [pid 3916] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3916] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3915] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3915] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3916] <... futex resumed>) = 0 [pid 3916] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 3915] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3916] <... socketpair resumed>[3, 4]) = 0 [pid 3916] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3915] <... futex resumed>) = 0 [pid 3915] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3915] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3915] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3915] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3915] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3915] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[3917]}, 88) = 3917 [pid 3915] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3915] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3915] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3917 attached [pid 3917] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3917] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3917] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3917] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3915] <... futex resumed>) = 0 [pid 3917] <... futex resumed>) = 1 [pid 3916] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3917] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3916] <... sendmsg resumed>) = 0 [pid 3916] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3916] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3916] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3916] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3916] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3916] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3916] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3916] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3916] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3916] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3916] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3916] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3916] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3916] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3916] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3916] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3916] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3916] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3916] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3916] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3916] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3916] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3916] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3916] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3916] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3916] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3916] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3916] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3916] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3916] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3916] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3916] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3916] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3916] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3915] exit_group(0) = ? [pid 3917] <... futex resumed>) = ? [pid 3917] +++ exited with 0 +++ [pid 3916] <... futex resumed>) = ? [pid 3916] +++ exited with 0 +++ [pid 3915] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3915, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3918 ./strace-static-x86_64: Process 3918 attached [pid 3918] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3918] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3918] setpgid(0, 0) = 0 [pid 3918] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3918] write(3, "1000", 4) = 4 [pid 3918] close(3) = 0 [pid 3918] write(1, "executing program\n", 18executing program ) = 18 [pid 3918] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3918] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3918] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3918] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3918] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3918] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3918] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3919 attached => {parent_tid=[3919]}, 88) = 3919 [pid 3919] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3919] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3919] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3918] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3918] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3919] <... futex resumed>) = 0 [pid 3919] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3919] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3919] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3918] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 3918] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3919] <... futex resumed>) = 0 [pid 3919] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3919] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3919] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3919] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3919] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3919] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3919] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3919] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3919] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3919] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3919] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3919] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3919] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3919] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3919] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3919] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3919] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3919] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3919] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3919] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3919] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3919] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3919] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3919] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3919] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3919] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3918] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3919] <... sendmsg resumed>) = 0 [pid 3919] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3919] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3919] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3919] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3919] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3919] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3918] <... futex resumed>) = 0 [pid 3919] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3919] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3919] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3918] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3918] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3918] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3918] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0}./strace-static-x86_64: Process 3920 attached [pid 3920] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3920] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3920] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3918] <... clone3 resumed> => {parent_tid=[3920]}, 88) = 3920 [pid 3918] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3918] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3920] <... futex resumed>) = 0 [pid 3920] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3920] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3920] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3918] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 3918] exit_group(0) = ? [pid 3919] <... futex resumed>) = ? [pid 3919] +++ exited with 0 +++ [pid 3920] <... futex resumed>) = ? [pid 3920] +++ exited with 0 +++ [pid 3918] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3918, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3921 ./strace-static-x86_64: Process 3921 attached [pid 3921] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3921] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3921] setpgid(0, 0) = 0 [pid 3921] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3921] write(3, "1000", 4) = 4 [pid 3921] close(3) = 0 [pid 3921] write(1, "executing program\n", 18executing program ) = 18 [pid 3921] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3921] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3921] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3921] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3921] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3921] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3921] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3922 attached => {parent_tid=[3922]}, 88) = 3922 [pid 3922] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3922] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3922] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3921] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3921] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3922] <... futex resumed>) = 0 [pid 3922] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 3921] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3922] <... socketpair resumed>[3, 4]) = 0 [pid 3922] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3921] <... futex resumed>) = 0 [pid 3921] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3921] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3921] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3921] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3921] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3921] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[3923]}, 88) = 3923 [pid 3921] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3921] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3921] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3923 attached [pid 3923] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3923] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3923] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3923] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3921] <... futex resumed>) = 0 [pid 3922] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3923] <... futex resumed>) = 1 [pid 3923] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3922] <... sendmsg resumed>) = 0 [pid 3922] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3922] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3922] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3922] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3922] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3922] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3922] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3922] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3922] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3922] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3922] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3922] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3922] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3922] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3922] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3922] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3922] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3922] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3922] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3922] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3922] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3922] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3922] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3922] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3922] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3922] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3922] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3922] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3922] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3922] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3922] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3922] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3922] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3922] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3921] exit_group(0 [pid 3922] <... futex resumed>) = ? [pid 3921] <... exit_group resumed>) = ? [pid 3922] +++ exited with 0 +++ [pid 3923] <... futex resumed>) = ? [pid 3923] +++ exited with 0 +++ [pid 3921] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3921, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3924 attached , child_tidptr=0x55555bbac690) = 3924 [pid 3924] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3924] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3924] setpgid(0, 0) = 0 [pid 3924] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3924] write(3, "1000", 4) = 4 [pid 3924] close(3) = 0 executing program [pid 3924] write(1, "executing program\n", 18) = 18 [pid 3924] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3924] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3924] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3924] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3924] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3924] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3924] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[3925]}, 88) = 3925 [pid 3924] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3924] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3924] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3925 attached [pid 3925] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3925] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3925] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3925] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3924] <... futex resumed>) = 0 [pid 3924] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3924] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3924] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3924] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3924] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3924] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[3926]}, 88) = 3926 [pid 3924] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3924] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3924] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3925] <... futex resumed>) = 1 [pid 3925] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3925] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3925] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3925] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3925] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3925] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3925] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3925] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3925] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3925] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3925] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3925] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3925] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3925] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3925] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3925] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3925] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3925] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3925] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3925] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3925] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3925] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3925] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3925] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3925] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3925] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 ./strace-static-x86_64: Process 3926 attached [pid 3926] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3926] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3926] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3926] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3925] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3924] <... futex resumed>) = 0 [pid 3926] <... futex resumed>) = 1 [pid 3926] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3925] <... sendmsg resumed>) = 0 [pid 3925] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3925] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3925] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3925] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3925] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3925] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3925] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3925] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3924] exit_group(0) = ? [pid 3925] <... futex resumed>) = ? [pid 3925] +++ exited with 0 +++ [pid 3926] <... futex resumed>) = ? [pid 3926] +++ exited with 0 +++ [pid 3924] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3924, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3927 ./strace-static-x86_64: Process 3927 attached [pid 3927] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3927] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3927] setpgid(0, 0) = 0 [pid 3927] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3927] write(3, "1000", 4) = 4 [pid 3927] close(3) = 0 executing program [pid 3927] write(1, "executing program\n", 18) = 18 [pid 3927] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3927] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3927] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3927] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3927] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3927] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3927] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3928 attached [pid 3928] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3928] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3928] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3927] <... clone3 resumed> => {parent_tid=[3928]}, 88) = 3928 [pid 3927] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3927] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3928] <... futex resumed>) = 0 [pid 3928] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 3927] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3928] <... socketpair resumed>[3, 4]) = 0 [pid 3928] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3927] <... futex resumed>) = 0 [pid 3928] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3927] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3927] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3928] <... sendmsg resumed>) = 0 [pid 3927] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3928] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3927] <... mmap resumed>) = 0x7f857e3c2000 [pid 3927] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 3928] <... sendmsg resumed>) = 0 [pid 3927] <... mprotect resumed>) = 0 [pid 3928] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3927] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3928] <... sendmsg resumed>) = 0 [pid 3927] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3928] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3928] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3927] <... clone3 resumed> => {parent_tid=[3929]}, 88) = 3929 [pid 3927] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3927] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3928] <... sendmsg resumed>) = 0 [pid 3927] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3928] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3928] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3928] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3928] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3928] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3928] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3928] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3928] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3928] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3928] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3928] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3928] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3928] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0./strace-static-x86_64: Process 3929 attached ) = 0 [pid 3928] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3928] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3928] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3928] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3928] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3928] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3928] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3928] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3928] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3928] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3928] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3928] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3928] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3928] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3928] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3928] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3928] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3929] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3929] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3929] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3929] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3927] <... futex resumed>) = 0 [pid 3927] exit_group(0) = ? [pid 3928] <... futex resumed>) = ? [pid 3928] +++ exited with 0 +++ [pid 3929] +++ exited with 0 +++ [pid 3927] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3927, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3930 attached , child_tidptr=0x55555bbac690) = 3930 [pid 3930] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3930] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3930] setpgid(0, 0) = 0 [pid 3930] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3930] write(3, "1000", 4) = 4 [pid 3930] close(3) = 0 [pid 3930] write(1, "executing program\n", 18executing program ) = 18 [pid 3930] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3930] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3930] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3930] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3930] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3930] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3930] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3931 attached => {parent_tid=[3931]}, 88) = 3931 [pid 3930] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3930] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3930] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3931] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3931] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3931] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3931] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3930] <... futex resumed>) = 0 [pid 3930] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3930] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3930] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3930] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3930] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3930] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[3932]}, 88) = 3932 [pid 3930] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3930] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3930] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3932 attached [pid 3932] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3932] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3932] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3932] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3930] <... futex resumed>) = 0 [pid 3932] <... futex resumed>) = 1 [pid 3931] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3932] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3931] <... sendmsg resumed>) = 0 [pid 3931] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3931] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3931] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3931] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3931] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3931] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3931] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3931] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3931] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3931] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3931] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3931] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3931] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3931] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3931] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3931] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3931] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3931] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3931] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3931] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3931] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3931] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3931] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3931] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3931] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3931] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3931] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3931] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3931] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3931] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3931] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3931] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3931] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3931] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3930] exit_group(0 [pid 3932] <... futex resumed>) = ? [pid 3931] <... futex resumed>) = ? [pid 3930] <... exit_group resumed>) = ? [pid 3931] +++ exited with 0 +++ [pid 3932] +++ exited with 0 +++ [pid 3930] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3930, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3933 attached , child_tidptr=0x55555bbac690) = 3933 [pid 3933] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3933] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3933] setpgid(0, 0) = 0 [pid 3933] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3933] write(3, "1000", 4) = 4 [pid 3933] close(3) = 0 executing program [pid 3933] write(1, "executing program\n", 18) = 18 [pid 3933] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3933] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3933] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3933] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3933] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3933] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3933] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[3934]}, 88) = 3934 ./strace-static-x86_64: Process 3934 attached [pid 3933] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3933] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3933] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3934] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3934] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3934] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3934] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3933] <... futex resumed>) = 0 [pid 3933] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3933] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3933] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3933] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3933] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3933] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3934] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3933] <... clone3 resumed> => {parent_tid=[3935]}, 88) = 3935 [pid 3933] rt_sigprocmask(SIG_SETMASK, [], [pid 3934] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3933] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3934] <... sendmsg resumed>) = 0 [pid 3933] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3934] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3933] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3934] <... sendmsg resumed>) = 0 [pid 3934] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3934] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3934] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3934] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3934] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3934] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3934] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3934] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0./strace-static-x86_64: Process 3935 attached ) = 0 [pid 3934] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3934] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3934] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3934] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3934] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3934] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3934] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3934] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3935] set_robust_list(0x7f857e3e29a0, 24 [pid 3934] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3934] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3934] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3934] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3934] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3934] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3934] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3934] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3934] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3934] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3934] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3934] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3934] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3934] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3934] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3934] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3935] <... set_robust_list resumed>) = 0 [pid 3935] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3935] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3935] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3933] <... futex resumed>) = 0 [pid 3935] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3933] exit_group(0 [pid 3935] <... futex resumed>) = ? [pid 3934] <... futex resumed>) = ? [pid 3933] <... exit_group resumed>) = ? [pid 3934] +++ exited with 0 +++ [pid 3935] +++ exited with 0 +++ [pid 3933] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3933, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3936 ./strace-static-x86_64: Process 3936 attached [pid 3936] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3936] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3936] setpgid(0, 0) = 0 [pid 3936] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3936] write(3, "1000", 4) = 4 [pid 3936] close(3) = 0 executing program [pid 3936] write(1, "executing program\n", 18) = 18 [pid 3936] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3936] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3936] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3936] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3936] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3936] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3936] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3937 attached => {parent_tid=[3937]}, 88) = 3937 [pid 3937] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3937] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3937] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3936] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3936] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3937] <... futex resumed>) = 0 [pid 3937] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 3936] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3937] <... socketpair resumed>[3, 4]) = 0 [pid 3937] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3937] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3936] <... futex resumed>) = 0 [pid 3936] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3937] <... futex resumed>) = 0 [pid 3937] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3937] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3937] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3936] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3937] <... sendmsg resumed>) = 0 [pid 3936] <... futex resumed>) = 0 [pid 3937] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3937] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3936] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3937] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3937] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3937] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3937] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3937] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3937] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3936] <... mmap resumed>) = 0x7f857e3c2000 [pid 3936] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 3937] <... sendmsg resumed>) = 0 [pid 3937] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3937] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3937] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3936] <... mprotect resumed>) = 0 [pid 3937] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3936] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3936] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3937] <... sendmsg resumed>) = 0 [pid 3937] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3936] <... clone3 resumed> => {parent_tid=[3938]}, 88) = 3938 [pid 3936] rt_sigprocmask(SIG_SETMASK, [], [pid 3937] <... sendmsg resumed>) = 0 [pid 3936] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3937] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3936] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3936] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3937] <... sendmsg resumed>) = 0 [pid 3937] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3937] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3937] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3937] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3937] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3937] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3937] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3937] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 ./strace-static-x86_64: Process 3938 attached [pid 3937] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3937] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3937] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3937] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3938] set_robust_list(0x7f857e3e29a0, 24 [pid 3937] <... sendmsg resumed>) = 0 [pid 3937] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3937] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3938] <... set_robust_list resumed>) = 0 [pid 3938] rt_sigprocmask(SIG_SETMASK, [], [pid 3937] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3937] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3938] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3937] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3937] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3938] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3938] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3936] <... futex resumed>) = 0 [pid 3938] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3936] exit_group(0) = ? [pid 3937] <... futex resumed>) = ? [pid 3938] <... futex resumed>) = ? [pid 3937] +++ exited with 0 +++ [pid 3938] +++ exited with 0 +++ [pid 3936] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3936, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3939 attached , child_tidptr=0x55555bbac690) = 3939 [pid 3939] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3939] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3939] setpgid(0, 0) = 0 [pid 3939] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3939] write(3, "1000", 4) = 4 [pid 3939] close(3) = 0 executing program [pid 3939] write(1, "executing program\n", 18) = 18 [pid 3939] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3939] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3939] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3939] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3939] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3939] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3939] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3940 attached => {parent_tid=[3940]}, 88) = 3940 [pid 3940] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3940] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3940] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3939] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3939] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3940] <... futex resumed>) = 0 [pid 3939] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3940] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3940] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3940] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3939] <... futex resumed>) = 0 [pid 3939] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3939] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3939] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3939] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3939] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3939] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3940] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3940] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3939] <... clone3 resumed> => {parent_tid=[3941]}, 88) = 3941 [pid 3939] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3940] <... sendmsg resumed>) = 0 [pid 3939] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3939] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3941 attached [pid 3941] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3941] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3941] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3941] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3939] <... futex resumed>) = 0 [pid 3941] <... futex resumed>) = 1 [pid 3940] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3941] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3940] <... sendmsg resumed>) = 0 [pid 3940] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3940] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3940] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3940] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3940] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3940] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3940] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3940] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3940] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3940] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3940] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3940] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3940] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3940] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3940] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3940] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3940] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3940] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3940] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3940] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3940] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3940] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3940] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3940] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3940] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3940] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3940] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3940] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3940] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3940] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3940] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3940] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3940] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3939] exit_group(0 [pid 3940] <... futex resumed>) = ? [pid 3939] <... exit_group resumed>) = ? [pid 3940] +++ exited with 0 +++ [pid 3941] <... futex resumed>) = ? [pid 3941] +++ exited with 0 +++ [pid 3939] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3939, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3942 ./strace-static-x86_64: Process 3942 attached [pid 3942] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3942] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3942] setpgid(0, 0) = 0 [pid 3942] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3942] write(3, "1000", 4) = 4 [pid 3942] close(3executing program ) = 0 [pid 3942] write(1, "executing program\n", 18) = 18 [pid 3942] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3942] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3942] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3942] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3942] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3942] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3942] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3943 attached => {parent_tid=[3943]}, 88) = 3943 [pid 3943] set_robust_list(0x7f857e4039a0, 24 [pid 3942] rt_sigprocmask(SIG_SETMASK, [], [pid 3943] <... set_robust_list resumed>) = 0 [pid 3942] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3943] rt_sigprocmask(SIG_SETMASK, [], [pid 3942] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 3943] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3942] <... futex resumed>) = 0 [pid 3943] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 3942] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3943] <... socketpair resumed>[3, 4]) = 0 [pid 3943] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3942] <... futex resumed>) = 0 [pid 3942] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 3943] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3942] <... futex resumed>) = 0 [pid 3942] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3942] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3942] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3942] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3942] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3943] <... sendmsg resumed>) = 0 [pid 3942] <... clone3 resumed> => {parent_tid=[3944]}, 88) = 3944 [pid 3943] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3942] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3942] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3942] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3944 attached [pid 3944] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3944] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3944] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3944] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3943] <... sendmsg resumed>) = 0 [pid 3943] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3942] <... futex resumed>) = 0 [pid 3943] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3943] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3943] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3944] <... futex resumed>) = 1 [pid 3943] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 3944] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3943] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3943] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3943] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3943] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3943] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3943] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3943] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3943] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3943] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3943] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3943] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3943] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3943] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3943] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3943] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3943] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3943] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3943] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3943] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3943] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3943] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3943] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3943] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3943] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3943] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3943] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3943] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3943] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3943] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3942] exit_group(0 [pid 3943] <... futex resumed>) = ? [pid 3942] <... exit_group resumed>) = ? [pid 3943] +++ exited with 0 +++ [pid 3944] <... futex resumed>) = ? [pid 3944] +++ exited with 0 +++ [pid 3942] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3942, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3945 ./strace-static-x86_64: Process 3945 attached [pid 3945] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3945] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3945] setpgid(0, 0) = 0 [pid 3945] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3945] write(3, "1000", 4) = 4 [pid 3945] close(3) = 0 [pid 3945] write(1, "executing program\n", 18executing program ) = 18 [pid 3945] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3945] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3945] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3945] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3945] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3945] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3945] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3946 attached => {parent_tid=[3946]}, 88) = 3946 [pid 3946] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3946] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3946] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3945] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3945] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3946] <... futex resumed>) = 0 [pid 3946] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 3945] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3946] <... socketpair resumed>[3, 4]) = 0 [pid 3946] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3946] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3945] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3945] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3946] <... futex resumed>) = 0 [pid 3946] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3946] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3946] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3946] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3946] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3946] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3946] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3946] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3946] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3946] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3946] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3946] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3946] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3946] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3946] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3946] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3946] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3946] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3946] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3946] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3946] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3946] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3946] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3946] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3946] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3946] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3946] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3946] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3946] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3946] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3946] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3946] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3946] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3946] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3946] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3945] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3946] <... futex resumed>) = 0 [pid 3946] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3946] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3946] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3945] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 3945] exit_group(0) = ? [pid 3946] <... futex resumed>) = ? [pid 3946] +++ exited with 0 +++ [pid 3945] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3945, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3947 ./strace-static-x86_64: Process 3947 attached [pid 3947] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3947] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3947] setpgid(0, 0) = 0 [pid 3947] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3947] write(3, "1000", 4) = 4 [pid 3947] close(3) = 0 executing program [pid 3947] write(1, "executing program\n", 18) = 18 [pid 3947] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3947] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3947] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3947] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3947] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3947] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3947] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3948 attached [pid 3948] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3948] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3948] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3947] <... clone3 resumed> => {parent_tid=[3948]}, 88) = 3948 [pid 3947] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3947] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3948] <... futex resumed>) = 0 [pid 3948] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 3947] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3948] <... socketpair resumed>[3, 4]) = 0 [pid 3948] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3948] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3947] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3947] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3948] <... futex resumed>) = 0 [pid 3947] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3948] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3947] <... futex resumed>) = 0 [pid 3947] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3948] <... sendmsg resumed>) = 0 [pid 3947] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 3948] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3947] <... mprotect resumed>) = 0 [pid 3948] <... sendmsg resumed>) = 0 [pid 3947] rt_sigprocmask(SIG_BLOCK, ~[], [pid 3948] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3947] <... rt_sigprocmask resumed>[], 8) = 0 [pid 3948] <... sendmsg resumed>) = 0 [pid 3947] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3948] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3948] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3947] <... clone3 resumed> => {parent_tid=[3949]}, 88) = 3949 [pid 3947] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3947] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3948] <... sendmsg resumed>) = 0 [pid 3947] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3948] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3948] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3948] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3948] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3948] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3948] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3948] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0./strace-static-x86_64: Process 3949 attached ) = 0 [pid 3948] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3948] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3949] set_robust_list(0x7f857e3e29a0, 24 [pid 3948] <... sendmsg resumed>) = 0 [pid 3948] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3948] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3948] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3949] <... set_robust_list resumed>) = 0 [pid 3948] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3949] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3948] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3948] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3948] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3948] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3948] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3948] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3948] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3949] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 3948] <... sendmsg resumed>) = 0 [pid 3948] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3948] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3948] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3948] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3949] <... setsockopt resumed>) = 0 [pid 3949] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3948] <... sendmsg resumed>) = 0 [pid 3948] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3948] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3948] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3948] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3949] <... futex resumed>) = 1 [pid 3947] <... futex resumed>) = 0 [pid 3948] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 3949] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3948] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3948] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3947] exit_group(0) = ? [pid 3949] <... futex resumed>) = ? [pid 3948] <... futex resumed>) = ? [pid 3948] +++ exited with 0 +++ [pid 3949] +++ exited with 0 +++ [pid 3947] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3947, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3950 attached , child_tidptr=0x55555bbac690) = 3950 [pid 3950] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3950] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3950] setpgid(0, 0) = 0 [pid 3950] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3950] write(3, "1000", 4) = 4 [pid 3950] close(3) = 0 [pid 3950] write(1, "executing program\n", 18executing program ) = 18 [pid 3950] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3950] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3950] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3950] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3950] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3950] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3950] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3951 attached [pid 3951] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3951] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3951] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3950] <... clone3 resumed> => {parent_tid=[3951]}, 88) = 3951 [pid 3950] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3950] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3950] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3951] <... futex resumed>) = 0 [pid 3951] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3951] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3950] <... futex resumed>) = 0 [pid 3950] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3950] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3950] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3950] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3950] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3950] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0}./strace-static-x86_64: Process 3952 attached [pid 3951] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3950] <... clone3 resumed> => {parent_tid=[3952]}, 88) = 3952 [pid 3950] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3950] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3950] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3952] set_robust_list(0x7f857e3e29a0, 24 [pid 3951] <... sendmsg resumed>) = 0 [pid 3951] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3952] <... set_robust_list resumed>) = 0 [pid 3951] <... sendmsg resumed>) = 0 [pid 3952] rt_sigprocmask(SIG_SETMASK, [], [pid 3951] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3952] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3951] <... sendmsg resumed>) = 0 [pid 3952] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 3951] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3952] <... setsockopt resumed>) = 0 [pid 3951] <... sendmsg resumed>) = 0 [pid 3952] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3951] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3952] <... futex resumed>) = 1 [pid 3951] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3950] <... futex resumed>) = 0 [pid 3952] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3951] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 3951] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3951] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3951] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3951] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3951] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3951] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3951] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3951] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3951] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3951] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3951] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3951] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3951] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3951] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3951] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3951] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3951] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3951] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3951] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3951] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3951] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3951] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3951] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3951] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3951] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3951] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3951] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3951] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3951] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3950] exit_group(0 [pid 3952] <... futex resumed>) = ? [pid 3951] <... futex resumed>) = ? [pid 3950] <... exit_group resumed>) = ? [pid 3952] +++ exited with 0 +++ [pid 3951] +++ exited with 0 +++ [pid 3950] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3950, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3954 ./strace-static-x86_64: Process 3954 attached [pid 3954] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3954] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3954] setpgid(0, 0) = 0 [pid 3954] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3954] write(3, "1000", 4) = 4 [pid 3954] close(3) = 0 [pid 3954] write(1, "executing program\n", 18executing program ) = 18 [pid 3954] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3954] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3954] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3954] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3954] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3954] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3954] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3955 attached => {parent_tid=[3955]}, 88) = 3955 [pid 3955] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3955] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3955] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3954] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3954] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3955] <... futex resumed>) = 0 [pid 3955] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 3954] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3955] <... socketpair resumed>[3, 4]) = 0 [pid 3955] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3955] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3954] <... futex resumed>) = 0 [pid 3954] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3955] <... futex resumed>) = 0 [pid 3955] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3955] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3955] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3955] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3955] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3955] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3955] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3955] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3955] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3955] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3955] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3954] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3955] <... sendmsg resumed>) = 0 [pid 3954] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3955] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3954] <... mmap resumed>) = 0x7f857e3c2000 [pid 3954] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 3955] <... sendmsg resumed>) = 0 [pid 3954] <... mprotect resumed>) = 0 [pid 3955] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3954] rt_sigprocmask(SIG_BLOCK, ~[], [pid 3955] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3954] <... rt_sigprocmask resumed>[], 8) = 0 [pid 3954] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3955] <... sendmsg resumed>) = 0 [pid 3955] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3954] <... clone3 resumed> => {parent_tid=[3956]}, 88) = 3956 [pid 3955] <... sendmsg resumed>) = 0 [pid 3954] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 3956 attached NULL, 8) = 0 [pid 3954] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3955] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3954] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3955] <... sendmsg resumed>) = 0 [pid 3955] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3955] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3955] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3955] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3955] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3956] set_robust_list(0x7f857e3e29a0, 24 [pid 3955] <... sendmsg resumed>) = 0 [pid 3956] <... set_robust_list resumed>) = 0 [pid 3955] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3955] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3955] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3955] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3955] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3955] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3955] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3955] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3955] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3955] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3955] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3955] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3955] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3955] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3956] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3956] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3956] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3954] <... futex resumed>) = 0 [pid 3954] exit_group(0) = ? [pid 3955] <... futex resumed>) = ? [pid 3955] +++ exited with 0 +++ [pid 3956] <... futex resumed>) = ? [pid 3956] +++ exited with 0 +++ [pid 3954] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3954, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3957 ./strace-static-x86_64: Process 3957 attached [pid 3957] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3957] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3957] setpgid(0, 0) = 0 [pid 3957] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3957] write(3, "1000", 4) = 4 [pid 3957] close(3executing program ) = 0 [pid 3957] write(1, "executing program\n", 18) = 18 [pid 3957] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3957] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3957] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3957] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3957] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3957] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3957] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3958 attached [pid 3958] set_robust_list(0x7f857e4039a0, 24 [pid 3957] <... clone3 resumed> => {parent_tid=[3958]}, 88) = 3958 [pid 3958] <... set_robust_list resumed>) = 0 [pid 3957] rt_sigprocmask(SIG_SETMASK, [], [pid 3958] rt_sigprocmask(SIG_SETMASK, [], [pid 3957] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3958] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3957] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 3958] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 3957] <... futex resumed>) = 0 [pid 3957] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3958] <... socketpair resumed>[3, 4]) = 0 [pid 3958] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3957] <... futex resumed>) = 0 [pid 3957] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3957] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3957] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3957] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3958] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3957] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3957] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[3959]}, 88) = 3959 [pid 3957] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3957] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3957] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3959 attached [pid 3959] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3959] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3959] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3959] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3957] <... futex resumed>) = 0 [pid 3958] <... sendmsg resumed>) = 0 [pid 3959] <... futex resumed>) = 1 [pid 3958] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3959] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3958] <... sendmsg resumed>) = 0 [pid 3958] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3958] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3958] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3958] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3958] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3958] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3958] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3958] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3958] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3958] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3958] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3958] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3958] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3958] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3958] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3958] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3958] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3958] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3958] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3958] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3958] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3958] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3958] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3958] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3958] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3958] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3958] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3958] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3958] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3958] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3958] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3958] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3958] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3957] exit_group(0) = ? [pid 3958] <... futex resumed>) = ? [pid 3958] +++ exited with 0 +++ [pid 3959] <... futex resumed>) = ? [pid 3959] +++ exited with 0 +++ [pid 3957] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3957, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3960 attached , child_tidptr=0x55555bbac690) = 3960 [pid 3960] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3960] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3960] setpgid(0, 0) = 0 [pid 3960] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3960] write(3, "1000", 4) = 4 [pid 3960] close(3) = 0 [pid 3960] write(1, "executing program\n", 18executing program ) = 18 [pid 3960] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3960] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3960] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3960] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3960] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3960] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3960] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[3961]}, 88) = 3961 ./strace-static-x86_64: Process 3961 attached [pid 3960] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3960] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3960] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3961] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3961] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3961] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3961] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3960] <... futex resumed>) = 0 [pid 3960] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3960] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3960] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3960] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3960] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3960] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0}./strace-static-x86_64: Process 3962 attached [pid 3961] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3960] <... clone3 resumed> => {parent_tid=[3962]}, 88) = 3962 [pid 3960] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3960] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3960] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3962] set_robust_list(0x7f857e3e29a0, 24 [pid 3961] <... sendmsg resumed>) = 0 [pid 3962] <... set_robust_list resumed>) = 0 [pid 3961] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3962] rt_sigprocmask(SIG_SETMASK, [], [pid 3961] <... sendmsg resumed>) = 0 [pid 3962] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3961] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3962] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 3961] <... sendmsg resumed>) = 0 [pid 3962] <... setsockopt resumed>) = 0 [pid 3961] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3962] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3961] <... sendmsg resumed>) = 0 [pid 3962] <... futex resumed>) = 1 [pid 3961] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3960] <... futex resumed>) = 0 [pid 3962] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3961] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 3961] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3961] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3961] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3961] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3961] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3961] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3961] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3961] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3961] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3961] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3961] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3961] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3961] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3961] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3961] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3961] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3961] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3961] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3961] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3961] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3961] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3961] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3961] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3961] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3961] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3961] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3961] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3961] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3961] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3961] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3960] exit_group(0 [pid 3962] <... futex resumed>) = ? [pid 3961] <... futex resumed>) = ? [pid 3960] <... exit_group resumed>) = ? [pid 3961] +++ exited with 0 +++ [pid 3962] +++ exited with 0 +++ [pid 3960] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3960, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3963 ./strace-static-x86_64: Process 3963 attached [pid 3963] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3963] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3963] setpgid(0, 0) = 0 [pid 3963] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3963] write(3, "1000", 4) = 4 [pid 3963] close(3executing program ) = 0 [pid 3963] write(1, "executing program\n", 18) = 18 [pid 3963] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3963] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3963] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3963] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3963] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3963] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3963] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3964 attached [pid 3964] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3964] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3964] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3963] <... clone3 resumed> => {parent_tid=[3964]}, 88) = 3964 [pid 3963] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3963] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3964] <... futex resumed>) = 0 [pid 3964] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3963] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3964] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3964] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3963] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3963] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 3964] <... futex resumed>) = 0 [pid 3963] <... futex resumed>) = 1 [pid 3964] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3964] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3964] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3963] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3964] <... sendmsg resumed>) = 0 [pid 3963] <... futex resumed>) = 0 [pid 3964] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3964] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3963] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3964] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3963] <... mmap resumed>) = 0x7f857e3c2000 [pid 3964] <... sendmsg resumed>) = 0 [pid 3964] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3964] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3964] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3963] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 3964] <... sendmsg resumed>) = 0 [pid 3963] <... mprotect resumed>) = 0 [pid 3963] rt_sigprocmask(SIG_BLOCK, ~[], [pid 3964] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3963] <... rt_sigprocmask resumed>[], 8) = 0 [pid 3963] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3964] <... sendmsg resumed>) = 0 [pid 3964] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0./strace-static-x86_64: Process 3965 attached [pid 3963] <... clone3 resumed> => {parent_tid=[3965]}, 88) = 3965 [pid 3964] <... sendmsg resumed>) = 0 [pid 3963] rt_sigprocmask(SIG_SETMASK, [], [pid 3964] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3963] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3965] set_robust_list(0x7f857e3e29a0, 24 [pid 3963] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 3964] <... sendmsg resumed>) = 0 [pid 3963] <... futex resumed>) = 0 [pid 3964] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3963] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3965] <... set_robust_list resumed>) = 0 [pid 3964] <... sendmsg resumed>) = 0 [pid 3965] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3965] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3965] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3963] <... futex resumed>) = 0 [pid 3964] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3965] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3964] <... sendmsg resumed>) = 0 [pid 3964] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3964] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3964] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3964] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3964] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3964] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3964] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3964] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3964] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3964] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3964] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3964] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3964] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3964] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3964] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3964] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3964] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3964] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3964] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3964] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3964] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3963] exit_group(0) = ? [pid 3964] <... futex resumed>) = ? [pid 3964] +++ exited with 0 +++ [pid 3965] <... futex resumed>) = ? [pid 3965] +++ exited with 0 +++ [pid 3963] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3963, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3966 attached , child_tidptr=0x55555bbac690) = 3966 [pid 3966] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3966] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3966] setpgid(0, 0) = 0 [pid 3966] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3966] write(3, "1000", 4) = 4 [pid 3966] close(3) = 0 [pid 3966] write(1, "executing program\n", 18executing program ) = 18 [pid 3966] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3966] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3966] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3966] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3966] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3966] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3966] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3967 attached => {parent_tid=[3967]}, 88) = 3967 [pid 3966] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3966] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3966] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3967] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3967] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3967] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3967] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3966] <... futex resumed>) = 0 [pid 3966] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3966] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3966] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3966] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3966] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3966] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3967] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3966] <... clone3 resumed> => {parent_tid=[3968]}, 88) = 3968 [pid 3967] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3966] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3966] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3966] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3968 attached [pid 3968] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3968] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3968] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3968] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3966] <... futex resumed>) = 0 [pid 3968] <... futex resumed>) = 1 [pid 3968] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3967] <... sendmsg resumed>) = 0 [pid 3967] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3967] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3967] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3967] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3967] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3967] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3967] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3967] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3967] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3967] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3967] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3967] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3967] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3967] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3967] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3967] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3967] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3967] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3967] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3967] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3967] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3967] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3967] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3967] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3967] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3967] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3967] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3967] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3967] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3967] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3967] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3967] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3967] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3966] exit_group(0 [pid 3967] <... futex resumed>) = ? [pid 3966] <... exit_group resumed>) = ? [pid 3967] +++ exited with 0 +++ [pid 3968] <... futex resumed>) = ? [pid 3968] +++ exited with 0 +++ [pid 3966] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3966, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3969 ./strace-static-x86_64: Process 3969 attached [pid 3969] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3969] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3969] setpgid(0, 0) = 0 [pid 3969] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3969] write(3, "1000", 4) = 4 [pid 3969] close(3) = 0 executing program [pid 3969] write(1, "executing program\n", 18) = 18 [pid 3969] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3969] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3969] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3969] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3969] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3969] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3969] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3970 attached => {parent_tid=[3970]}, 88) = 3970 [pid 3969] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3969] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3969] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3970] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3970] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3970] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3970] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3969] <... futex resumed>) = 0 [pid 3969] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3969] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3969] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3969] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3969] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3969] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[3971]}, 88) = 3971 [pid 3969] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3969] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3969] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3971 attached [pid 3971] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3971] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3971] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3971] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3969] <... futex resumed>) = 0 [pid 3971] <... futex resumed>) = 1 [pid 3970] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3971] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3970] <... sendmsg resumed>) = 0 [pid 3970] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3970] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3970] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3970] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3970] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3970] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3970] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3970] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3970] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3970] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3970] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3970] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3970] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3970] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3970] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3970] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3970] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3970] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3970] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3970] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3970] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3970] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3970] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3970] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3970] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3970] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3970] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3970] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3970] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3970] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3970] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3970] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3970] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3970] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3969] exit_group(0) = ? [pid 3971] <... futex resumed>) = ? [pid 3971] +++ exited with 0 +++ [pid 3970] <... futex resumed>) = ? [pid 3970] +++ exited with 0 +++ [pid 3969] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3969, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3972 attached , child_tidptr=0x55555bbac690) = 3972 [pid 3972] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3972] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3972] setpgid(0, 0) = 0 [pid 3972] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3972] write(3, "1000", 4) = 4 [pid 3972] close(3executing program ) = 0 [pid 3972] write(1, "executing program\n", 18) = 18 [pid 3972] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3972] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3972] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3972] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3972] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3972] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3972] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3973 attached [pid 3973] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3973] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3973] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3972] <... clone3 resumed> => {parent_tid=[3973]}, 88) = 3973 [pid 3972] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3972] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3973] <... futex resumed>) = 0 [pid 3973] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 3972] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3973] <... socketpair resumed>[3, 4]) = 0 [pid 3973] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3972] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3973] <... futex resumed>) = 0 [pid 3973] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3972] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 3973] <... futex resumed>) = 0 [pid 3972] <... futex resumed>) = 1 [pid 3973] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3973] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3973] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3973] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3972] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3973] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3972] <... futex resumed>) = 0 [pid 3973] <... sendmsg resumed>) = 0 [pid 3973] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3972] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3973] <... sendmsg resumed>) = 0 [pid 3972] <... mmap resumed>) = 0x7f857e3c2000 [pid 3973] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3972] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 3973] <... sendmsg resumed>) = 0 [pid 3972] <... mprotect resumed>) = 0 [pid 3973] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3972] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3972] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3973] <... sendmsg resumed>) = 0 [pid 3972] <... clone3 resumed> => {parent_tid=[3974]}, 88) = 3974 [pid 3973] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3972] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3972] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 3973] <... sendmsg resumed>) = 0 [pid 3972] <... futex resumed>) = 0 ./strace-static-x86_64: Process 3974 attached [pid 3972] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3973] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3973] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3973] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3974] set_robust_list(0x7f857e3e29a0, 24 [pid 3973] <... sendmsg resumed>) = 0 [pid 3973] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3973] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3974] <... set_robust_list resumed>) = 0 [pid 3973] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3973] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3973] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3974] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3973] <... sendmsg resumed>) = 0 [pid 3973] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3973] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3973] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3973] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3973] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3974] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 3973] <... sendmsg resumed>) = 0 [pid 3973] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3973] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3973] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3973] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3973] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3973] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3973] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3974] <... setsockopt resumed>) = 0 [pid 3973] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3973] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3973] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3973] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3973] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3973] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3974] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3972] <... futex resumed>) = 0 [pid 3974] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3972] exit_group(0) = ? [pid 3973] <... futex resumed>) = ? [pid 3973] +++ exited with 0 +++ [pid 3974] <... futex resumed>) = ? [pid 3974] +++ exited with 0 +++ [pid 3972] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3972, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3975 attached , child_tidptr=0x55555bbac690) = 3975 [pid 3975] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3975] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3975] setpgid(0, 0) = 0 [pid 3975] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3975] write(3, "1000", 4) = 4 [pid 3975] close(3) = 0 executing program [pid 3975] write(1, "executing program\n", 18) = 18 [pid 3975] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3975] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3975] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3975] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3975] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3975] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3975] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[3976]}, 88) = 3976 [pid 3975] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3975] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3975] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3976 attached [pid 3976] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3976] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3976] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3976] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3975] <... futex resumed>) = 0 [pid 3975] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3975] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3975] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3976] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3975] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3975] rt_sigprocmask(SIG_BLOCK, ~[], [pid 3976] <... sendmsg resumed>) = 0 [pid 3975] <... rt_sigprocmask resumed>[], 8) = 0 [pid 3975] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3976] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3975] <... clone3 resumed> => {parent_tid=[3977]}, 88) = 3977 [pid 3975] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3975] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3975] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3977 attached [pid 3977] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3977] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3977] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3976] <... sendmsg resumed>) = 0 [pid 3977] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3975] <... futex resumed>) = 0 [pid 3976] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3977] <... futex resumed>) = 1 [pid 3976] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 3977] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3976] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3976] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3976] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3976] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3976] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3976] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3976] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3976] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3976] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3976] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3976] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3976] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3976] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3976] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3976] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3976] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3976] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3976] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3976] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3976] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3976] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3976] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3976] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3976] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3976] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3976] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3976] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3976] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3976] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3976] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3976] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3976] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3975] exit_group(0 [pid 3976] <... futex resumed>) = ? [pid 3975] <... exit_group resumed>) = ? [pid 3976] +++ exited with 0 +++ [pid 3977] <... futex resumed>) = ? [pid 3977] +++ exited with 0 +++ [pid 3975] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3975, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3978 attached , child_tidptr=0x55555bbac690) = 3978 [pid 3978] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3978] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3978] setpgid(0, 0) = 0 [pid 3978] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3978] write(3, "1000", 4) = 4 [pid 3978] close(3executing program ) = 0 [pid 3978] write(1, "executing program\n", 18) = 18 [pid 3978] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3978] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3978] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3978] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3978] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3978] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3978] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3979 attached [pid 3979] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3979] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3979] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3978] <... clone3 resumed> => {parent_tid=[3979]}, 88) = 3979 [pid 3978] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3978] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3978] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3979] <... futex resumed>) = 0 [pid 3979] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3979] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3978] <... futex resumed>) = 0 [pid 3978] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3978] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3978] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3978] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3978] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3978] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3979] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3979] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3978] <... clone3 resumed> => {parent_tid=[3980]}, 88) = 3980 [pid 3978] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3978] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 3979] <... sendmsg resumed>) = 0 [pid 3978] <... futex resumed>) = 0 [pid 3978] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3980 attached [pid 3980] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3980] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3980] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 3979] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3980] <... setsockopt resumed>) = 0 [pid 3980] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3978] <... futex resumed>) = 0 [pid 3980] <... futex resumed>) = 1 [pid 3980] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3979] <... sendmsg resumed>) = 0 [pid 3979] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3979] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3979] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3979] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3979] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3979] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3979] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3979] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3979] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3979] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3979] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3979] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3979] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3979] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3979] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3979] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3979] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3979] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3979] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3979] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3979] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3979] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3979] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3979] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3979] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3979] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3979] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3979] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3979] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3979] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3979] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3979] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3978] exit_group(0 [pid 3979] <... futex resumed>) = ? [pid 3978] <... exit_group resumed>) = ? [pid 3979] +++ exited with 0 +++ [pid 3980] <... futex resumed>) = ? [pid 3980] +++ exited with 0 +++ [pid 3978] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3978, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3981 attached , child_tidptr=0x55555bbac690) = 3981 [pid 3981] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3981] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3981] setpgid(0, 0) = 0 [pid 3981] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3981] write(3, "1000", 4) = 4 [pid 3981] close(3) = 0 [pid 3981] write(1, "executing program\n", 18executing program ) = 18 [pid 3981] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3981] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3981] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3981] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3981] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3981] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3981] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3982 attached => {parent_tid=[3982]}, 88) = 3982 [pid 3982] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3982] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3982] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3981] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3981] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3982] <... futex resumed>) = 0 [pid 3982] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 3981] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3982] <... socketpair resumed>[3, 4]) = 0 [pid 3982] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3982] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3981] <... futex resumed>) = 0 [pid 3981] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3982] <... futex resumed>) = 0 [pid 3982] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3982] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3982] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3982] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3982] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3981] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3982] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3982] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3982] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3982] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3981] <... futex resumed>) = 0 [pid 3982] <... sendmsg resumed>) = 0 [pid 3981] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3982] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3982] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3982] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3982] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3982] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3982] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3981] <... mmap resumed>) = 0x7f857e3c2000 [pid 3982] <... sendmsg resumed>) = 0 [pid 3982] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3982] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3981] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 3982] <... sendmsg resumed>) = 0 [pid 3982] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3982] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3981] <... mprotect resumed>) = 0 [pid 3982] <... sendmsg resumed>) = 0 [pid 3981] rt_sigprocmask(SIG_BLOCK, ~[], [pid 3982] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3981] <... rt_sigprocmask resumed>[], 8) = 0 [pid 3982] <... sendmsg resumed>) = 0 [pid 3982] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3982] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3982] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3982] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3982] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3982] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3982] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3982] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3982] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3982] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3982] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3982] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3982] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3982] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3982] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3981] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0}./strace-static-x86_64: Process 3983 attached => {parent_tid=[3983]}, 88) = 3983 [pid 3983] set_robust_list(0x7f857e3e29a0, 24 [pid 3981] rt_sigprocmask(SIG_SETMASK, [], [pid 3983] <... set_robust_list resumed>) = 0 [pid 3981] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3983] rt_sigprocmask(SIG_SETMASK, [], [pid 3981] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3981] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3983] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3983] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3983] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3981] <... futex resumed>) = 0 [pid 3983] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3981] exit_group(0) = ? [pid 3983] <... futex resumed>) = ? [pid 3982] <... futex resumed>) = ? [pid 3982] +++ exited with 0 +++ [pid 3983] +++ exited with 0 +++ [pid 3981] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3981, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3984 ./strace-static-x86_64: Process 3984 attached [pid 3984] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3984] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3984] setpgid(0, 0) = 0 [pid 3984] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3984] write(3, "1000", 4) = 4 [pid 3984] close(3) = 0 executing program [pid 3984] write(1, "executing program\n", 18) = 18 [pid 3984] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3984] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3984] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3984] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3984] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3984] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3984] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3985 attached [pid 3985] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3985] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3985] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3984] <... clone3 resumed> => {parent_tid=[3985]}, 88) = 3985 [pid 3984] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3984] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3985] <... futex resumed>) = 0 [pid 3985] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3984] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3985] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3985] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3984] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3984] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3985] <... futex resumed>) = 0 [pid 3984] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3985] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3984] <... futex resumed>) = 0 [pid 3984] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3985] <... sendmsg resumed>) = 0 [pid 3984] <... mmap resumed>) = 0x7f857e3c2000 [pid 3985] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3984] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 3985] <... sendmsg resumed>) = 0 [pid 3984] <... mprotect resumed>) = 0 [pid 3985] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3984] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3984] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3985] <... sendmsg resumed>) = 0 [pid 3985] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3985] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3985] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3985] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3985] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3985] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3985] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 ./strace-static-x86_64: Process 3986 attached [pid 3984] <... clone3 resumed> => {parent_tid=[3986]}, 88) = 3986 [pid 3985] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3984] rt_sigprocmask(SIG_SETMASK, [], [pid 3985] <... sendmsg resumed>) = 0 [pid 3984] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3985] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3984] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 3985] <... sendmsg resumed>) = 0 [pid 3985] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3984] <... futex resumed>) = 0 [pid 3984] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3985] <... sendmsg resumed>) = 0 [pid 3985] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3985] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3985] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3985] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3985] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3985] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3985] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3985] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3985] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3985] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3985] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3985] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3985] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3985] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3985] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3985] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3985] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3985] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3986] set_robust_list(0x7f857e3e29a0, 24 [pid 3985] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3985] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3985] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3985] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3986] <... set_robust_list resumed>) = 0 [pid 3986] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3986] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3986] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3984] <... futex resumed>) = 0 [pid 3984] exit_group(0) = ? [pid 3986] +++ exited with 0 +++ [pid 3985] <... futex resumed>) = ? [pid 3985] +++ exited with 0 +++ [pid 3984] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3984, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3987 attached , child_tidptr=0x55555bbac690) = 3987 [pid 3987] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3987] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3987] setpgid(0, 0) = 0 executing program [pid 3987] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3987] write(3, "1000", 4) = 4 [pid 3987] close(3) = 0 [pid 3987] write(1, "executing program\n", 18) = 18 [pid 3987] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3987] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3987] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3987] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3987] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3987] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3987] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3988 attached [pid 3988] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3988] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3988] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3987] <... clone3 resumed> => {parent_tid=[3988]}, 88) = 3988 [pid 3987] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3987] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3988] <... futex resumed>) = 0 [pid 3988] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3988] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3988] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3987] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 3987] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3987] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3987] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3987] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3987] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3987] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[3989]}, 88) = 3989 [pid 3987] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3987] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3987] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3988] <... futex resumed>) = 0 [pid 3988] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3988] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3988] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3988] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3988] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3988] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3988] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3988] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3988] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3988] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3988] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3988] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3988] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3988] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3988] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3988] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3988] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3988] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3988] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3988] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3988] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3988] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3988] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3988] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3988] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3988] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3988] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3988] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3988] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3988] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3988] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3988] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3988] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3988] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3988] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 3989 attached [pid 3989] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3989] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3989] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3989] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3987] <... futex resumed>) = 0 [pid 3987] exit_group(0) = ? [pid 3988] <... futex resumed>) = ? [pid 3988] +++ exited with 0 +++ [pid 3989] <... futex resumed>) = ? [pid 3989] +++ exited with 0 +++ [pid 3987] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3987, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3990 attached , child_tidptr=0x55555bbac690) = 3990 [pid 3990] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3990] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3990] setpgid(0, 0) = 0 [pid 3990] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3990] write(3, "1000", 4) = 4 [pid 3990] close(3) = 0 executing program [pid 3990] write(1, "executing program\n", 18) = 18 [pid 3990] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3990] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3990] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3990] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3990] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3990] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3990] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3991 attached [pid 3991] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3991] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3991] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3990] <... clone3 resumed> => {parent_tid=[3991]}, 88) = 3991 [pid 3990] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3990] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3991] <... futex resumed>) = 0 [pid 3991] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3990] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3991] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3990] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3991] <... futex resumed>) = 0 [pid 3991] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3990] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3991] <... futex resumed>) = 0 [pid 3990] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3991] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3990] <... futex resumed>) = 0 [pid 3990] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3991] <... sendmsg resumed>) = 0 [pid 3990] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 3991] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3990] <... mprotect resumed>) = 0 [pid 3991] <... sendmsg resumed>) = 0 [pid 3990] rt_sigprocmask(SIG_BLOCK, ~[], [pid 3991] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3990] <... rt_sigprocmask resumed>[], 8) = 0 [pid 3990] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3991] <... sendmsg resumed>) = 0 [pid 3991] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3991] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3990] <... clone3 resumed> => {parent_tid=[3992]}, 88) = 3992 [pid 3990] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3990] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3990] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3991] <... sendmsg resumed>) = 0 [pid 3991] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3991] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3991] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 ./strace-static-x86_64: Process 3992 attached [pid 3991] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3991] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3991] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3991] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3991] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3991] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3991] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3991] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3991] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3991] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3992] set_robust_list(0x7f857e3e29a0, 24 [pid 3991] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3991] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3991] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3991] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3991] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3992] <... set_robust_list resumed>) = 0 [pid 3991] <... sendmsg resumed>) = 0 [pid 3991] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3991] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3991] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3992] rt_sigprocmask(SIG_SETMASK, [], [pid 3991] <... sendmsg resumed>) = 0 [pid 3991] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3991] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3991] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3992] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3991] <... sendmsg resumed>) = 0 [pid 3991] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3991] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3991] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3991] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3991] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3991] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3992] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3992] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3990] <... futex resumed>) = 0 [pid 3992] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3990] exit_group(0 [pid 3992] <... futex resumed>) = ? [pid 3990] <... exit_group resumed>) = ? [pid 3991] <... futex resumed>) = ? [pid 3991] +++ exited with 0 +++ [pid 3992] +++ exited with 0 +++ [pid 3990] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3990, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3993 ./strace-static-x86_64: Process 3993 attached [pid 3993] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3993] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3993] setpgid(0, 0) = 0 [pid 3993] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3993] write(3, "1000", 4) = 4 [pid 3993] close(3) = 0 [pid 3993] write(1, "executing program\n", 18executing program ) = 18 [pid 3993] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3993] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3993] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3993] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3993] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3993] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3993] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3994 attached [pid 3994] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3994] rt_sigprocmask(SIG_SETMASK, [], [pid 3993] <... clone3 resumed> => {parent_tid=[3994]}, 88) = 3994 [pid 3994] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3994] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3993] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3993] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3994] <... futex resumed>) = 0 [pid 3993] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3994] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 3994] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3994] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3993] <... futex resumed>) = 0 [pid 3993] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3993] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3993] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 3993] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3993] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3993] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[3995]}, 88) = 3995 [pid 3994] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3993] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3993] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3993] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3995 attached [pid 3995] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3995] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3995] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3995] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3993] <... futex resumed>) = 0 [pid 3995] <... futex resumed>) = 1 [pid 3994] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3995] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3994] <... sendmsg resumed>) = 0 [pid 3994] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3994] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3994] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3994] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3994] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3994] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3994] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3994] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3994] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3994] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3994] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3994] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3994] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3994] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3994] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3994] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3994] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3994] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3994] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3994] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3994] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3994] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3994] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3994] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3994] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3994] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3994] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3994] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3994] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3994] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3994] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3994] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3994] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3993] exit_group(0 [pid 3994] <... futex resumed>) = ? [pid 3993] <... exit_group resumed>) = ? [pid 3994] +++ exited with 0 +++ [pid 3995] <... futex resumed>) = ? [pid 3995] +++ exited with 0 +++ [pid 3993] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3993, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3996 ./strace-static-x86_64: Process 3996 attached [pid 3996] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3996] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3996] setpgid(0, 0) = 0 [pid 3996] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3996] write(3, "1000", 4) = 4 [pid 3996] close(3executing program ) = 0 [pid 3996] write(1, "executing program\n", 18) = 18 [pid 3996] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3996] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3996] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3996] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3996] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3996] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3996] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 3997 attached => {parent_tid=[3997]}, 88) = 3997 [pid 3997] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 3997] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3997] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3996] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3996] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3997] <... futex resumed>) = 0 [pid 3997] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 3996] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3997] <... socketpair resumed>[3, 4]) = 0 [pid 3997] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3997] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3996] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3996] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3997] <... futex resumed>) = 0 [pid 3997] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3997] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3997] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3997] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3997] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3997] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3997] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3997] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3997] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3997] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3997] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3997] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3997] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3997] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3997] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3997] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3997] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3997] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3996] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3996] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3997] <... sendmsg resumed>) = 0 [pid 3996] <... mmap resumed>) = 0x7f857e3c2000 [pid 3997] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3996] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 3997] <... sendmsg resumed>) = 0 [pid 3997] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3996] <... mprotect resumed>) = 0 [pid 3997] <... sendmsg resumed>) = 0 [pid 3996] rt_sigprocmask(SIG_BLOCK, ~[], [pid 3997] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3996] <... rt_sigprocmask resumed>[], 8) = 0 [pid 3997] <... sendmsg resumed>) = 0 [pid 3996] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 3997] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 3997] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3996] <... clone3 resumed> => {parent_tid=[3998]}, 88) = 3998 [pid 3996] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3996] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3996] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3998 attached [pid 3998] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 3998] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3998] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 3998] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3996] <... futex resumed>) = 0 [pid 3998] <... futex resumed>) = 1 [pid 3998] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3997] <... sendmsg resumed>) = 0 [pid 3997] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3997] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3997] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3997] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3997] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3997] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3997] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3997] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3997] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3997] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 3997] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3997] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3996] exit_group(0) = ? [pid 3997] <... futex resumed>) = 231 [pid 3998] <... futex resumed>) = ? [pid 3997] +++ exited with 0 +++ [pid 3998] +++ exited with 0 +++ [pid 3996] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3996, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 3999 ./strace-static-x86_64: Process 3999 attached [pid 3999] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 3999] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3999] setpgid(0, 0) = 0 [pid 3999] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3999] write(3, "1000", 4) = 4 [pid 3999] close(3executing program ) = 0 [pid 3999] write(1, "executing program\n", 18) = 18 [pid 3999] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3999] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 3999] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 3999] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 3999] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3999] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3999] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4000 attached => {parent_tid=[4000]}, 88) = 4000 [pid 4000] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4000] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4000] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3999] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3999] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4000] <... futex resumed>) = 0 [pid 4000] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4000] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4000] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3999] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 3999] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4000] <... futex resumed>) = 0 [pid 3999] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4000] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3999] <... futex resumed>) = 0 [pid 4000] <... sendmsg resumed>) = 0 [pid 4000] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4000] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3999] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4000] <... sendmsg resumed>) = 0 [pid 3999] <... mmap resumed>) = 0x7f857e3c2000 [pid 4000] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3999] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 4000] <... sendmsg resumed>) = 0 [pid 3999] <... mprotect resumed>) = 0 [pid 4000] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3999] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3999] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4000] <... sendmsg resumed>) = 0 [pid 4000] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3999] <... clone3 resumed> => {parent_tid=[4001]}, 88) = 4001 [pid 4000] <... sendmsg resumed>) = 0 [pid 3999] rt_sigprocmask(SIG_SETMASK, [], [pid 4000] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3999] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 3999] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 4000] <... sendmsg resumed>) = 0 [pid 4000] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 3999] <... futex resumed>) = 0 [pid 3999] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4000] <... sendmsg resumed>) = 0 [pid 4000] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4000] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4000] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4000] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4000] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4000] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4000] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4000] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4000] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4000] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4000] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 ./strace-static-x86_64: Process 4001 attached [pid 4000] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4000] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4000] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4000] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4000] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4000] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4000] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4000] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4000] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4000] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4000] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4000] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4001] set_robust_list(0x7f857e3e29a0, 24 [pid 4000] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4000] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4000] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4000] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4001] <... set_robust_list resumed>) = 0 [pid 4001] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4001] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4001] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3999] <... futex resumed>) = 0 [pid 3999] exit_group(0) = ? [pid 4001] +++ exited with 0 +++ [pid 4000] <... futex resumed>) = ? [pid 4000] +++ exited with 0 +++ [pid 3999] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3999, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4002 ./strace-static-x86_64: Process 4002 attached [pid 4002] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4002] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4002] setpgid(0, 0) = 0 [pid 4002] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4002] write(3, "1000", 4) = 4 [pid 4002] close(3) = 0 executing program [pid 4002] write(1, "executing program\n", 18) = 18 [pid 4002] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4002] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4002] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4002] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4002] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4002] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4002] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4003 attached => {parent_tid=[4003]}, 88) = 4003 [pid 4003] set_robust_list(0x7f857e4039a0, 24 [pid 4002] rt_sigprocmask(SIG_SETMASK, [], [pid 4003] <... set_robust_list resumed>) = 0 [pid 4003] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4003] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4002] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4002] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4003] <... futex resumed>) = 0 [pid 4003] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 4002] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4003] <... socketpair resumed>[3, 4]) = 0 [pid 4003] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4003] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4002] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4002] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4003] <... futex resumed>) = 0 [pid 4003] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4003] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4003] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4003] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4003] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4003] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4003] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4003] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4002] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4003] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4003] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4003] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4003] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4003] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4003] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4002] <... futex resumed>) = 0 [pid 4002] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4003] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4002] <... mmap resumed>) = 0x7f857e3c2000 [pid 4002] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 4003] <... sendmsg resumed>) = 0 [pid 4002] <... mprotect resumed>) = 0 [pid 4003] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4002] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4003] <... sendmsg resumed>) = 0 [pid 4002] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4003] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4002] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4003] <... sendmsg resumed>) = 0 [pid 4003] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4003] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4002] <... clone3 resumed> => {parent_tid=[4004]}, 88) = 4004 [pid 4002] rt_sigprocmask(SIG_SETMASK, [], [pid 4003] <... sendmsg resumed>) = 0 [pid 4002] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4003] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4002] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4003] <... sendmsg resumed>) = 0 [pid 4003] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4003] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4002] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4003] <... sendmsg resumed>) = 0 [pid 4003] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4003] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4003] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4003] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4003] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4003] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4003] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4003] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4003] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 ./strace-static-x86_64: Process 4004 attached [pid 4003] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4003] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4003] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4003] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4004] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4004] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4004] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4004] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4002] <... futex resumed>) = 0 [pid 4002] exit_group(0) = ? [pid 4004] exit_group(0 [pid 4003] <... futex resumed>) = ? [pid 4003] +++ exited with 0 +++ [pid 4004] +++ exited with 0 +++ [pid 4002] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4002, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>executing program ) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4005 ./strace-static-x86_64: Process 4005 attached [pid 4005] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4005] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4005] setpgid(0, 0) = 0 [pid 4005] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4005] write(3, "1000", 4) = 4 [pid 4005] close(3) = 0 [pid 4005] write(1, "executing program\n", 18) = 18 [pid 4005] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4005] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4005] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4005] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4005] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4005] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4005] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4006 attached => {parent_tid=[4006]}, 88) = 4006 [pid 4006] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4006] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4006] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4005] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4005] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4006] <... futex resumed>) = 0 [pid 4005] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4006] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4006] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4006] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4005] <... futex resumed>) = 0 [pid 4005] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4005] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4005] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4005] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4005] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4006] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4005] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4005] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4006] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4005] <... clone3 resumed> => {parent_tid=[4007]}, 88) = 4007 [pid 4006] <... sendmsg resumed>) = 0 [pid 4005] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4005] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4005] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4007 attached [pid 4007] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4007] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4007] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4007] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4005] <... futex resumed>) = 0 [pid 4006] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4007] <... futex resumed>) = 1 [pid 4006] <... sendmsg resumed>) = 0 [pid 4007] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4006] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4006] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4006] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4006] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4006] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4006] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4006] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4006] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4006] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4006] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4006] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4006] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4006] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4006] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4006] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4006] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4006] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4006] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4006] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4006] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4006] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4006] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4006] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4006] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4006] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4006] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4006] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4006] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4006] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4006] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4006] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4006] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4006] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4005] exit_group(0 [pid 4006] <... futex resumed>) = ? [pid 4005] <... exit_group resumed>) = ? [pid 4007] <... futex resumed>) = ? [pid 4006] +++ exited with 0 +++ [pid 4007] +++ exited with 0 +++ [pid 4005] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4005, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4008 ./strace-static-x86_64: Process 4008 attached [pid 4008] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4008] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4008] setpgid(0, 0) = 0 [pid 4008] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4008] write(3, "1000", 4) = 4 [pid 4008] close(3) = 0 [pid 4008] write(1, "executing program\n", 18executing program ) = 18 [pid 4008] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4008] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4008] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4008] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4008] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4008] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4008] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4009 attached => {parent_tid=[4009]}, 88) = 4009 [pid 4009] set_robust_list(0x7f857e4039a0, 24 [pid 4008] rt_sigprocmask(SIG_SETMASK, [], [pid 4009] <... set_robust_list resumed>) = 0 [pid 4008] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4009] rt_sigprocmask(SIG_SETMASK, [], [pid 4008] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4009] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4008] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4009] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4009] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4008] <... futex resumed>) = 0 [pid 4008] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4008] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4008] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4008] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4008] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4009] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4008] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4008] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[4010]}, 88) = 4010 [pid 4009] <... sendmsg resumed>) = 0 ./strace-static-x86_64: Process 4010 attached [pid 4008] rt_sigprocmask(SIG_SETMASK, [], [pid 4010] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4010] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4010] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4009] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4008] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4009] <... sendmsg resumed>) = 0 [pid 4008] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 4009] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4008] <... futex resumed>) = 1 [pid 4008] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4010] <... futex resumed>) = 0 [pid 4010] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4010] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4008] <... futex resumed>) = 0 [pid 4010] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4009] <... sendmsg resumed>) = 0 [pid 4009] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4009] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4009] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4009] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4009] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4009] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4009] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4009] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4009] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4009] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4009] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4009] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4009] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4009] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4009] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4009] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4009] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4009] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4009] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4009] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4009] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4009] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4009] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4009] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4009] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4009] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4009] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4009] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4009] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4009] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4009] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4008] exit_group(0) = ? [pid 4009] exit_group(0 [pid 4010] <... futex resumed>) = ? [pid 4010] +++ exited with 0 +++ [pid 4009] +++ exited with 0 +++ [pid 4008] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4008, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4011 attached , child_tidptr=0x55555bbac690) = 4011 [pid 4011] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4011] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4011] setpgid(0, 0) = 0 [pid 4011] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4011] write(3, "1000", 4) = 4 [pid 4011] close(3executing program ) = 0 [pid 4011] write(1, "executing program\n", 18) = 18 [pid 4011] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4011] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4011] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4011] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4011] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4011] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4011] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4012 attached => {parent_tid=[4012]}, 88) = 4012 [pid 4011] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4011] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4011] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4012] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4012] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4012] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4012] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4011] <... futex resumed>) = 0 [pid 4011] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4011] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4011] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4011] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4011] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4012] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4011] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4011] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[4013]}, 88) = 4013 [pid 4012] <... sendmsg resumed>) = 0 [pid 4011] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4011] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4011] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4013 attached [pid 4013] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4013] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4013] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4013] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4011] <... futex resumed>) = 0 [pid 4012] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4013] <... futex resumed>) = 1 [pid 4013] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4012] <... sendmsg resumed>) = 0 [pid 4012] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4012] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4012] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4012] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4012] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4012] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4012] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4012] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4012] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4012] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4012] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4012] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4012] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4012] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4012] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4012] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4012] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4012] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4012] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4012] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4012] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4012] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4012] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4012] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4012] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4012] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4012] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4012] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4012] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4012] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4012] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4012] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4012] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4011] exit_group(0) = ? [pid 4012] <... futex resumed>) = ? [pid 4012] +++ exited with 0 +++ [pid 4013] <... futex resumed>) = ? [pid 4013] +++ exited with 0 +++ [pid 4011] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4011, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4014 ./strace-static-x86_64: Process 4014 attached [pid 4014] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4014] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4014] setpgid(0, 0) = 0 [pid 4014] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program ) = 3 [pid 4014] write(3, "1000", 4) = 4 [pid 4014] close(3) = 0 [pid 4014] write(1, "executing program\n", 18) = 18 [pid 4014] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4014] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4014] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4014] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4014] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4014] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4014] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4015 attached => {parent_tid=[4015]}, 88) = 4015 [pid 4015] set_robust_list(0x7f857e4039a0, 24 [pid 4014] rt_sigprocmask(SIG_SETMASK, [], [pid 4015] <... set_robust_list resumed>) = 0 [pid 4014] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4014] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 4015] rt_sigprocmask(SIG_SETMASK, [], [pid 4014] <... futex resumed>) = 0 [pid 4015] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4014] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4015] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4015] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4014] <... futex resumed>) = 0 [pid 4014] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4014] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4014] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4014] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4014] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4014] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4015] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0./strace-static-x86_64: Process 4016 attached [pid 4014] <... clone3 resumed> => {parent_tid=[4016]}, 88) = 4016 [pid 4014] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4014] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4014] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4016] set_robust_list(0x7f857e3e29a0, 24 [pid 4015] <... sendmsg resumed>) = 0 [pid 4016] <... set_robust_list resumed>) = 0 [pid 4015] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4016] rt_sigprocmask(SIG_SETMASK, [], [pid 4015] <... sendmsg resumed>) = 0 [pid 4016] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4015] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4016] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 4015] <... sendmsg resumed>) = 0 [pid 4016] <... setsockopt resumed>) = 0 [pid 4015] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4016] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4015] <... sendmsg resumed>) = 0 [pid 4016] <... futex resumed>) = 1 [pid 4015] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4014] <... futex resumed>) = 0 [pid 4015] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 4016] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4015] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4015] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4015] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4015] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4015] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4015] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4015] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4015] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4015] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4015] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4015] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4015] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4015] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4015] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4015] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4015] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4015] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4015] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4015] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4015] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4015] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4015] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4015] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4015] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4015] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4015] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4015] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4015] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4015] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4015] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4014] exit_group(0 [pid 4016] <... futex resumed>) = ? [pid 4015] <... futex resumed>) = ? [pid 4014] <... exit_group resumed>) = ? [pid 4016] +++ exited with 0 +++ [pid 4015] +++ exited with 0 +++ [pid 4014] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4014, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4017 ./strace-static-x86_64: Process 4017 attached [pid 4017] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4017] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4017] setpgid(0, 0) = 0 [pid 4017] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4017] write(3, "1000", 4) = 4 [pid 4017] close(3) = 0 executing program [pid 4017] write(1, "executing program\n", 18) = 18 [pid 4017] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4017] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4017] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4017] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4017] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4017] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4017] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4018 attached => {parent_tid=[4018]}, 88) = 4018 [pid 4017] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4017] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4017] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4018] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4018] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4018] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4018] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4017] <... futex resumed>) = 0 [pid 4018] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4017] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 4018] <... sendmsg resumed>) = 0 [pid 4017] <... futex resumed>) = 0 [pid 4018] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4017] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4018] <... sendmsg resumed>) = 0 [pid 4017] <... futex resumed>) = 0 [pid 4018] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4017] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4018] <... sendmsg resumed>) = 0 [pid 4017] <... mmap resumed>) = 0x7f857e3c2000 [pid 4018] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4017] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 4018] <... sendmsg resumed>) = 0 [pid 4017] <... mprotect resumed>) = 0 [pid 4018] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4017] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4018] <... sendmsg resumed>) = 0 [pid 4017] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4018] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4017] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0}./strace-static-x86_64: Process 4019 attached [pid 4018] <... sendmsg resumed>) = 0 [pid 4018] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4017] <... clone3 resumed> => {parent_tid=[4019]}, 88) = 4019 [pid 4018] <... sendmsg resumed>) = 0 [pid 4017] rt_sigprocmask(SIG_SETMASK, [], [pid 4018] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4017] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4018] <... sendmsg resumed>) = 0 [pid 4017] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 4018] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4017] <... futex resumed>) = 0 [pid 4018] <... sendmsg resumed>) = 0 [pid 4017] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4018] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4018] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4018] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4018] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4018] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4018] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4018] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4018] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4018] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4018] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4018] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4018] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4018] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4018] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4018] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4018] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4018] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4018] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4018] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4018] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4018] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4018] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4018] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4018] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4018] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4018] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4019] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4019] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4019] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4019] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4017] <... futex resumed>) = 0 [pid 4017] exit_group(0 [pid 4018] <... futex resumed>) = ? [pid 4017] <... exit_group resumed>) = ? [pid 4018] +++ exited with 0 +++ [pid 4019] <... futex resumed>) = ? [pid 4019] +++ exited with 0 +++ [pid 4017] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4017, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4020 ./strace-static-x86_64: Process 4020 attached [pid 4020] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4020] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4020] setpgid(0, 0) = 0 [pid 4020] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4020] write(3, "1000", 4) = 4 [pid 4020] close(3executing program ) = 0 [pid 4020] write(1, "executing program\n", 18) = 18 [pid 4020] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4020] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4020] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4020] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4020] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4020] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4020] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4021 attached => {parent_tid=[4021]}, 88) = 4021 [pid 4020] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4020] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4020] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4021] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4021] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4021] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4021] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4020] <... futex resumed>) = 0 [pid 4020] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4020] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4020] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4020] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4020] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4021] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4020] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4020] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4021] <... sendmsg resumed>) = 0 [pid 4021] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4020] <... clone3 resumed> => {parent_tid=[4022]}, 88) = 4022 [pid 4020] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4020] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4020] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4022 attached [pid 4022] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4022] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4022] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4022] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4020] <... futex resumed>) = 0 [pid 4022] <... futex resumed>) = 1 [pid 4021] <... sendmsg resumed>) = 0 [pid 4022] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4021] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4021] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4021] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4021] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4021] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4021] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4021] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4021] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4021] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4021] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4021] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4021] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4021] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4021] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4021] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4021] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4021] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4021] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4021] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4021] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4021] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4021] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4021] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4021] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4021] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4021] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4021] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4021] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4021] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4021] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4021] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4021] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4020] exit_group(0) = ? [pid 4021] <... futex resumed>) = ? [pid 4022] <... futex resumed>) = ? [pid 4021] +++ exited with 0 +++ [pid 4022] +++ exited with 0 +++ [pid 4020] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4020, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4023 ./strace-static-x86_64: Process 4023 attached [pid 4023] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4023] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4023] setpgid(0, 0) = 0 [pid 4023] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program ) = 3 [pid 4023] write(3, "1000", 4) = 4 [pid 4023] close(3) = 0 [pid 4023] write(1, "executing program\n", 18) = 18 [pid 4023] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4023] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4023] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4023] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4023] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4023] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4023] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4024 attached => {parent_tid=[4024]}, 88) = 4024 [pid 4024] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4024] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4024] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4023] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4023] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4024] <... futex resumed>) = 0 [pid 4023] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4024] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4024] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4023] <... futex resumed>) = 0 [pid 4023] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4023] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4023] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4023] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4023] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4023] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[4025]}, 88) = 4025 [pid 4023] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4023] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4023] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4025 attached [pid 4025] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4025] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4025] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4025] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4023] <... futex resumed>) = 0 [pid 4025] <... futex resumed>) = 1 [pid 4025] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4024] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4024] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4024] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4024] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4024] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4024] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4024] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4024] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4024] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4024] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4024] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4024] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4024] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4024] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4024] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4024] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4024] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4024] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4024] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4024] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4024] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4024] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4024] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4024] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4024] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4024] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4024] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4024] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4024] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4024] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4024] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4024] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4024] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4024] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4024] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4023] exit_group(0) = ? [pid 4024] <... futex resumed>) = ? [pid 4025] <... futex resumed>) = ? [pid 4024] +++ exited with 0 +++ [pid 4025] +++ exited with 0 +++ [pid 4023] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4023, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4026 attached , child_tidptr=0x55555bbac690) = 4026 [pid 4026] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4026] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4026] setpgid(0, 0) = 0 [pid 4026] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4026] write(3, "1000", 4) = 4 [pid 4026] close(3executing program ) = 0 [pid 4026] write(1, "executing program\n", 18) = 18 [pid 4026] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4026] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4026] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4026] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4026] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4026] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4026] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4027 attached => {parent_tid=[4027]}, 88) = 4027 [pid 4027] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4026] rt_sigprocmask(SIG_SETMASK, [], [pid 4027] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4027] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4026] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4026] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4027] <... futex resumed>) = 0 [pid 4027] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4026] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4027] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4027] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4026] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4026] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4027] <... futex resumed>) = 0 [pid 4027] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4027] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4027] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4027] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4027] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4026] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4026] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4026] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 4027] <... sendmsg resumed>) = 0 [pid 4026] <... mprotect resumed>) = 0 [pid 4027] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4026] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4026] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4027] <... sendmsg resumed>) = 0 [pid 4027] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4027] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4026] <... clone3 resumed> => {parent_tid=[4028]}, 88) = 4028 [pid 4026] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4027] <... sendmsg resumed>) = 0 [pid 4026] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 4028 attached ) = 0 [pid 4026] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4027] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4027] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4028] set_robust_list(0x7f857e3e29a0, 24 [pid 4027] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4027] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4027] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4027] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4028] <... set_robust_list resumed>) = 0 [pid 4027] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4027] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4027] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4027] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4027] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4027] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4027] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4027] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4027] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4027] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4027] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4027] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4028] rt_sigprocmask(SIG_SETMASK, [], [pid 4027] <... sendmsg resumed>) = 0 [pid 4027] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4027] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4027] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4027] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4027] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4027] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4027] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4028] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4027] <... sendmsg resumed>) = 0 [pid 4027] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4027] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4028] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4028] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4026] <... futex resumed>) = 0 [pid 4028] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4026] exit_group(0) = ? [pid 4028] <... futex resumed>) = ? [pid 4028] +++ exited with 0 +++ [pid 4027] <... futex resumed>) = ? [pid 4027] +++ exited with 0 +++ [pid 4026] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4026, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4029 ./strace-static-x86_64: Process 4029 attached [pid 4029] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4029] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4029] setpgid(0, 0) = 0 [pid 4029] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4029] write(3, "1000", 4) = 4 [pid 4029] close(3) = 0 [pid 4029] write(1, "executing program\n", 18executing program ) = 18 [pid 4029] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4029] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4029] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4029] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4029] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4029] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4029] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4030 attached => {parent_tid=[4030]}, 88) = 4030 [pid 4030] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4029] rt_sigprocmask(SIG_SETMASK, [], [pid 4030] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4030] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4029] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4029] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4030] <... futex resumed>) = 0 [pid 4030] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4029] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4030] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4029] <... futex resumed>) = 0 [pid 4030] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4029] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4029] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4029] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4030] <... sendmsg resumed>) = 0 [pid 4029] <... mmap resumed>) = 0x7f857e3c2000 [pid 4030] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4029] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 4030] <... sendmsg resumed>) = 0 [pid 4029] <... mprotect resumed>) = 0 [pid 4030] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4029] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4029] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4030] <... sendmsg resumed>) = 0 [pid 4030] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4029] <... clone3 resumed> => {parent_tid=[4031]}, 88) = 4031 [pid 4030] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4029] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4029] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4029] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4030] <... sendmsg resumed>) = 0 [pid 4030] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4030] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4030] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0./strace-static-x86_64: Process 4031 attached ) = 0 [pid 4030] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4030] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4031] set_robust_list(0x7f857e3e29a0, 24 [pid 4030] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4030] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4030] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4031] <... set_robust_list resumed>) = 0 [pid 4030] <... sendmsg resumed>) = 0 [pid 4030] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4031] rt_sigprocmask(SIG_SETMASK, [], [pid 4030] <... sendmsg resumed>) = 0 [pid 4030] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4030] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4030] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4030] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4030] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4030] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4031] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4030] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4030] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4030] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4031] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 4030] <... sendmsg resumed>) = 0 [pid 4030] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4030] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4030] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4031] <... setsockopt resumed>) = 0 [pid 4030] <... sendmsg resumed>) = 0 [pid 4031] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4030] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4030] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4030] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4030] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4030] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4030] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4030] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4030] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4030] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4031] <... futex resumed>) = 1 [pid 4029] <... futex resumed>) = 0 [pid 4031] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4029] exit_group(0 [pid 4031] <... futex resumed>) = 231 [pid 4029] <... exit_group resumed>) = ? [pid 4030] <... futex resumed>) = ? [pid 4030] +++ exited with 0 +++ [pid 4031] +++ exited with 0 +++ [pid 4029] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4029, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4032 attached , child_tidptr=0x55555bbac690) = 4032 [pid 4032] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4032] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4032] setpgid(0, 0) = 0 [pid 4032] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4032] write(3, "1000", 4) = 4 [pid 4032] close(3) = 0 [pid 4032] write(1, "executing program\n", 18executing program ) = 18 [pid 4032] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4032] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4032] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4032] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4032] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4032] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4032] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4033 attached => {parent_tid=[4033]}, 88) = 4033 [pid 4033] set_robust_list(0x7f857e4039a0, 24 [pid 4032] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4032] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4032] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4033] <... set_robust_list resumed>) = 0 [pid 4033] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4033] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4033] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4032] <... futex resumed>) = 0 [pid 4032] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4032] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4032] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4032] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4032] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4032] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[4034]}, 88) = 4034 [pid 4032] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4032] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4032] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4034 attached [pid 4034] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4034] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4034] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4034] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4032] <... futex resumed>) = 0 [pid 4034] <... futex resumed>) = 1 [pid 4034] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4033] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4033] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4033] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4033] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4033] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4033] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4033] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4033] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4033] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4033] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4033] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4033] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4033] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4033] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4033] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4033] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4033] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4033] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4033] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4033] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4033] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4033] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4033] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4033] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4033] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4033] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4033] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4033] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4033] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4033] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4033] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4033] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4033] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4033] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4033] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4032] exit_group(0) = ? [pid 4034] <... futex resumed>) = ? [pid 4034] +++ exited with 0 +++ [pid 4033] <... futex resumed>) = ? [pid 4033] +++ exited with 0 +++ [pid 4032] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4032, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4035 attached , child_tidptr=0x55555bbac690) = 4035 [pid 4035] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4035] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4035] setpgid(0, 0) = 0 [pid 4035] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4035] write(3, "1000", 4) = 4 [pid 4035] close(3executing program ) = 0 [pid 4035] write(1, "executing program\n", 18) = 18 [pid 4035] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4035] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4035] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4035] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4035] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4035] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4035] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[4036]}, 88) = 4036 [pid 4035] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4035] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4035] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4036 attached [pid 4036] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4036] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4036] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4036] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4035] <... futex resumed>) = 0 [pid 4035] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4035] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4035] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4035] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4035] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4036] <... futex resumed>) = 1 [pid 4035] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4035] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4036] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4035] <... clone3 resumed> => {parent_tid=[4037]}, 88) = 4037 [pid 4035] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4035] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4035] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4037 attached [pid 4037] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4037] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4037] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4037] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4035] <... futex resumed>) = 0 [pid 4037] <... futex resumed>) = 1 [pid 4037] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4036] <... sendmsg resumed>) = 0 [pid 4036] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4036] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4036] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4036] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4036] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4036] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4036] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4036] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4036] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4036] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4036] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4036] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4036] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4036] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4036] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4036] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4036] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4036] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4036] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4036] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4036] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4036] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4036] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4036] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4036] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4036] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4036] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4036] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4036] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4036] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4036] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4036] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4036] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4035] exit_group(0) = ? [pid 4036] +++ exited with 0 +++ [pid 4037] <... futex resumed>) = ? [pid 4037] +++ exited with 0 +++ [pid 4035] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4035, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4038 ./strace-static-x86_64: Process 4038 attached [pid 4038] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4038] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4038] setpgid(0, 0) = 0 [pid 4038] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4038] write(3, "1000", 4) = 4 [pid 4038] close(3) = 0 [pid 4038] write(1, "executing program\n", 18executing program ) = 18 [pid 4038] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4038] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4038] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4038] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4038] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4038] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4038] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4039 attached => {parent_tid=[4039]}, 88) = 4039 [pid 4039] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4039] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4039] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4038] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4038] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4039] <... futex resumed>) = 0 [pid 4038] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4039] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4039] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4039] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4038] <... futex resumed>) = 0 [pid 4038] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4038] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4038] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4038] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4038] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4038] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4039] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4038] <... clone3 resumed> => {parent_tid=[4040]}, 88) = 4040 [pid 4038] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4038] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4038] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4040 attached [pid 4040] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4040] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4040] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4040] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4038] <... futex resumed>) = 0 [pid 4039] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4040] <... futex resumed>) = 1 [pid 4039] <... sendmsg resumed>) = 0 [pid 4040] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4039] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4039] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4039] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4039] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4039] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4039] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4039] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4039] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4039] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4039] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4039] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4039] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4039] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4039] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4039] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4039] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4039] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4039] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4039] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4039] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4039] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4039] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4039] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4039] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4039] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4039] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4039] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4039] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4039] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4039] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4039] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4039] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4039] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4039] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4038] exit_group(0 [pid 4039] <... futex resumed>) = ? [pid 4038] <... exit_group resumed>) = ? [pid 4039] +++ exited with 0 +++ [pid 4040] <... futex resumed>) = ? [pid 4040] +++ exited with 0 +++ [pid 4038] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4038, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4041 ./strace-static-x86_64: Process 4041 attached [pid 4041] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4041] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4041] setpgid(0, 0) = 0 [pid 4041] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4041] write(3, "1000", 4) = 4 [pid 4041] close(3) = 0 executing program [pid 4041] write(1, "executing program\n", 18) = 18 [pid 4041] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4041] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4041] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4041] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4041] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4041] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4041] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4042 attached => {parent_tid=[4042]}, 88) = 4042 [pid 4042] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4042] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4042] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4041] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4041] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4042] <... futex resumed>) = 0 [pid 4042] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 4041] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4042] <... socketpair resumed>[3, 4]) = 0 [pid 4042] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4041] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4042] <... futex resumed>) = 0 [pid 4042] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4041] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4042] <... futex resumed>) = 0 [pid 4042] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4042] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4042] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4042] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4042] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4042] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4042] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4042] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4042] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4042] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4042] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4042] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4042] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4042] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4042] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4042] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4042] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4042] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4042] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4042] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4042] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4042] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4042] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4042] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4042] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4042] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4042] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4042] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4042] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4041] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4042] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4041] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4042] <... sendmsg resumed>) = 0 [pid 4041] <... mmap resumed>) = 0x7f857e3c2000 [pid 4042] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4041] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4042] <... sendmsg resumed>) = 0 [pid 4042] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4042] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4041] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4042] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4041] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4042] <... futex resumed>) = 0 [pid 4041] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4042] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4041] <... clone3 resumed> => {parent_tid=[4043]}, 88) = 4043 ./strace-static-x86_64: Process 4043 attached [pid 4041] rt_sigprocmask(SIG_SETMASK, [], [pid 4043] set_robust_list(0x7f857e3e29a0, 24 [pid 4041] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4043] <... set_robust_list resumed>) = 0 [pid 4041] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 4043] rt_sigprocmask(SIG_SETMASK, [], [pid 4041] <... futex resumed>) = 0 [pid 4043] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4041] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4043] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4043] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4041] <... futex resumed>) = 0 [pid 4043] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4041] exit_group(0) = ? [pid 4042] <... futex resumed>) = ? [pid 4042] +++ exited with 0 +++ [pid 4043] <... futex resumed>) = ? [pid 4043] +++ exited with 0 +++ [pid 4041] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4041, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4044 attached , child_tidptr=0x55555bbac690) = 4044 [pid 4044] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4044] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4044] setpgid(0, 0) = 0 [pid 4044] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4044] write(3, "1000", 4) = 4 [pid 4044] close(3) = 0 [pid 4044] write(1, "executing program\n", 18executing program ) = 18 [pid 4044] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4044] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4044] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4044] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4044] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4044] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4044] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4045 attached => {parent_tid=[4045]}, 88) = 4045 [pid 4045] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4045] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4045] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4044] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4044] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4045] <... futex resumed>) = 0 [pid 4045] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4044] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4045] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4045] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4044] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4044] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4045] <... futex resumed>) = 0 [pid 4045] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4045] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4045] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4045] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4045] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4045] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4045] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4045] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4045] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4045] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4045] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4045] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4045] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4045] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4044] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4045] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4045] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4045] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4045] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4045] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4045] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4045] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4045] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4045] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4044] <... futex resumed>) = 0 [pid 4045] <... sendmsg resumed>) = 0 [pid 4045] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4045] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4045] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4045] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4045] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4045] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4045] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4045] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4045] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4045] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4045] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4045] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4044] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4044] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4044] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4044] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0}./strace-static-x86_64: Process 4046 attached => {parent_tid=[4046]}, 88) = 4046 [pid 4046] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4046] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4046] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4044] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4044] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4046] <... futex resumed>) = 0 [pid 4044] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4046] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4046] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4046] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4044] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4044] exit_group(0 [pid 4045] <... futex resumed>) = ? [pid 4044] <... exit_group resumed>) = ? [pid 4045] +++ exited with 0 +++ [pid 4046] <... futex resumed>) = ? [pid 4046] +++ exited with 0 +++ [pid 4044] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4044, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4047 ./strace-static-x86_64: Process 4047 attached [pid 4047] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4047] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4047] setpgid(0, 0) = 0 [pid 4047] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4047] write(3, "1000", 4) = 4 [pid 4047] close(3) = 0 [pid 4047] write(1, "executing program\n", 18) = 18 executing program [pid 4047] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4047] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4047] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4047] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4047] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4047] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4047] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[4048]}, 88) = 4048 [pid 4047] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4047] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4047] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4048 attached [pid 4048] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4048] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4048] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4048] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4047] <... futex resumed>) = 0 [pid 4047] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4047] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4047] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4047] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4047] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4047] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[4049]}, 88) = 4049 [pid 4047] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4047] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4047] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4048] <... futex resumed>) = 1 [pid 4048] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4048] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4048] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4048] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4048] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4048] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4048] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4048] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4048] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4048] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4048] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4048] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4048] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4048] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4048] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4048] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4048] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4048] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4048] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4048] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4048] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4048] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4048] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4048] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4048] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4048] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4048] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4048] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4048] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4048] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4048] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4048] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4048] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4048] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4048] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 4049 attached [pid 4049] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4049] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4049] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4049] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4047] <... futex resumed>) = 0 [pid 4047] exit_group(0) = ? [pid 4048] <... futex resumed>) = ? [pid 4048] +++ exited with 0 +++ [pid 4049] +++ exited with 0 +++ [pid 4047] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4047, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4050 attached , child_tidptr=0x55555bbac690) = 4050 [pid 4050] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4050] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4050] setpgid(0, 0) = 0 [pid 4050] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4050] write(3, "1000", 4) = 4 [pid 4050] close(3) = 0 [pid 4050] write(1, "executing program\n", 18executing program ) = 18 [pid 4050] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4050] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4050] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4050] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4050] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4050] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4050] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4051 attached => {parent_tid=[4051]}, 88) = 4051 [pid 4051] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4051] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4051] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4050] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4050] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4051] <... futex resumed>) = 0 [pid 4051] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 4050] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4051] <... socketpair resumed>[3, 4]) = 0 [pid 4051] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4051] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4050] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4050] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4051] <... futex resumed>) = 0 [pid 4051] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4051] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4051] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4051] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4051] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4051] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4051] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4051] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4051] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4051] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4051] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4051] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4051] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4051] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4050] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4051] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4050] <... futex resumed>) = 0 [pid 4051] <... sendmsg resumed>) = 0 [pid 4050] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4051] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4050] <... mmap resumed>) = 0x7f857e3c2000 [pid 4051] <... sendmsg resumed>) = 0 [pid 4050] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4051] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4050] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4051] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4050] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4051] <... sendmsg resumed>) = 0 [pid 4050] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4051] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0./strace-static-x86_64: Process 4052 attached [pid 4052] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4052] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4052] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4051] <... sendmsg resumed>) = 0 [pid 4050] <... clone3 resumed> => {parent_tid=[4052]}, 88) = 4052 [pid 4051] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4050] rt_sigprocmask(SIG_SETMASK, [], [pid 4051] <... sendmsg resumed>) = 0 [pid 4050] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4051] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4050] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 4051] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4050] <... futex resumed>) = 1 [pid 4051] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4052] <... futex resumed>) = 0 [pid 4052] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4052] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4052] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4051] <... sendmsg resumed>) = 0 [pid 4050] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4051] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4050] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4051] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 4051] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4051] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4051] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4051] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4051] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4051] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4051] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4051] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4051] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4051] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4051] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4050] exit_group(0 [pid 4052] <... futex resumed>) = 231 [pid 4050] <... exit_group resumed>) = ? [pid 4051] <... futex resumed>) = ? [pid 4051] +++ exited with 0 +++ [pid 4052] +++ exited with 0 +++ [pid 4050] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4050, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4053 ./strace-static-x86_64: Process 4053 attached [pid 4053] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4053] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4053] setpgid(0, 0) = 0 [pid 4053] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4053] write(3, "1000", 4) = 4 [pid 4053] close(3) = 0 [pid 4053] write(1, "executing program\n", 18executing program ) = 18 [pid 4053] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4053] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4053] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4053] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4053] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4053] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4053] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4054 attached [pid 4054] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4054] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4054] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4053] <... clone3 resumed> => {parent_tid=[4054]}, 88) = 4054 [pid 4053] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4053] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4054] <... futex resumed>) = 0 [pid 4053] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4054] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4054] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4054] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4053] <... futex resumed>) = 0 [pid 4053] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4054] <... futex resumed>) = 0 [pid 4054] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4054] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4054] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4054] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4054] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4054] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4054] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4054] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4054] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4054] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4054] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4054] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4054] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4054] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4054] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4054] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4054] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4054] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4054] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4054] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4054] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4054] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4054] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4054] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4054] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4054] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4053] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4054] <... sendmsg resumed>) = 0 [pid 4054] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4054] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4053] <... futex resumed>) = 0 [pid 4053] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4054] <... sendmsg resumed>) = 0 [pid 4053] <... mmap resumed>) = 0x7f857e3c2000 [pid 4054] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4053] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 4054] <... sendmsg resumed>) = 0 [pid 4053] <... mprotect resumed>) = 0 [pid 4054] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4054] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4053] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4053] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4054] <... sendmsg resumed>) = 0 [pid 4054] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4053] <... clone3 resumed> => {parent_tid=[4055]}, 88) = 4055 [pid 4053] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4054] <... sendmsg resumed>) = 0 [pid 4053] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 4054] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4053] <... futex resumed>) = 0 [pid 4053] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4054] <... sendmsg resumed>) = 0 [pid 4054] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4054] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 4055 attached [pid 4055] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4055] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4055] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4055] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4053] <... futex resumed>) = 0 [pid 4055] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4053] exit_group(0) = ? [pid 4054] <... futex resumed>) = ? [pid 4054] +++ exited with 0 +++ [pid 4055] <... futex resumed>) = ? [pid 4055] +++ exited with 0 +++ [pid 4053] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4053, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4056 attached , child_tidptr=0x55555bbac690) = 4056 [pid 4056] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4056] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4056] setpgid(0, 0) = 0 [pid 4056] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4056] write(3, "1000", 4) = 4 [pid 4056] close(3) = 0 executing program [pid 4056] write(1, "executing program\n", 18) = 18 [pid 4056] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4056] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4056] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4056] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4056] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4056] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4056] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4057 attached [pid 4057] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4057] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4057] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4056] <... clone3 resumed> => {parent_tid=[4057]}, 88) = 4057 [pid 4056] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4056] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4057] <... futex resumed>) = 0 [pid 4057] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4056] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4057] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4056] <... futex resumed>) = 0 [pid 4056] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4056] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4056] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4056] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4056] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4057] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4057] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4057] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4057] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4057] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4056] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4057] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4057] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4057] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4057] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4057] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4057] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4057] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4057] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4057] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4057] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4057] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4056] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4057] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4057] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4057] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4057] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4057] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4057] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4057] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4057] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4057] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4057] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4057] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4057] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4057] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4057] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4057] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4057] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4057] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4057] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4057] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 4058 attached [pid 4058] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4058] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4058] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4056] <... clone3 resumed> => {parent_tid=[4058]}, 88) = 4058 [pid 4056] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4056] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4058] <... futex resumed>) = 0 [pid 4058] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4058] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4058] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4056] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 4056] exit_group(0 [pid 4057] <... futex resumed>) = ? [pid 4057] +++ exited with 0 +++ [pid 4058] <... futex resumed>) = ? [pid 4058] +++ exited with 0 +++ [pid 4056] <... exit_group resumed>) = ? [pid 4056] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4056, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4059 attached [pid 4059] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 524] <... clone resumed>, child_tidptr=0x55555bbac690) = 4059 [pid 4059] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4059] setpgid(0, 0) = 0 [pid 4059] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4059] write(3, "1000", 4) = 4 [pid 4059] close(3) = 0 [pid 4059] write(1, "executing program\n", 18executing program ) = 18 [pid 4059] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4059] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4059] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4059] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4059] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4059] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4059] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4060 attached => {parent_tid=[4060]}, 88) = 4060 [pid 4060] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4060] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4060] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4059] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4059] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4060] <... futex resumed>) = 0 [pid 4060] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 4059] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4060] <... socketpair resumed>[3, 4]) = 0 [pid 4060] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4059] <... futex resumed>) = 0 [pid 4059] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4059] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4059] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4059] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4059] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4059] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4060] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4059] <... clone3 resumed> => {parent_tid=[4061]}, 88) = 4061 [pid 4059] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4059] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4059] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4061 attached [pid 4061] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4061] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4061] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4061] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4059] <... futex resumed>) = 0 [pid 4061] <... futex resumed>) = 1 [pid 4061] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4060] <... sendmsg resumed>) = 0 [pid 4060] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4060] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4060] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4060] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4060] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4060] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4060] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4060] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4060] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4060] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4060] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4060] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4060] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4060] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4060] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4060] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4060] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4060] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4060] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4060] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4060] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4060] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4060] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4060] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4060] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4060] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4060] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4060] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4060] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4060] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4060] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4060] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4060] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4060] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4059] exit_group(0) = ? [pid 4060] <... futex resumed>) = ? [pid 4060] +++ exited with 0 +++ [pid 4061] <... futex resumed>) = ? [pid 4061] +++ exited with 0 +++ [pid 4059] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4059, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4062 ./strace-static-x86_64: Process 4062 attached [pid 4062] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4062] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4062] setpgid(0, 0) = 0 [pid 4062] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4062] write(3, "1000", 4) = 4 [pid 4062] close(3) = 0 executing program [pid 4062] write(1, "executing program\n", 18) = 18 [pid 4062] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4062] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4062] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4062] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4062] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4062] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4062] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4063 attached => {parent_tid=[4063]}, 88) = 4063 [pid 4063] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4062] rt_sigprocmask(SIG_SETMASK, [], [pid 4063] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4063] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4062] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4062] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4063] <... futex resumed>) = 0 [pid 4063] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4062] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4063] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4063] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4062] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4062] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4063] <... futex resumed>) = 0 [pid 4062] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4063] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4062] <... futex resumed>) = 0 [pid 4062] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4063] <... sendmsg resumed>) = 0 [pid 4062] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 4063] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4062] <... mprotect resumed>) = 0 [pid 4063] <... sendmsg resumed>) = 0 [pid 4062] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4063] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4062] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4062] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4063] <... sendmsg resumed>) = 0 [pid 4063] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4062] <... clone3 resumed> => {parent_tid=[4064]}, 88) = 4064 [pid 4063] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4062] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4062] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4063] <... sendmsg resumed>) = 0 [pid 4062] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4063] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4063] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4063] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4063] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4063] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 ./strace-static-x86_64: Process 4064 attached [pid 4063] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4064] set_robust_list(0x7f857e3e29a0, 24 [pid 4063] <... sendmsg resumed>) = 0 [pid 4063] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4063] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4063] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4064] <... set_robust_list resumed>) = 0 [pid 4063] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4063] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4063] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4064] rt_sigprocmask(SIG_SETMASK, [], [pid 4063] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4063] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4063] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4063] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4063] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4063] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4063] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4063] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4064] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4063] <... sendmsg resumed>) = 0 [pid 4063] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4063] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4063] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4064] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 4063] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4063] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4063] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4064] <... setsockopt resumed>) = 0 [pid 4063] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4063] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4064] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4063] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 4063] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4063] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4064] <... futex resumed>) = 1 [pid 4062] <... futex resumed>) = 0 [pid 4064] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4062] exit_group(0) = ? [pid 4064] <... futex resumed>) = ? [pid 4063] <... futex resumed>) = ? [pid 4063] +++ exited with 0 +++ [pid 4064] +++ exited with 0 +++ [pid 4062] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4062, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4065 attached , child_tidptr=0x55555bbac690) = 4065 [pid 4065] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4065] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4065] setpgid(0, 0) = 0 [pid 4065] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4065] write(3, "1000", 4) = 4 [pid 4065] close(3executing program ) = 0 [pid 4065] write(1, "executing program\n", 18) = 18 [pid 4065] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4065] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4065] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4065] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4065] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4065] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4065] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4066 attached [pid 4066] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4066] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4066] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4065] <... clone3 resumed> => {parent_tid=[4066]}, 88) = 4066 [pid 4065] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4065] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4066] <... futex resumed>) = 0 [pid 4066] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 4065] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4066] <... socketpair resumed>[3, 4]) = 0 [pid 4066] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4066] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4065] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4065] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4065] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4066] <... futex resumed>) = 0 [pid 4065] <... futex resumed>) = 0 [pid 4066] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4065] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4066] <... sendmsg resumed>) = 0 [pid 4065] <... mmap resumed>) = 0x7f857e3c2000 [pid 4066] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4065] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 4066] <... sendmsg resumed>) = 0 [pid 4065] <... mprotect resumed>) = 0 [pid 4066] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4065] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4065] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4066] <... sendmsg resumed>) = 0 [pid 4066] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4066] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4065] <... clone3 resumed> => {parent_tid=[4067]}, 88) = 4067 [pid 4065] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4065] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4066] <... sendmsg resumed>) = 0 [pid 4065] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4066] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4066] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4066] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4066] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4066] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4066] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4066] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4066] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0./strace-static-x86_64: Process 4067 attached ) = 0 [pid 4066] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4067] set_robust_list(0x7f857e3e29a0, 24 [pid 4066] <... sendmsg resumed>) = 0 [pid 4066] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4066] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4066] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4066] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4066] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4066] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4066] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4067] <... set_robust_list resumed>) = 0 [pid 4066] <... sendmsg resumed>) = 0 [pid 4066] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4066] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4066] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4067] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4066] <... sendmsg resumed>) = 0 [pid 4066] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4067] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 4066] <... sendmsg resumed>) = 0 [pid 4067] <... setsockopt resumed>) = 0 [pid 4066] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4067] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4066] <... sendmsg resumed>) = 0 [pid 4067] <... futex resumed>) = 1 [pid 4065] <... futex resumed>) = 0 [pid 4066] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4066] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4066] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4066] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4066] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4066] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4066] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4066] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4066] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4067] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4065] exit_group(0) = ? [pid 4066] <... futex resumed>) = ? [pid 4067] <... futex resumed>) = ? [pid 4066] +++ exited with 0 +++ [pid 4067] +++ exited with 0 +++ [pid 4065] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4065, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4068 ./strace-static-x86_64: Process 4068 attached [pid 4068] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4068] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4068] setpgid(0, 0) = 0 [pid 4068] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4068] write(3, "1000", 4) = 4 [pid 4068] close(3) = 0 executing program [pid 4068] write(1, "executing program\n", 18) = 18 [pid 4068] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4068] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4068] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4068] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4068] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4068] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4068] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4069 attached => {parent_tid=[4069]}, 88) = 4069 [pid 4069] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4069] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4069] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4068] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4068] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4069] <... futex resumed>) = 0 [pid 4069] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 4068] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4069] <... socketpair resumed>[3, 4]) = 0 [pid 4069] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4068] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4069] <... futex resumed>) = 0 [pid 4069] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4068] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 4069] <... futex resumed>) = 0 [pid 4068] <... futex resumed>) = 1 [pid 4069] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4068] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4068] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4068] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 4069] <... sendmsg resumed>) = 0 [pid 4068] <... mprotect resumed>) = 0 [pid 4069] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4068] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4068] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4069] <... sendmsg resumed>) = 0 [pid 4069] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4068] <... clone3 resumed> => {parent_tid=[4070]}, 88) = 4070 [pid 4069] <... sendmsg resumed>) = 0 [pid 4068] rt_sigprocmask(SIG_SETMASK, [], [pid 4069] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4068] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4068] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4069] <... sendmsg resumed>) = 0 [pid 4068] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4069] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4069] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0./strace-static-x86_64: Process 4070 attached ) = 0 [pid 4069] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4069] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4069] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4069] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4069] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4069] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4069] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4069] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4069] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4069] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4070] set_robust_list(0x7f857e3e29a0, 24 [pid 4069] <... sendmsg resumed>) = 0 [pid 4069] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4069] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4069] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4070] <... set_robust_list resumed>) = 0 [pid 4070] rt_sigprocmask(SIG_SETMASK, [], [pid 4069] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4070] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4069] <... sendmsg resumed>) = 0 [pid 4069] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4069] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4069] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4070] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 4069] <... sendmsg resumed>) = 0 [pid 4069] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4069] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4069] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4070] <... setsockopt resumed>) = 0 [pid 4069] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4070] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4069] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4069] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4069] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4069] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4070] <... futex resumed>) = 1 [pid 4068] <... futex resumed>) = 0 [pid 4069] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 4069] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4069] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4069] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4069] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4070] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4068] exit_group(0 [pid 4070] <... futex resumed>) = 231 [pid 4068] <... exit_group resumed>) = ? [pid 4069] <... futex resumed>) = ? [pid 4069] +++ exited with 0 +++ [pid 4070] +++ exited with 0 +++ [pid 4068] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4068, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4071 ./strace-static-x86_64: Process 4071 attached [pid 4071] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4071] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4071] setpgid(0, 0) = 0 [pid 4071] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4071] write(3, "1000", 4) = 4 [pid 4071] close(3) = 0 [pid 4071] write(1, "executing program\n", 18executing program ) = 18 [pid 4071] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4071] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4071] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4071] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4071] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4071] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4071] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4072 attached [pid 4072] set_robust_list(0x7f857e4039a0, 24 [pid 4071] <... clone3 resumed> => {parent_tid=[4072]}, 88) = 4072 [pid 4072] <... set_robust_list resumed>) = 0 [pid 4071] rt_sigprocmask(SIG_SETMASK, [], [pid 4072] rt_sigprocmask(SIG_SETMASK, [], [pid 4071] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4072] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4071] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 4072] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 4071] <... futex resumed>) = 0 [pid 4071] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4072] <... socketpair resumed>[3, 4]) = 0 [pid 4072] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4071] <... futex resumed>) = 0 [pid 4071] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4071] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4071] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4071] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4071] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4071] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[4073]}, 88) = 4073 [pid 4071] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4071] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4071] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4073 attached [pid 4073] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4073] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4073] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4073] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4071] <... futex resumed>) = 0 [pid 4073] <... futex resumed>) = 1 [pid 4073] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4072] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4072] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4072] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4072] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4072] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4072] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4072] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4072] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4072] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4072] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4072] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4072] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4072] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4072] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4072] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4072] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4072] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4072] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4072] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4072] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4072] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4072] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4072] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4072] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4072] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4072] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4072] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4072] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4072] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4072] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4072] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4072] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4072] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4072] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4072] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4071] exit_group(0) = ? [pid 4072] <... futex resumed>) = ? [pid 4072] +++ exited with 0 +++ [pid 4073] <... futex resumed>) = ? [pid 4073] +++ exited with 0 +++ [pid 4071] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4071, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4074 attached , child_tidptr=0x55555bbac690) = 4074 [pid 4074] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4074] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4074] setpgid(0, 0) = 0 [pid 4074] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4074] write(3, "1000", 4) = 4 [pid 4074] close(3) = 0 [pid 4074] write(1, "executing program\n", 18executing program ) = 18 [pid 4074] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4074] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4074] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4074] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4074] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4074] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4074] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4075 attached => {parent_tid=[4075]}, 88) = 4075 [pid 4074] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4074] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4074] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4075] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4075] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4075] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4075] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4074] <... futex resumed>) = 0 [pid 4075] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4074] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 4075] <... sendmsg resumed>) = 0 [pid 4074] <... futex resumed>) = 0 [pid 4075] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4074] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4075] <... sendmsg resumed>) = 0 [pid 4074] <... futex resumed>) = 0 [pid 4075] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4074] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4075] <... sendmsg resumed>) = 0 [pid 4074] <... mmap resumed>) = 0x7f857e3c2000 [pid 4075] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4074] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 4075] <... sendmsg resumed>) = 0 [pid 4074] <... mprotect resumed>) = 0 [pid 4075] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4074] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4075] <... sendmsg resumed>) = 0 [pid 4074] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4075] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4074] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4075] <... sendmsg resumed>) = 0 ./strace-static-x86_64: Process 4076 attached [pid 4075] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4074] <... clone3 resumed> => {parent_tid=[4076]}, 88) = 4076 [pid 4075] <... sendmsg resumed>) = 0 [pid 4074] rt_sigprocmask(SIG_SETMASK, [], [pid 4075] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4074] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4075] <... sendmsg resumed>) = 0 [pid 4074] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 4075] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4074] <... futex resumed>) = 0 [pid 4075] <... sendmsg resumed>) = 0 [pid 4074] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4075] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4075] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4075] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4075] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4075] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4075] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4075] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4075] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4075] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4075] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4075] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4075] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4075] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4075] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4075] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4075] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4075] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4076] set_robust_list(0x7f857e3e29a0, 24 [pid 4075] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4075] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4075] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4075] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4075] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4075] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4075] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4075] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4075] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4076] <... set_robust_list resumed>) = 0 [pid 4076] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4076] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4076] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4074] <... futex resumed>) = 0 [pid 4076] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4074] exit_group(0 [pid 4076] <... futex resumed>) = ? [pid 4075] <... futex resumed>) = ? [pid 4074] <... exit_group resumed>) = ? [pid 4076] +++ exited with 0 +++ [pid 4075] +++ exited with 0 +++ [pid 4074] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4074, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4077 attached [pid 4077] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 524] <... clone resumed>, child_tidptr=0x55555bbac690) = 4077 [pid 4077] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4077] setpgid(0, 0) = 0 [pid 4077] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4077] write(3, "1000", 4) = 4 [pid 4077] close(3) = 0 [pid 4077] write(1, "executing program\n", 18executing program ) = 18 [pid 4077] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4077] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4077] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4077] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4077] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4077] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4077] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4078 attached => {parent_tid=[4078]}, 88) = 4078 [pid 4078] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4078] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4078] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4077] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4077] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 4078] <... futex resumed>) = 0 [pid 4077] <... futex resumed>) = 1 [pid 4078] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 4077] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4078] <... socketpair resumed>[3, 4]) = 0 [pid 4078] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4077] <... futex resumed>) = 0 [pid 4077] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4077] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4077] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4077] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4077] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4077] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[4080]}, 88) = 4080 [pid 4077] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4077] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4077] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4078] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0./strace-static-x86_64: Process 4080 attached [pid 4080] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4078] <... sendmsg resumed>) = 0 [pid 4080] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4080] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4080] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4077] <... futex resumed>) = 0 [pid 4080] <... futex resumed>) = 1 [pid 4078] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4080] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4078] <... sendmsg resumed>) = 0 [pid 4078] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4078] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4078] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4078] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4078] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4078] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4078] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4078] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4078] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4078] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4078] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4078] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4078] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4078] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4078] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4078] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4078] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4078] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4078] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4078] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4078] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4078] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4078] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4078] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4078] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4078] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4078] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4078] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4078] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4078] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4078] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4078] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4078] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4077] exit_group(0 [pid 4080] <... futex resumed>) = ? [pid 4078] <... futex resumed>) = ? [pid 4077] <... exit_group resumed>) = ? [pid 4078] +++ exited with 0 +++ [pid 4080] +++ exited with 0 +++ [pid 4077] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4077, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4081 ./strace-static-x86_64: Process 4081 attached [pid 4081] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4081] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4081] setpgid(0, 0) = 0 [pid 4081] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4081] write(3, "1000", 4) = 4 [pid 4081] close(3executing program ) = 0 [pid 4081] write(1, "executing program\n", 18) = 18 [pid 4081] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4081] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4081] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4081] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4081] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4081] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4081] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4082 attached [pid 4082] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4082] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4082] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4081] <... clone3 resumed> => {parent_tid=[4082]}, 88) = 4082 [pid 4081] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4081] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4082] <... futex resumed>) = 0 [pid 4082] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 4081] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4082] <... socketpair resumed>[3, 4]) = 0 [pid 4082] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4081] <... futex resumed>) = 0 [pid 4081] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4081] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4081] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4081] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4082] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4081] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4082] <... sendmsg resumed>) = 0 [pid 4081] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4081] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4082] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4081] <... clone3 resumed> => {parent_tid=[4083]}, 88) = 4083 [pid 4082] <... sendmsg resumed>) = 0 [pid 4081] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4081] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4081] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4083 attached [pid 4083] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4083] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4083] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4083] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4081] <... futex resumed>) = 0 [pid 4083] <... futex resumed>) = 1 [pid 4082] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4083] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4082] <... sendmsg resumed>) = 0 [pid 4082] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4082] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4082] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4082] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4082] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4082] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4082] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4082] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4082] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4082] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4082] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4082] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4082] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4082] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4082] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4082] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4082] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4082] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4082] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4082] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4082] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4082] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4082] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4082] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4082] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4082] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4082] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4082] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4082] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4082] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4082] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4082] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4081] exit_group(0 [pid 4082] <... futex resumed>) = ? [pid 4081] <... exit_group resumed>) = ? [pid 4082] +++ exited with 0 +++ [pid 4083] <... futex resumed>) = ? [pid 4083] +++ exited with 0 +++ [pid 4081] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4081, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4084 ./strace-static-x86_64: Process 4084 attached [pid 4084] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4084] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4084] setpgid(0, 0) = 0 [pid 4084] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4084] write(3, "1000", 4) = 4 [pid 4084] close(3) = 0 [pid 4084] write(1, "executing program\n", 18executing program ) = 18 [pid 4084] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4084] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4084] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4084] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4084] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4084] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4084] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[4085]}, 88) = 4085 [pid 4084] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4084] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4084] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4085 attached [pid 4085] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4085] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4085] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4085] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4084] <... futex resumed>) = 0 [pid 4085] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4084] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4084] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4084] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4084] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4084] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4084] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4085] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4084] <... clone3 resumed> => {parent_tid=[4086]}, 88) = 4086 [pid 4084] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4084] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4084] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4086 attached [pid 4086] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4086] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4086] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4086] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4085] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4084] <... futex resumed>) = 0 [pid 4086] <... futex resumed>) = 1 [pid 4086] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4085] <... sendmsg resumed>) = 0 [pid 4085] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4085] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4085] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4085] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4085] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4085] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4085] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4085] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4085] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4085] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4085] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4085] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4085] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4085] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4085] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4085] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4085] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4085] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4085] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4085] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4085] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4085] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4085] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4085] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4085] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4085] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4085] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4085] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4085] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4085] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4085] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4085] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4085] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4085] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4084] exit_group(0 [pid 4085] <... futex resumed>) = ? [pid 4084] <... exit_group resumed>) = ? [pid 4085] +++ exited with 0 +++ [pid 4086] <... futex resumed>) = ? [pid 4086] +++ exited with 0 +++ [pid 4084] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4084, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4087 attached , child_tidptr=0x55555bbac690) = 4087 [pid 4087] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4087] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4087] setpgid(0, 0) = 0 [pid 4087] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4087] write(3, "1000", 4) = 4 [pid 4087] close(3executing program ) = 0 [pid 4087] write(1, "executing program\n", 18) = 18 [pid 4087] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4087] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4087] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4087] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4087] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4087] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4087] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[4088]}, 88) = 4088 [pid 4087] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4087] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4087] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4088 attached [pid 4088] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4088] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4088] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4088] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4087] <... futex resumed>) = 0 [pid 4087] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4087] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4087] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4087] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4087] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4087] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0}./strace-static-x86_64: Process 4089 attached [pid 4088] <... futex resumed>) = 1 [pid 4087] <... clone3 resumed> => {parent_tid=[4089]}, 88) = 4089 [pid 4089] set_robust_list(0x7f857e3e29a0, 24 [pid 4088] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4087] rt_sigprocmask(SIG_SETMASK, [], [pid 4088] <... sendmsg resumed>) = 0 [pid 4089] <... set_robust_list resumed>) = 0 [pid 4087] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4088] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4089] rt_sigprocmask(SIG_SETMASK, [], [pid 4087] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 4088] <... sendmsg resumed>) = 0 [pid 4087] <... futex resumed>) = 0 [pid 4089] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4088] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4087] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4089] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 4088] <... sendmsg resumed>) = 0 [pid 4089] <... setsockopt resumed>) = 0 [pid 4088] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4089] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4088] <... sendmsg resumed>) = 0 [pid 4088] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4087] <... futex resumed>) = 0 [pid 4089] <... futex resumed>) = 1 [pid 4088] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 4089] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4088] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4088] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4088] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4088] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4088] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4088] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4088] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4088] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4088] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4088] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4088] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4088] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4088] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4088] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4088] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4088] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4088] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4088] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4088] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4088] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4088] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4088] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4088] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4088] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4088] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4088] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4088] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4088] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4088] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4088] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4087] exit_group(0 [pid 4089] <... futex resumed>) = ? [pid 4088] <... futex resumed>) = ? [pid 4087] <... exit_group resumed>) = ? [pid 4089] +++ exited with 0 +++ [pid 4088] +++ exited with 0 +++ [pid 4087] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4087, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4090 ./strace-static-x86_64: Process 4090 attached [pid 4090] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4090] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4090] setpgid(0, 0) = 0 [pid 4090] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4090] write(3, "1000", 4) = 4 [pid 4090] close(3) = 0 executing program [pid 4090] write(1, "executing program\n", 18) = 18 [pid 4090] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4090] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4090] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4090] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4090] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4090] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4090] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4091 attached [pid 4091] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4091] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4091] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4090] <... clone3 resumed> => {parent_tid=[4091]}, 88) = 4091 [pid 4090] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4090] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4091] <... futex resumed>) = 0 [pid 4091] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4091] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4091] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4090] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 4090] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4091] <... futex resumed>) = 0 [pid 4090] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4091] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4090] <... futex resumed>) = 0 [pid 4090] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4091] <... sendmsg resumed>) = 0 [pid 4090] <... mmap resumed>) = 0x7f857e3c2000 [pid 4091] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4090] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 4091] <... sendmsg resumed>) = 0 [pid 4090] <... mprotect resumed>) = 0 [pid 4091] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4091] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4090] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4091] <... sendmsg resumed>) = 0 [pid 4090] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4091] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4090] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4091] <... sendmsg resumed>) = 0 [pid 4091] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4091] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4090] <... clone3 resumed> => {parent_tid=[4092]}, 88) = 4092 [pid 4090] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4091] <... sendmsg resumed>) = 0 [pid 4090] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 4091] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4090] <... futex resumed>) = 0 [pid 4090] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4091] <... sendmsg resumed>) = 0 [pid 4091] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4091] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4091] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4091] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4091] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 ./strace-static-x86_64: Process 4092 attached [pid 4091] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4091] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4091] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4091] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4091] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4091] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4091] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4091] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4091] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4091] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4091] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4091] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4091] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4091] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4091] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4091] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4091] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4091] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4092] set_robust_list(0x7f857e3e29a0, 24 [pid 4091] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4091] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4091] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4091] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4092] <... set_robust_list resumed>) = 0 [pid 4092] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4092] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4092] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4090] <... futex resumed>) = 0 [pid 4090] exit_group(0) = ? [pid 4092] +++ exited with 0 +++ [pid 4091] <... futex resumed>) = ? [pid 4091] +++ exited with 0 +++ [pid 4090] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4090, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4093 attached , child_tidptr=0x55555bbac690) = 4093 [pid 4093] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4093] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4093] setpgid(0, 0) = 0 [pid 4093] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4093] write(3, "1000", 4) = 4 [pid 4093] close(3executing program ) = 0 [pid 4093] write(1, "executing program\n", 18) = 18 [pid 4093] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4093] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4093] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4093] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4093] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4093] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4093] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4094 attached [pid 4094] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4094] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4094] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4093] <... clone3 resumed> => {parent_tid=[4094]}, 88) = 4094 [pid 4093] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4093] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4094] <... futex resumed>) = 0 [pid 4094] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4094] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4093] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4094] <... futex resumed>) = 0 [pid 4094] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4093] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4093] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4094] <... futex resumed>) = 0 [pid 4094] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4094] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4094] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4094] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4094] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4093] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4094] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4093] <... futex resumed>) = 0 [pid 4093] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4094] <... sendmsg resumed>) = 0 [pid 4093] <... mmap resumed>) = 0x7f857e3c2000 [pid 4094] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4093] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 4094] <... sendmsg resumed>) = 0 [pid 4093] <... mprotect resumed>) = 0 [pid 4094] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4093] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4093] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4094] <... sendmsg resumed>) = 0 [pid 4094] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4094] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4093] <... clone3 resumed> => {parent_tid=[4095]}, 88) = 4095 [pid 4093] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4094] <... sendmsg resumed>) = 0 [pid 4094] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4093] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 4094] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4093] <... futex resumed>) = 0 [pid 4094] <... sendmsg resumed>) = 0 [pid 4093] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4094] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4094] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4094] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4094] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4094] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4094] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4094] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4094] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4094] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4094] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4094] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4094] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4094] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4094] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4094] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4094] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4094] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4094] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4094] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0./strace-static-x86_64: Process 4095 attached ) = 0 [pid 4094] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4094] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4094] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4094] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4095] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4095] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4095] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4095] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4093] <... futex resumed>) = 0 [pid 4093] exit_group(0) = ? [pid 4095] +++ exited with 0 +++ [pid 4094] <... futex resumed>) = ? [pid 4094] +++ exited with 0 +++ [pid 4093] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4093, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4096 attached , child_tidptr=0x55555bbac690) = 4096 [pid 4096] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4096] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4096] setpgid(0, 0) = 0 [pid 4096] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4096] write(3, "1000", 4) = 4 [pid 4096] close(3executing program ) = 0 [pid 4096] write(1, "executing program\n", 18) = 18 [pid 4096] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4096] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4096] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4096] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4096] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4096] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4096] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4097 attached [pid 4097] set_robust_list(0x7f857e4039a0, 24 [pid 4096] <... clone3 resumed> => {parent_tid=[4097]}, 88) = 4097 [pid 4097] <... set_robust_list resumed>) = 0 [pid 4097] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4097] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4096] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4096] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4097] <... futex resumed>) = 0 [pid 4097] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 4096] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4097] <... socketpair resumed>[3, 4]) = 0 [pid 4097] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4097] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4096] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4096] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 4097] <... futex resumed>) = 0 [pid 4096] <... futex resumed>) = 1 [pid 4097] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4096] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4096] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4097] <... sendmsg resumed>) = 0 [pid 4096] <... mmap resumed>) = 0x7f857e3c2000 [pid 4097] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4096] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 4097] <... sendmsg resumed>) = 0 [pid 4096] <... mprotect resumed>) = 0 [pid 4097] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4096] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4097] <... sendmsg resumed>) = 0 [pid 4096] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4097] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4096] <... clone3 resumed> => {parent_tid=[4098]}, 88) = 4098 [pid 4096] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4097] <... sendmsg resumed>) = 0 [pid 4096] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 4097] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4096] <... futex resumed>) = 0 [pid 4096] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4097] <... sendmsg resumed>) = 0 [pid 4097] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4097] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 ./strace-static-x86_64: Process 4098 attached [pid 4097] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4097] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4098] set_robust_list(0x7f857e3e29a0, 24 [pid 4097] <... sendmsg resumed>) = 0 [pid 4097] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4097] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4098] <... set_robust_list resumed>) = 0 [pid 4097] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4097] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4097] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4097] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4098] rt_sigprocmask(SIG_SETMASK, [], [pid 4097] <... sendmsg resumed>) = 0 [pid 4097] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4098] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4097] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4097] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4097] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4098] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 4097] <... sendmsg resumed>) = 0 [pid 4097] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4098] <... setsockopt resumed>) = 0 [pid 4097] <... sendmsg resumed>) = 0 [pid 4097] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4097] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4098] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4097] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 4097] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4097] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4097] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4097] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4097] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4098] <... futex resumed>) = 1 [pid 4096] <... futex resumed>) = 0 [pid 4097] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 4097] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4097] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4097] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4097] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4097] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4097] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4098] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4097] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 4097] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4097] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4096] exit_group(0 [pid 4098] <... futex resumed>) = 231 [pid 4096] <... exit_group resumed>) = ? [pid 4097] <... futex resumed>) = ? [pid 4097] +++ exited with 0 +++ [pid 4098] +++ exited with 0 +++ [pid 4096] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4096, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4099 attached , child_tidptr=0x55555bbac690) = 4099 [pid 4099] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4099] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4099] setpgid(0, 0) = 0 [pid 4099] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4099] write(3, "1000", 4) = 4 [pid 4099] close(3) = 0 [pid 4099] write(1, "executing program\n", 18executing program ) = 18 [pid 4099] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4099] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4099] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4099] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4099] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4099] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4099] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4100 attached [pid 4100] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4100] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4100] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4099] <... clone3 resumed> => {parent_tid=[4100]}, 88) = 4100 [pid 4099] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4099] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4100] <... futex resumed>) = 0 [pid 4100] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 4099] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4100] <... socketpair resumed>[3, 4]) = 0 [pid 4100] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4100] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4099] <... futex resumed>) = 0 [pid 4099] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4100] <... futex resumed>) = 0 [pid 4099] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4100] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4099] <... futex resumed>) = 0 [pid 4100] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4099] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4100] <... sendmsg resumed>) = 0 [pid 4099] <... mmap resumed>) = 0x7f857e3c2000 [pid 4100] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4100] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4099] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 4100] <... sendmsg resumed>) = 0 [pid 4099] <... mprotect resumed>) = 0 [pid 4100] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4099] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4099] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4100] <... sendmsg resumed>) = 0 [pid 4100] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4100] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4099] <... clone3 resumed> => {parent_tid=[4101]}, 88) = 4101 [pid 4099] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4100] <... sendmsg resumed>) = 0 [pid 4099] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 4100] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4099] <... futex resumed>) = 0 [pid 4099] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4100] <... sendmsg resumed>) = 0 [pid 4100] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4100] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4100] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4100] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4100] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4100] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0./strace-static-x86_64: Process 4101 attached ) = 0 [pid 4100] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4101] set_robust_list(0x7f857e3e29a0, 24 [pid 4100] <... sendmsg resumed>) = 0 [pid 4101] <... set_robust_list resumed>) = 0 [pid 4100] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4100] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4100] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4100] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4100] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4100] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4100] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4100] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4100] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4100] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4100] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4100] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4100] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4100] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4100] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4100] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4101] rt_sigprocmask(SIG_SETMASK, [], [pid 4100] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4100] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4101] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4100] <... sendmsg resumed>) = 0 [pid 4100] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4100] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4101] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4101] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4099] <... futex resumed>) = 0 [pid 4099] exit_group(0) = ? [pid 4101] +++ exited with 0 +++ [pid 4100] <... futex resumed>) = ? [pid 4100] +++ exited with 0 +++ [pid 4099] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4099, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4102 ./strace-static-x86_64: Process 4102 attached [pid 4102] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4102] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4102] setpgid(0, 0) = 0 [pid 4102] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4102] write(3, "1000", 4) = 4 [pid 4102] close(3) = 0 [pid 4102] write(1, "executing program\n", 18executing program ) = 18 [pid 4102] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4102] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4102] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4102] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4102] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4102] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4102] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4103 attached [pid 4103] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4103] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4103] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4102] <... clone3 resumed> => {parent_tid=[4103]}, 88) = 4103 [pid 4102] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4102] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4102] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4103] <... futex resumed>) = 0 [pid 4103] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4103] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4102] <... futex resumed>) = 0 [pid 4102] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4102] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4102] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4102] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4103] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4102] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4103] <... sendmsg resumed>) = 0 [pid 4102] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4102] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4103] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4102] <... clone3 resumed> => {parent_tid=[4104]}, 88) = 4104 [pid 4103] <... sendmsg resumed>) = 0 [pid 4102] rt_sigprocmask(SIG_SETMASK, [], [pid 4103] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4102] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 4104 attached [pid 4104] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4104] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4104] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4103] <... sendmsg resumed>) = 0 [pid 4102] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 4103] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4102] <... futex resumed>) = 1 [pid 4103] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4102] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4104] <... futex resumed>) = 0 [pid 4103] <... sendmsg resumed>) = 0 [pid 4104] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 4103] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4103] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4104] <... setsockopt resumed>) = 0 [pid 4103] <... sendmsg resumed>) = 0 [pid 4103] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4104] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4103] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 4103] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4102] <... futex resumed>) = 0 [pid 4103] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 4104] <... futex resumed>) = 1 [pid 4103] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4104] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4103] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4103] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4103] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4103] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4103] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4103] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4103] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4103] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4103] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4103] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4103] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4103] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4103] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4103] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4103] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4103] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4103] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4103] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4103] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4103] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4103] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4103] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4103] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4103] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4103] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4102] exit_group(0 [pid 4103] <... futex resumed>) = ? [pid 4102] <... exit_group resumed>) = ? [pid 4103] +++ exited with 0 +++ [pid 4104] <... futex resumed>) = ? [pid 4104] +++ exited with 0 +++ [pid 4102] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4102, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4105 ./strace-static-x86_64: Process 4105 attached [pid 4105] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4105] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4105] setpgid(0, 0) = 0 [pid 4105] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4105] write(3, "1000", 4) = 4 [pid 4105] close(3executing program ) = 0 [pid 4105] write(1, "executing program\n", 18) = 18 [pid 4105] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4105] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4105] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4105] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4105] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4105] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4105] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4106 attached => {parent_tid=[4106]}, 88) = 4106 [pid 4106] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4106] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4106] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4105] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4105] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4106] <... futex resumed>) = 0 [pid 4105] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4106] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4106] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4106] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4105] <... futex resumed>) = 0 [pid 4105] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4105] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4105] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4105] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4105] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4106] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4105] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4105] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[4107]}, 88) = 4107 [pid 4106] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4105] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4106] <... sendmsg resumed>) = 0 [pid 4105] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4105] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4107 attached [pid 4107] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4107] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4107] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4107] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4105] <... futex resumed>) = 0 [pid 4107] <... futex resumed>) = 1 [pid 4106] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4107] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4106] <... sendmsg resumed>) = 0 [pid 4106] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4106] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4106] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4106] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4106] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4106] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4106] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4106] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4106] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4106] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4106] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4106] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4106] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4106] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4106] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4106] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4106] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4106] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4106] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4106] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4106] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4106] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4106] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4106] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4106] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4106] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4106] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4106] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4106] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4106] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4106] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4106] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4106] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4105] exit_group(0 [pid 4106] <... futex resumed>) = ? [pid 4105] <... exit_group resumed>) = ? [pid 4106] +++ exited with 0 +++ [pid 4107] <... futex resumed>) = ? [pid 4107] +++ exited with 0 +++ [pid 4105] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4105, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4108 attached , child_tidptr=0x55555bbac690) = 4108 [pid 4108] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4108] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4108] setpgid(0, 0) = 0 [pid 4108] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4108] write(3, "1000", 4) = 4 [pid 4108] close(3) = 0 [pid 4108] write(1, "executing program\n", 18executing program ) = 18 [pid 4108] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4108] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4108] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4108] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4108] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4108] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4108] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4109 attached [pid 4109] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4109] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4109] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4108] <... clone3 resumed> => {parent_tid=[4109]}, 88) = 4109 [pid 4108] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4108] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4109] <... futex resumed>) = 0 [pid 4109] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 4108] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4109] <... socketpair resumed>[3, 4]) = 0 [pid 4109] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4108] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4109] <... futex resumed>) = 0 [pid 4109] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4108] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4109] <... futex resumed>) = 0 [pid 4108] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4109] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4108] <... futex resumed>) = 0 [pid 4108] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4109] <... sendmsg resumed>) = 0 [pid 4108] <... mmap resumed>) = 0x7f857e3c2000 [pid 4109] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4108] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 4109] <... sendmsg resumed>) = 0 [pid 4108] <... mprotect resumed>) = 0 [pid 4109] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4108] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4109] <... sendmsg resumed>) = 0 [pid 4108] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4109] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4109] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4108] <... clone3 resumed> => {parent_tid=[4110]}, 88) = 4110 [pid 4108] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4108] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4108] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4109] <... sendmsg resumed>) = 0 [pid 4109] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4109] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4109] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0./strace-static-x86_64: Process 4110 attached ) = 0 [pid 4110] set_robust_list(0x7f857e3e29a0, 24 [pid 4109] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4110] <... set_robust_list resumed>) = 0 [pid 4109] <... sendmsg resumed>) = 0 [pid 4110] rt_sigprocmask(SIG_SETMASK, [], [pid 4109] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4110] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4109] <... sendmsg resumed>) = 0 [pid 4110] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 4109] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4110] <... setsockopt resumed>) = 0 [pid 4110] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4109] <... sendmsg resumed>) = 0 [pid 4110] <... futex resumed>) = 1 [pid 4109] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4108] <... futex resumed>) = 0 [pid 4110] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4109] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 4109] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4109] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4109] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4109] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4109] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4109] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4109] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4109] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4109] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4109] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4109] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4109] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4109] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4109] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4109] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4109] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4109] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4109] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4109] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4109] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4109] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4109] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4109] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4108] exit_group(0 [pid 4110] <... futex resumed>) = ? [pid 4108] <... exit_group resumed>) = ? [pid 4110] +++ exited with 0 +++ [pid 4109] <... futex resumed>) = ? [pid 4109] +++ exited with 0 +++ [pid 4108] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4108, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4111 ./strace-static-x86_64: Process 4111 attached [pid 4111] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4111] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4111] setpgid(0, 0) = 0 [pid 4111] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4111] write(3, "1000", 4executing program ) = 4 [pid 4111] close(3) = 0 [pid 4111] write(1, "executing program\n", 18) = 18 [pid 4111] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4111] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4111] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4111] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4111] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4111] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4111] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[4112]}, 88) = 4112 [pid 4111] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4111] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4111] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4112 attached [pid 4112] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4112] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4112] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4112] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4111] <... futex resumed>) = 0 [pid 4112] <... futex resumed>) = 1 [pid 4111] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 4112] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4111] <... futex resumed>) = 0 [pid 4111] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4112] <... sendmsg resumed>) = 0 [pid 4111] <... futex resumed>) = 0 [pid 4112] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4111] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4112] <... sendmsg resumed>) = 0 [pid 4111] <... mmap resumed>) = 0x7f857e3c2000 [pid 4112] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4111] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 4112] <... sendmsg resumed>) = 0 [pid 4111] <... mprotect resumed>) = 0 [pid 4112] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4111] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4112] <... sendmsg resumed>) = 0 [pid 4111] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4112] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4111] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4112] <... sendmsg resumed>) = 0 ./strace-static-x86_64: Process 4113 attached [pid 4111] <... clone3 resumed> => {parent_tid=[4113]}, 88) = 4113 [pid 4113] set_robust_list(0x7f857e3e29a0, 24 [pid 4112] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4113] <... set_robust_list resumed>) = 0 [pid 4111] rt_sigprocmask(SIG_SETMASK, [], [pid 4113] rt_sigprocmask(SIG_SETMASK, [], [pid 4112] <... sendmsg resumed>) = 0 [pid 4113] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4111] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4113] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4112] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4111] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 4113] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4111] <... futex resumed>) = 0 [pid 4113] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 4112] <... sendmsg resumed>) = 0 [pid 4111] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4113] <... setsockopt resumed>) = 0 [pid 4112] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4113] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4112] <... sendmsg resumed>) = 0 [pid 4113] <... futex resumed>) = 1 [pid 4111] <... futex resumed>) = 0 [pid 4113] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4112] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4112] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4112] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4112] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4112] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4112] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4112] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4112] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4112] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4112] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4112] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4112] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4112] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4112] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4112] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4112] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4112] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4112] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4112] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4112] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4112] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4112] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4112] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4112] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4112] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4112] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4112] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4111] exit_group(0 [pid 4112] <... futex resumed>) = ? [pid 4111] <... exit_group resumed>) = ? [pid 4112] +++ exited with 0 +++ [pid 4113] <... futex resumed>) = ? [pid 4113] +++ exited with 0 +++ [pid 4111] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4111, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4114 ./strace-static-x86_64: Process 4114 attached [pid 4114] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4114] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4114] setpgid(0, 0) = 0 [pid 4114] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4114] write(3, "1000", 4executing program ) = 4 [pid 4114] close(3) = 0 [pid 4114] write(1, "executing program\n", 18) = 18 [pid 4114] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4114] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4114] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4114] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4114] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4114] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4114] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4115 attached [pid 4115] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4115] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4115] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4114] <... clone3 resumed> => {parent_tid=[4115]}, 88) = 4115 [pid 4114] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4114] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4115] <... futex resumed>) = 0 [pid 4115] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 4114] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4115] <... socketpair resumed>[3, 4]) = 0 [pid 4115] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4114] <... futex resumed>) = 0 [pid 4114] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4114] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4114] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4114] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4114] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4114] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4115] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4114] <... clone3 resumed> => {parent_tid=[4116]}, 88) = 4116 [pid 4114] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4114] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4114] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4116 attached [pid 4116] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4116] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4116] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4116] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4114] <... futex resumed>) = 0 [pid 4116] <... futex resumed>) = 1 [pid 4115] <... sendmsg resumed>) = 0 [pid 4116] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4115] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4115] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4115] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4115] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4115] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4115] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4115] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4115] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4115] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4115] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4115] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4115] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4115] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4115] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4115] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4115] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4115] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4115] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4115] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4115] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4115] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4115] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4115] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4115] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4115] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4115] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4115] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4115] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4115] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4115] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4115] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4115] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4115] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4115] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4114] exit_group(0 [pid 4115] <... futex resumed>) = ? [pid 4114] <... exit_group resumed>) = ? [pid 4115] +++ exited with 0 +++ [pid 4116] <... futex resumed>) = ? [pid 4116] +++ exited with 0 +++ [pid 4114] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4114, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4117 ./strace-static-x86_64: Process 4117 attached [pid 4117] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4117] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4117] setpgid(0, 0) = 0 [pid 4117] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4117] write(3, "1000", 4) = 4 [pid 4117] close(3) = 0 [pid 4117] write(1, "executing program\n", 18executing program ) = 18 [pid 4117] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4117] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4117] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4117] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4117] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4117] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4117] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4118 attached [pid 4118] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4118] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4118] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4117] <... clone3 resumed> => {parent_tid=[4118]}, 88) = 4118 [pid 4117] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4117] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4118] <... futex resumed>) = 0 [pid 4118] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4118] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4118] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4117] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 4117] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4118] <... futex resumed>) = 0 [pid 4118] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4118] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4118] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4118] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4118] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4118] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4118] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4117] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4118] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4117] <... futex resumed>) = 0 [pid 4118] <... sendmsg resumed>) = 0 [pid 4117] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4118] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4117] <... mmap resumed>) = 0x7f857e3c2000 [pid 4118] <... sendmsg resumed>) = 0 [pid 4118] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4117] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 4118] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4117] <... mprotect resumed>) = 0 [pid 4118] <... sendmsg resumed>) = 0 [pid 4117] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4118] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4117] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4117] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4118] <... sendmsg resumed>) = 0 [pid 4118] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4117] <... clone3 resumed> => {parent_tid=[4119]}, 88) = 4119 [pid 4118] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4117] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4117] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 4118] <... sendmsg resumed>) = 0 [pid 4117] <... futex resumed>) = 0 [pid 4118] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4117] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4118] <... sendmsg resumed>) = 0 [pid 4118] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4118] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4118] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4118] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4118] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4118] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4118] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0./strace-static-x86_64: Process 4119 attached ) = 0 [pid 4118] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4118] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4118] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4118] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4118] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4118] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4118] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4118] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4118] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4119] set_robust_list(0x7f857e3e29a0, 24 [pid 4118] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4118] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4118] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4118] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4119] <... set_robust_list resumed>) = 0 [pid 4119] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4119] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4119] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4117] <... futex resumed>) = 0 [pid 4117] exit_group(0) = ? [pid 4118] <... futex resumed>) = ? [pid 4118] +++ exited with 0 +++ [pid 4119] +++ exited with 0 +++ [pid 4117] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4117, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4120 ./strace-static-x86_64: Process 4120 attached [pid 4120] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4120] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4120] setpgid(0, 0) = 0 [pid 4120] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4120] write(3, "1000", 4) = 4 executing program [pid 4120] close(3) = 0 [pid 4120] write(1, "executing program\n", 18) = 18 [pid 4120] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4120] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4120] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4120] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4120] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4120] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4120] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[4121]}, 88) = 4121 [pid 4120] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4120] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4120] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4121 attached [pid 4121] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4121] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4121] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4121] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4120] <... futex resumed>) = 0 [pid 4120] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4120] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4120] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4120] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4120] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4121] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4120] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4120] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[4122]}, 88) = 4122 [pid 4121] <... sendmsg resumed>) = 0 [pid 4120] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4121] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4120] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4120] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4122 attached [pid 4122] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4122] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4121] <... sendmsg resumed>) = 0 [pid 4122] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4122] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4120] <... futex resumed>) = 0 [pid 4122] <... futex resumed>) = 1 [pid 4121] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4122] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4121] <... sendmsg resumed>) = 0 [pid 4121] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4121] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4121] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4121] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4121] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4121] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4121] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4121] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4121] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4121] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4121] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4121] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4121] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4121] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4121] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4121] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4121] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4121] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4121] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4121] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4121] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4121] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4121] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4121] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4121] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4121] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4121] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4121] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4121] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4121] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4121] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4120] exit_group(0) = ? [pid 4122] <... futex resumed>) = ? [pid 4121] <... futex resumed>) = ? [pid 4121] +++ exited with 0 +++ [pid 4122] +++ exited with 0 +++ [pid 4120] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4120, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4123 ./strace-static-x86_64: Process 4123 attached [pid 4123] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4123] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4123] setpgid(0, 0) = 0 [pid 4123] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4123] write(3, "1000", 4) = 4 [pid 4123] close(3) = 0 executing program [pid 4123] write(1, "executing program\n", 18) = 18 [pid 4123] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4123] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4123] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4123] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4123] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4123] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4123] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4124 attached [pid 4124] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4124] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4124] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4123] <... clone3 resumed> => {parent_tid=[4124]}, 88) = 4124 [pid 4123] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4123] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4124] <... futex resumed>) = 0 [pid 4124] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4123] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4124] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4124] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4123] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4123] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4124] <... futex resumed>) = 0 [pid 4124] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4124] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4124] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4124] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4124] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4124] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4124] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4124] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4124] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4124] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4123] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4124] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4124] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4124] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4124] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4124] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4124] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4124] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4124] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4124] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4124] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4124] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4124] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4124] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4124] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4124] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4124] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4123] <... futex resumed>) = 0 [pid 4124] <... sendmsg resumed>) = 0 [pid 4123] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4124] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4123] <... mmap resumed>) = 0x7f857e3c2000 [pid 4124] <... sendmsg resumed>) = 0 [pid 4123] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 4124] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4123] <... mprotect resumed>) = 0 [pid 4124] <... sendmsg resumed>) = 0 [pid 4123] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4124] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4123] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4124] <... sendmsg resumed>) = 0 [pid 4123] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4124] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0./strace-static-x86_64: Process 4125 attached [pid 4125] set_robust_list(0x7f857e3e29a0, 24 [pid 4124] <... sendmsg resumed>) = 0 [pid 4125] <... set_robust_list resumed>) = 0 [pid 4125] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4125] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4124] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4123] <... clone3 resumed> => {parent_tid=[4125]}, 88) = 4125 [pid 4124] <... sendmsg resumed>) = 0 [pid 4123] rt_sigprocmask(SIG_SETMASK, [], [pid 4124] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4123] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4124] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4123] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 4124] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4123] <... futex resumed>) = 1 [pid 4124] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4125] <... futex resumed>) = 0 [pid 4125] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4125] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4125] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4123] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 4123] exit_group(0) = ? [pid 4124] <... futex resumed>) = ? [pid 4125] <... futex resumed>) = ? [pid 4125] +++ exited with 0 +++ [pid 4124] +++ exited with 0 +++ [pid 4123] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4123, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4126 ./strace-static-x86_64: Process 4126 attached [pid 4126] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4126] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4126] setpgid(0, 0) = 0 [pid 4126] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4126] write(3, "1000", 4) = 4 [pid 4126] close(3) = 0 executing program [pid 4126] write(1, "executing program\n", 18) = 18 [pid 4126] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4126] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4126] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4126] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4126] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4126] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4126] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4127 attached => {parent_tid=[4127]}, 88) = 4127 [pid 4127] set_robust_list(0x7f857e4039a0, 24 [pid 4126] rt_sigprocmask(SIG_SETMASK, [], [pid 4127] <... set_robust_list resumed>) = 0 [pid 4127] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4127] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4126] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4126] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4127] <... futex resumed>) = 0 [pid 4127] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 4126] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4127] <... socketpair resumed>[3, 4]) = 0 [pid 4127] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4126] <... futex resumed>) = 0 [pid 4126] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 4127] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4126] <... futex resumed>) = 0 [pid 4126] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4127] <... sendmsg resumed>) = 0 [pid 4126] <... futex resumed>) = 0 [pid 4127] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4126] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4127] <... sendmsg resumed>) = 0 [pid 4126] <... mmap resumed>) = 0x7f857e3c2000 [pid 4126] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 4127] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4126] <... mprotect resumed>) = 0 [pid 4127] <... sendmsg resumed>) = 0 [pid 4126] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4127] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4126] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4126] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4127] <... sendmsg resumed>) = 0 [pid 4126] <... clone3 resumed> => {parent_tid=[4128]}, 88) = 4128 [pid 4127] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4126] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4126] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4126] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4127] <... sendmsg resumed>) = 0 [pid 4127] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4127] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4127] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0./strace-static-x86_64: Process 4128 attached [pid 4128] set_robust_list(0x7f857e3e29a0, 24 [pid 4127] <... sendmsg resumed>) = 0 [pid 4127] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4128] <... set_robust_list resumed>) = 0 [pid 4127] <... sendmsg resumed>) = 0 [pid 4127] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4127] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4127] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4127] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4127] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4127] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4128] rt_sigprocmask(SIG_SETMASK, [], [pid 4127] <... sendmsg resumed>) = 0 [pid 4127] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4127] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4128] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4127] <... sendmsg resumed>) = 0 [pid 4128] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 4127] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4127] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4127] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4127] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4128] <... setsockopt resumed>) = 0 [pid 4127] <... sendmsg resumed>) = 0 [pid 4127] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4127] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4127] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4127] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4127] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4127] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4127] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4127] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4127] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4127] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4127] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4128] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4127] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4128] <... futex resumed>) = 1 [pid 4126] <... futex resumed>) = 0 [pid 4127] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 4128] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4127] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4127] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4126] exit_group(0) = ? [pid 4128] <... futex resumed>) = ? [pid 4127] <... futex resumed>) = ? [pid 4127] +++ exited with 0 +++ [pid 4128] +++ exited with 0 +++ [pid 4126] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4126, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4129 ./strace-static-x86_64: Process 4129 attached [pid 4129] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4129] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4129] setpgid(0, 0) = 0 [pid 4129] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4129] write(3, "1000", 4) = 4 [pid 4129] close(3) = 0 [pid 4129] write(1, "executing program\n", 18executing program ) = 18 [pid 4129] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4129] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4129] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4129] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4129] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4129] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4129] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4130 attached [pid 4130] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4130] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4130] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4129] <... clone3 resumed> => {parent_tid=[4130]}, 88) = 4130 [pid 4129] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4129] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4130] <... futex resumed>) = 0 [pid 4130] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4129] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4130] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4130] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4129] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4129] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4130] <... futex resumed>) = 0 [pid 4129] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4130] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4129] <... futex resumed>) = 0 [pid 4129] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4130] <... sendmsg resumed>) = 0 [pid 4129] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 4130] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4129] <... mprotect resumed>) = 0 [pid 4130] <... sendmsg resumed>) = 0 [pid 4129] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4130] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4129] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4130] <... sendmsg resumed>) = 0 [pid 4130] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4129] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4130] <... sendmsg resumed>) = 0 [pid 4130] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4129] <... clone3 resumed> => {parent_tid=[4131]}, 88) = 4131 [pid 4130] <... sendmsg resumed>) = 0 [pid 4129] rt_sigprocmask(SIG_SETMASK, [], [pid 4130] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4129] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4129] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4130] <... sendmsg resumed>) = 0 [pid 4129] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4130] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4130] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4130] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4130] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4130] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4130] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4130] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4130] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4130] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4130] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4130] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4130] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4130] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4130] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4130] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0./strace-static-x86_64: Process 4131 attached [pid 4131] set_robust_list(0x7f857e3e29a0, 24 [pid 4130] <... sendmsg resumed>) = 0 [pid 4131] <... set_robust_list resumed>) = 0 [pid 4130] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4131] rt_sigprocmask(SIG_SETMASK, [], [pid 4130] <... sendmsg resumed>) = 0 [pid 4131] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4130] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4131] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 4130] <... sendmsg resumed>) = 0 [pid 4131] <... setsockopt resumed>) = 0 [pid 4130] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4131] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4130] <... sendmsg resumed>) = 0 [pid 4131] <... futex resumed>) = 1 [pid 4130] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4129] <... futex resumed>) = 0 [pid 4131] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4130] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 4130] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4130] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4130] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4130] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4130] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4130] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4130] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4130] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4130] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4130] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4129] exit_group(0) = ? [pid 4131] <... futex resumed>) = 231 [pid 4130] <... futex resumed>) = ? [pid 4130] +++ exited with 0 +++ [pid 4131] +++ exited with 0 +++ [pid 4129] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4129, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4132 ./strace-static-x86_64: Process 4132 attached [pid 4132] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4132] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4132] setpgid(0, 0) = 0 [pid 4132] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4132] write(3, "1000", 4) = 4 [pid 4132] close(3) = 0 [pid 4132] write(1, "executing program\n", 18executing program ) = 18 [pid 4132] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4132] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4132] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4132] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4132] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4132] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4132] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4133 attached => {parent_tid=[4133]}, 88) = 4133 [pid 4133] set_robust_list(0x7f857e4039a0, 24 [pid 4132] rt_sigprocmask(SIG_SETMASK, [], [pid 4133] <... set_robust_list resumed>) = 0 [pid 4132] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4133] rt_sigprocmask(SIG_SETMASK, [], [pid 4132] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4133] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4132] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4133] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4133] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4132] <... futex resumed>) = 0 [pid 4133] <... futex resumed>) = 1 [pid 4132] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 4133] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4132] <... futex resumed>) = 0 [pid 4132] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4133] <... sendmsg resumed>) = 0 [pid 4132] <... futex resumed>) = 0 [pid 4133] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4132] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4133] <... sendmsg resumed>) = 0 [pid 4132] <... mmap resumed>) = 0x7f857e3c2000 [pid 4133] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4132] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4132] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4133] <... sendmsg resumed>) = 0 [pid 4132] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4132] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4133] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4132] <... clone3 resumed> => {parent_tid=[4134]}, 88) = 4134 ./strace-static-x86_64: Process 4134 attached [pid 4133] <... sendmsg resumed>) = 0 [pid 4132] rt_sigprocmask(SIG_SETMASK, [], [pid 4134] set_robust_list(0x7f857e3e29a0, 24 [pid 4133] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4132] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4133] <... sendmsg resumed>) = 0 [pid 4132] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 4134] <... set_robust_list resumed>) = 0 [pid 4133] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4132] <... futex resumed>) = 0 [pid 4133] <... sendmsg resumed>) = 0 [pid 4134] rt_sigprocmask(SIG_SETMASK, [], [pid 4133] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4132] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4134] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4133] <... sendmsg resumed>) = 0 [pid 4133] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4134] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 4133] <... sendmsg resumed>) = 0 [pid 4134] <... setsockopt resumed>) = 0 [pid 4133] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4134] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4133] <... sendmsg resumed>) = 0 [pid 4132] <... futex resumed>) = 0 [pid 4133] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4134] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4133] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4133] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4133] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4133] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4133] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4133] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4133] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4133] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4133] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4133] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4133] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4133] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4133] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4133] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4133] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4133] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4133] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4133] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4133] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4133] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4133] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4133] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4133] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4133] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4133] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4132] exit_group(0 [pid 4133] <... futex resumed>) = ? [pid 4132] <... exit_group resumed>) = ? [pid 4134] <... futex resumed>) = ? [pid 4133] +++ exited with 0 +++ [pid 4134] +++ exited with 0 +++ [pid 4132] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4132, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4135 attached , child_tidptr=0x55555bbac690) = 4135 [pid 4135] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4135] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4135] setpgid(0, 0) = 0 [pid 4135] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4135] write(3, "1000", 4) = 4 [pid 4135] close(3) = 0 executing program [pid 4135] write(1, "executing program\n", 18) = 18 [pid 4135] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4135] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4135] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4135] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4135] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4135] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4135] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4136 attached => {parent_tid=[4136]}, 88) = 4136 [pid 4136] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4136] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4136] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4135] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4135] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4136] <... futex resumed>) = 0 [pid 4135] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4136] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4136] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4135] <... futex resumed>) = 0 [pid 4136] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4135] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4135] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4135] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4135] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4135] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4136] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4135] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4135] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4136] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4135] <... clone3 resumed> => {parent_tid=[4137]}, 88) = 4137 [pid 4135] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4135] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4135] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4137 attached [pid 4137] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4137] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4137] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4137] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4135] <... futex resumed>) = 0 [pid 4137] <... futex resumed>) = 1 [pid 4137] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4136] <... sendmsg resumed>) = 0 [pid 4136] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4136] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4136] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4136] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4136] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4136] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4136] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4136] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4136] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4136] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4136] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4136] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4136] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4136] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4136] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4136] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4136] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4136] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4136] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4136] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4136] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4136] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4136] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4136] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4136] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4136] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4136] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4136] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4136] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4136] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4136] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4136] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4136] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4135] exit_group(0) = ? [pid 4136] +++ exited with 0 +++ [pid 4137] <... futex resumed>) = ? [pid 4137] +++ exited with 0 +++ [pid 4135] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4135, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4138 ./strace-static-x86_64: Process 4138 attached [pid 4138] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4138] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4138] setpgid(0, 0) = 0 [pid 4138] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4138] write(3, "1000", 4) = 4 [pid 4138] close(3executing program ) = 0 [pid 4138] write(1, "executing program\n", 18) = 18 [pid 4138] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4138] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4138] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4138] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4138] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4138] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4138] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4139 attached => {parent_tid=[4139]}, 88) = 4139 [pid 4139] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4139] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4139] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4138] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4138] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4139] <... futex resumed>) = 0 [pid 4138] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4139] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4139] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4138] <... futex resumed>) = 0 [pid 4139] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4138] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4138] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4138] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4138] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4138] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4139] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4138] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4138] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[4140]}, 88) = 4140 [pid 4139] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4138] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4139] <... sendmsg resumed>) = 0 [pid 4138] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4138] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4140 attached [pid 4140] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4140] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4140] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4140] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4138] <... futex resumed>) = 0 [pid 4140] <... futex resumed>) = 1 [pid 4140] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4139] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4139] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4139] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4139] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4139] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4139] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4139] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4139] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4139] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4139] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4139] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4139] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4139] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4139] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4139] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4139] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4139] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4139] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4139] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4139] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4139] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4139] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4139] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4139] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4139] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4139] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4139] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4139] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4139] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4139] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4139] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4139] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4139] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4139] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4138] exit_group(0 [pid 4139] <... futex resumed>) = ? [pid 4138] <... exit_group resumed>) = ? [pid 4139] +++ exited with 0 +++ [pid 4140] <... futex resumed>) = ? [pid 4140] +++ exited with 0 +++ [pid 4138] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4138, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4141 attached , child_tidptr=0x55555bbac690) = 4141 [pid 4141] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4141] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4141] setpgid(0, 0) = 0 [pid 4141] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4141] write(3, "1000", 4) = 4 [pid 4141] close(3) = 0 [pid 4141] write(1, "executing program\n", 18executing program ) = 18 [pid 4141] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4141] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4141] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4141] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4141] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4141] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4141] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4142 attached => {parent_tid=[4142]}, 88) = 4142 [pid 4142] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4142] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4142] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4141] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4141] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4142] <... futex resumed>) = 0 [pid 4142] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 4141] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4142] <... socketpair resumed>[3, 4]) = 0 [pid 4142] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4142] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4141] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4141] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4142] <... futex resumed>) = 0 [pid 4142] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4142] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4142] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4142] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4142] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4141] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4142] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4141] <... futex resumed>) = 0 [pid 4141] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4142] <... sendmsg resumed>) = 0 [pid 4141] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 4142] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4141] <... mprotect resumed>) = 0 [pid 4142] <... sendmsg resumed>) = 0 [pid 4142] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4141] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4142] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4141] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4141] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4142] <... sendmsg resumed>) = 0 [pid 4142] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4141] <... clone3 resumed> => {parent_tid=[4143]}, 88) = 4143 [pid 4141] rt_sigprocmask(SIG_SETMASK, [], [pid 4142] <... sendmsg resumed>) = 0 [pid 4141] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4142] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4141] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 4142] <... sendmsg resumed>) = 0 [pid 4141] <... futex resumed>) = 0 [pid 4142] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4141] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4142] <... sendmsg resumed>) = 0 [pid 4142] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4142] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4142] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4142] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4142] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4142] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0./strace-static-x86_64: Process 4143 attached ) = 0 [pid 4142] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4143] set_robust_list(0x7f857e3e29a0, 24 [pid 4142] <... sendmsg resumed>) = 0 [pid 4142] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4142] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4142] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4142] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4143] <... set_robust_list resumed>) = 0 [pid 4142] <... sendmsg resumed>) = 0 [pid 4142] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4142] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4142] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4142] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4142] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4142] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4142] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4142] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4142] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4142] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4142] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4142] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4143] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4143] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4143] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4141] <... futex resumed>) = 0 [pid 4141] exit_group(0) = ? [pid 4143] +++ exited with 0 +++ [pid 4142] <... futex resumed>) = ? [pid 4142] +++ exited with 0 +++ [pid 4141] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4141, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4144 ./strace-static-x86_64: Process 4144 attached [pid 4144] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4144] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4144] setpgid(0, 0) = 0 [pid 4144] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4144] write(3, "1000", 4) = 4 [pid 4144] close(3) = 0 executing program [pid 4144] write(1, "executing program\n", 18) = 18 [pid 4144] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4144] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4144] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4144] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4144] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4144] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4144] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[4145]}, 88) = 4145 [pid 4144] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4144] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4144] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4145 attached [pid 4145] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4145] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4145] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4145] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4144] <... futex resumed>) = 0 [pid 4144] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4144] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4144] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4144] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4144] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4144] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[4146]}, 88) = 4146 [pid 4145] <... futex resumed>) = 1 [pid 4144] rt_sigprocmask(SIG_SETMASK, [], [pid 4145] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4144] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4145] <... sendmsg resumed>) = 0 [pid 4144] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 4145] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4144] <... futex resumed>) = 0 [pid 4144] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4145] <... sendmsg resumed>) = 0 [pid 4145] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4145] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4145] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4145] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4145] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4145] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4145] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4145] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4145] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4145] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4145] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4145] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4145] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4145] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4145] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4145] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4145] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4145] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4145] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4145] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4145] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4145] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4145] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4145] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4145] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4145] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4145] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4145] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4145] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4145] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4145] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4145] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4145] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 4146 attached [pid 4146] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4146] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4146] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4146] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4144] <... futex resumed>) = 0 [pid 4146] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4144] exit_group(0) = ? [pid 4145] <... futex resumed>) = ? [pid 4145] +++ exited with 0 +++ [pid 4146] <... futex resumed>) = ? [pid 4146] +++ exited with 0 +++ [pid 4144] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4144, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4147 ./strace-static-x86_64: Process 4147 attached [pid 4147] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4147] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4147] setpgid(0, 0) = 0 [pid 4147] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4147] write(3, "1000", 4) = 4 [pid 4147] close(3) = 0 executing program [pid 4147] write(1, "executing program\n", 18) = 18 [pid 4147] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4147] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4147] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4147] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4147] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4147] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4147] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4148 attached => {parent_tid=[4148]}, 88) = 4148 [pid 4148] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4148] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4148] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4147] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4147] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4148] <... futex resumed>) = 0 [pid 4147] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4148] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4148] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4148] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4147] <... futex resumed>) = 0 [pid 4147] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4147] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4147] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4147] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4147] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4147] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[4149]}, 88) = 4149 [pid 4147] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4147] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4147] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4149 attached [pid 4149] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4149] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4149] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4149] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4147] <... futex resumed>) = 0 [pid 4149] <... futex resumed>) = 1 [pid 4149] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4148] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4148] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4148] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4148] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4148] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4148] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4148] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4148] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4148] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4148] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4148] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4148] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4148] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4148] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4148] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4148] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4148] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4148] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4148] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4148] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4148] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4148] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4148] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4148] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4148] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4148] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4148] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4148] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4148] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4148] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4148] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4148] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4148] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4148] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4148] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4148] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4147] exit_group(0) = ? [pid 4149] <... futex resumed>) = ? [pid 4148] <... futex resumed>) = ? [pid 4149] +++ exited with 0 +++ [pid 4148] +++ exited with 0 +++ [pid 4147] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4147, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4150 attached , child_tidptr=0x55555bbac690) = 4150 [pid 4150] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4150] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4150] setpgid(0, 0) = 0 [pid 4150] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program ) = 3 [pid 4150] write(3, "1000", 4) = 4 [pid 4150] close(3) = 0 [pid 4150] write(1, "executing program\n", 18) = 18 [pid 4150] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4150] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4150] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4150] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4150] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4150] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4150] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[4151]}, 88) = 4151 ./strace-static-x86_64: Process 4151 attached [pid 4150] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4150] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4150] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4151] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4151] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4151] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4151] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4150] <... futex resumed>) = 0 [pid 4150] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4150] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4150] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4150] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4150] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4151] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4150] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4150] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[4152]}, 88) = 4152 [pid 4150] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4150] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4150] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4152 attached [pid 4152] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4152] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4152] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4152] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4150] <... futex resumed>) = 0 [pid 4152] <... futex resumed>) = 1 [pid 4152] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4151] <... sendmsg resumed>) = 0 [pid 4151] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4151] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4151] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4151] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4151] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4151] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4151] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4151] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4151] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4151] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4151] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4151] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4151] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4151] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4151] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4151] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4151] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4151] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4151] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4151] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4151] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4151] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4151] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4151] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4151] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4151] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4151] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4151] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4151] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4151] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4151] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4151] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4151] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4151] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4150] exit_group(0 [pid 4152] <... futex resumed>) = 231 [pid 4150] <... exit_group resumed>) = ? [pid 4151] <... futex resumed>) = ? [pid 4151] +++ exited with 0 +++ [pid 4152] +++ exited with 0 +++ [pid 4150] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4150, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4153 ./strace-static-x86_64: Process 4153 attached [pid 4153] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4153] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4153] setpgid(0, 0) = 0 [pid 4153] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4153] write(3, "1000", 4) = 4 [pid 4153] close(3) = 0 [pid 4153] write(1, "executing program\n", 18executing program ) = 18 [pid 4153] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4153] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4153] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4153] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4153] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4153] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4153] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4154 attached => {parent_tid=[4154]}, 88) = 4154 [pid 4154] set_robust_list(0x7f857e4039a0, 24 [pid 4153] rt_sigprocmask(SIG_SETMASK, [], [pid 4154] <... set_robust_list resumed>) = 0 [pid 4153] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4154] rt_sigprocmask(SIG_SETMASK, [], [pid 4153] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4153] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4154] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4154] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4154] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4153] <... futex resumed>) = 0 [pid 4153] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4153] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4153] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4153] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4153] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4153] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4154] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4154] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4153] <... clone3 resumed> => {parent_tid=[4155]}, 88) = 4155 [pid 4153] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4153] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4153] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4155 attached [pid 4155] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4155] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4155] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4155] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4153] <... futex resumed>) = 0 [pid 4154] <... sendmsg resumed>) = 0 [pid 4155] <... futex resumed>) = 1 [pid 4154] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4155] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4154] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 4154] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4154] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4154] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4154] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4154] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4154] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4154] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4154] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4154] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4154] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4154] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4154] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4154] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4154] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4154] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4154] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4154] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4154] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4154] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4154] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4154] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4154] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4154] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4154] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4154] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4154] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4154] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4154] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4154] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4154] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4154] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4153] exit_group(0 [pid 4154] <... futex resumed>) = ? [pid 4153] <... exit_group resumed>) = ? [pid 4154] +++ exited with 0 +++ [pid 4155] <... futex resumed>) = ? [pid 4155] +++ exited with 0 +++ [pid 4153] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4153, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4156 ./strace-static-x86_64: Process 4156 attached [pid 4156] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4156] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4156] setpgid(0, 0) = 0 [pid 4156] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4156] write(3, "1000", 4) = 4 [pid 4156] close(3) = 0 [pid 4156] write(1, "executing program\n", 18executing program ) = 18 [pid 4156] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4156] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4156] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4156] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4156] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4156] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4156] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4157 attached [pid 4157] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4157] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4157] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4156] <... clone3 resumed> => {parent_tid=[4157]}, 88) = 4157 [pid 4156] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4156] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4157] <... futex resumed>) = 0 [pid 4157] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 4156] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4157] <... socketpair resumed>[3, 4]) = 0 [pid 4157] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4156] <... futex resumed>) = 0 [pid 4156] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4156] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4156] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4156] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4156] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4156] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[4158]}, 88) = 4158 [pid 4157] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4156] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4156] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4156] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4158 attached [pid 4158] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4158] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4158] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4158] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4156] <... futex resumed>) = 0 [pid 4158] <... futex resumed>) = 1 [pid 4157] <... sendmsg resumed>) = 0 [pid 4158] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4157] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4157] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4157] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4157] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4157] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4157] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4157] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4157] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4157] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4157] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4157] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4157] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4157] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4157] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4157] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4157] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4157] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4157] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4157] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4157] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4157] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4157] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4157] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4157] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4157] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4157] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4157] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4157] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4157] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4157] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4157] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4157] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4157] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4157] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4156] exit_group(0) = ? [pid 4157] <... futex resumed>) = ? [pid 4158] <... futex resumed>) = ? [pid 4158] +++ exited with 0 +++ [pid 4157] +++ exited with 0 +++ [pid 4156] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4156, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4159 ./strace-static-x86_64: Process 4159 attached [pid 4159] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4159] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4159] setpgid(0, 0) = 0 [pid 4159] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4159] write(3, "1000", 4) = 4 [pid 4159] close(3) = 0 [pid 4159] write(1, "executing program\n", 18executing program ) = 18 [pid 4159] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4159] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4159] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4159] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4159] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4159] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4159] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4160 attached [pid 4160] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4160] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4160] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4159] <... clone3 resumed> => {parent_tid=[4160]}, 88) = 4160 [pid 4159] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4159] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4160] <... futex resumed>) = 0 [pid 4160] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4159] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4160] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4160] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4159] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4159] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4160] <... futex resumed>) = 0 [pid 4160] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4160] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4160] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4160] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4160] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4160] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4160] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4160] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4160] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4160] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4160] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4160] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4160] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4160] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4160] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4160] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4160] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4160] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4160] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4160] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4160] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4160] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4160] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4160] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4160] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4160] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4160] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4160] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4160] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4160] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4159] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4159] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4160] <... sendmsg resumed>) = 0 [pid 4159] <... mmap resumed>) = 0x7f857e3c2000 [pid 4159] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 4160] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4159] <... mprotect resumed>) = 0 [pid 4160] <... sendmsg resumed>) = 0 [pid 4160] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4159] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4160] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4159] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4159] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4160] <... sendmsg resumed>) = 0 [pid 4160] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4160] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4159] <... clone3 resumed> => {parent_tid=[4161]}, 88) = 4161 [pid 4159] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4159] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4159] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4161 attached [pid 4161] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4161] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4161] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4161] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4159] <... futex resumed>) = 0 [pid 4159] exit_group(0) = ? [pid 4160] <... futex resumed>) = ? [pid 4160] +++ exited with 0 +++ [pid 4161] +++ exited with 0 +++ [pid 4159] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4159, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4162 ./strace-static-x86_64: Process 4162 attached [pid 4162] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4162] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4162] setpgid(0, 0) = 0 [pid 4162] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4162] write(3, "1000", 4) = 4 [pid 4162] close(3) = 0 [pid 4162] write(1, "executing program\n", 18executing program ) = 18 [pid 4162] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4162] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4162] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4162] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4162] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4162] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4162] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4163 attached [pid 4163] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4163] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4163] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4162] <... clone3 resumed> => {parent_tid=[4163]}, 88) = 4163 [pid 4162] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4162] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4163] <... futex resumed>) = 0 [pid 4163] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 4162] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4163] <... socketpair resumed>[3, 4]) = 0 [pid 4163] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4163] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4162] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4162] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4163] <... futex resumed>) = 0 [pid 4163] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4162] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4163] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4163] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4163] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4162] <... futex resumed>) = 0 [pid 4163] <... sendmsg resumed>) = 0 [pid 4163] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4162] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4163] <... sendmsg resumed>) = 0 [pid 4163] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4163] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4163] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4163] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4163] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4163] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4163] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4163] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4163] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4163] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4163] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4163] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4163] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4163] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4163] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4163] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4163] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4163] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4162] <... mmap resumed>) = 0x7f857e3c2000 [pid 4162] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 4163] <... sendmsg resumed>) = 0 [pid 4163] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4162] <... mprotect resumed>) = 0 [pid 4163] <... sendmsg resumed>) = 0 [pid 4162] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4163] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4162] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4162] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4163] <... sendmsg resumed>) = 0 [pid 4163] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4163] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4162] <... clone3 resumed> => {parent_tid=[4164]}, 88) = 4164 [pid 4162] rt_sigprocmask(SIG_SETMASK, [], [pid 4163] <... sendmsg resumed>) = 0 [pid 4162] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4163] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4162] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4162] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4163] <... sendmsg resumed>) = 0 [pid 4163] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4163] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4163] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4163] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4163] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4163] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4163] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 4164 attached [pid 4164] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4164] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4164] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4164] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4162] <... futex resumed>) = 0 [pid 4162] exit_group(0) = ? [pid 4163] <... futex resumed>) = ? [pid 4163] +++ exited with 0 +++ [pid 4164] +++ exited with 0 +++ [pid 4162] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4162, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4165 attached , child_tidptr=0x55555bbac690) = 4165 [pid 4165] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4165] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4165] setpgid(0, 0) = 0 [pid 4165] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4165] write(3, "1000", 4) = 4 [pid 4165] close(3) = 0 [pid 4165] write(1, "executing program\n", 18executing program ) = 18 [pid 4165] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4165] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4165] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4165] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4165] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4165] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4165] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4166 attached => {parent_tid=[4166]}, 88) = 4166 [pid 4166] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4165] rt_sigprocmask(SIG_SETMASK, [], [pid 4166] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4166] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4165] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4165] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4166] <... futex resumed>) = 0 [pid 4166] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4165] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4166] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4166] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4165] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4165] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4166] <... futex resumed>) = 0 [pid 4166] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4166] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4166] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4166] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4165] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4166] <... sendmsg resumed>) = 0 [pid 4165] <... futex resumed>) = 0 [pid 4166] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4166] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4166] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4165] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4166] <... sendmsg resumed>) = 0 [pid 4166] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4166] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4166] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4165] <... mmap resumed>) = 0x7f857e3c2000 [pid 4166] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4166] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4166] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4166] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4165] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4166] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4165] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4165] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4166] <... sendmsg resumed>) = 0 ./strace-static-x86_64: Process 4167 attached [pid 4166] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4165] <... clone3 resumed> => {parent_tid=[4167]}, 88) = 4167 [pid 4166] <... sendmsg resumed>) = 0 [pid 4165] rt_sigprocmask(SIG_SETMASK, [], [pid 4166] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4165] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4166] <... sendmsg resumed>) = 0 [pid 4165] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 4166] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4165] <... futex resumed>) = 0 [pid 4166] <... sendmsg resumed>) = 0 [pid 4165] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4166] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4166] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4166] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4166] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4166] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4166] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4166] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4166] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4166] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4166] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4166] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4166] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4166] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4166] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4166] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4166] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4166] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4167] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4167] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4167] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4167] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4165] <... futex resumed>) = 0 [pid 4167] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4165] exit_group(0) = ? [pid 4166] <... futex resumed>) = ? [pid 4166] +++ exited with 0 +++ [pid 4167] <... futex resumed>) = ? [pid 4167] +++ exited with 0 +++ [pid 4165] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4165, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4168 attached [pid 4168] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4168] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 524] <... clone resumed>, child_tidptr=0x55555bbac690) = 4168 [pid 4168] <... prctl resumed>) = 0 [pid 4168] setpgid(0, 0) = 0 [pid 4168] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program ) = 3 [pid 4168] write(3, "1000", 4) = 4 [pid 4168] close(3) = 0 [pid 4168] write(1, "executing program\n", 18) = 18 [pid 4168] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4168] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4168] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4168] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4168] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4168] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4168] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4169 attached => {parent_tid=[4169]}, 88) = 4169 [pid 4169] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4169] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4169] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4168] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4168] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4169] <... futex resumed>) = 0 [pid 4169] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 4168] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4169] <... socketpair resumed>[3, 4]) = 0 [pid 4169] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4169] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4168] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4168] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4169] <... futex resumed>) = 0 [pid 4169] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4169] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4169] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4169] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4169] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4169] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4169] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4168] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4169] <... sendmsg resumed>) = 0 [pid 4169] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4169] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4169] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4168] <... futex resumed>) = 0 [pid 4169] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4169] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4169] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4169] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4168] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4169] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4169] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4169] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4169] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4169] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4169] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4169] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4169] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4169] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4169] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4168] <... mmap resumed>) = 0x7f857e3c2000 [pid 4169] <... sendmsg resumed>) = 0 [pid 4169] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4169] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4168] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 4169] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4169] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4168] <... mprotect resumed>) = 0 [pid 4169] <... sendmsg resumed>) = 0 [pid 4169] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4169] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4168] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4169] <... sendmsg resumed>) = 0 [pid 4169] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4168] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4168] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4169] <... sendmsg resumed>) = 0 [pid 4169] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0./strace-static-x86_64: Process 4170 attached [pid 4168] <... clone3 resumed> => {parent_tid=[4170]}, 88) = 4170 [pid 4170] set_robust_list(0x7f857e3e29a0, 24 [pid 4169] <... sendmsg resumed>) = 0 [pid 4170] <... set_robust_list resumed>) = 0 [pid 4169] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4168] rt_sigprocmask(SIG_SETMASK, [], [pid 4170] rt_sigprocmask(SIG_SETMASK, [], [pid 4169] <... sendmsg resumed>) = 0 [pid 4168] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4170] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4169] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4168] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4169] <... futex resumed>) = 0 [pid 4170] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 4169] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4168] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4170] <... setsockopt resumed>) = 0 [pid 4170] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4168] <... futex resumed>) = 0 [pid 4170] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4168] exit_group(0) = ? [pid 4170] <... futex resumed>) = ? [pid 4169] <... futex resumed>) = ? [pid 4169] +++ exited with 0 +++ [pid 4170] +++ exited with 0 +++ [pid 4168] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4168, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4171 ./strace-static-x86_64: Process 4171 attached [pid 4171] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4171] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4171] setpgid(0, 0) = 0 [pid 4171] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4171] write(3, "1000", 4) = 4 [pid 4171] close(3executing program ) = 0 [pid 4171] write(1, "executing program\n", 18) = 18 [pid 4171] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4171] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4171] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4171] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4171] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4171] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4171] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[4172]}, 88) = 4172 [pid 4171] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4171] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4171] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4172 attached [pid 4172] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4172] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4172] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4172] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4171] <... futex resumed>) = 0 [pid 4171] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4171] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4171] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4171] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4171] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4171] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4172] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4171] <... clone3 resumed> => {parent_tid=[4173]}, 88) = 4173 [pid 4171] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4171] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4171] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4173 attached [pid 4173] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4173] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4173] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4173] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4171] <... futex resumed>) = 0 [pid 4173] <... futex resumed>) = 1 [pid 4172] <... sendmsg resumed>) = 0 [pid 4173] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4172] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4172] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4172] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4172] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4172] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4172] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4172] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4172] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4172] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4172] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4172] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4172] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4172] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4172] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4172] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4172] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4172] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4172] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4172] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4172] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4172] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4172] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4172] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4172] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4172] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4172] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4172] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4172] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4172] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4172] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4172] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4172] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4172] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4172] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4171] exit_group(0 [pid 4172] <... futex resumed>) = ? [pid 4171] <... exit_group resumed>) = ? [pid 4172] +++ exited with 0 +++ [pid 4173] <... futex resumed>) = ? [pid 4173] +++ exited with 0 +++ [pid 4171] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4171, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4174 ./strace-static-x86_64: Process 4174 attached [pid 4174] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4174] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4174] setpgid(0, 0) = 0 [pid 4174] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4174] write(3, "1000", 4) = 4 [pid 4174] close(3) = 0 executing program [pid 4174] write(1, "executing program\n", 18) = 18 [pid 4174] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4174] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4174] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4174] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4174] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4174] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4174] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4175 attached [pid 4175] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4175] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4175] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4174] <... clone3 resumed> => {parent_tid=[4175]}, 88) = 4175 [pid 4174] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4174] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4175] <... futex resumed>) = 0 [pid 4175] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 4174] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4175] <... socketpair resumed>[3, 4]) = 0 [pid 4175] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4175] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4174] <... futex resumed>) = 0 [pid 4174] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4175] <... futex resumed>) = 0 [pid 4174] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4175] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4174] <... futex resumed>) = 0 [pid 4175] <... sendmsg resumed>) = 0 [pid 4174] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4175] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4174] <... mmap resumed>) = 0x7f857e3c2000 [pid 4175] <... sendmsg resumed>) = 0 [pid 4174] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 4175] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4174] <... mprotect resumed>) = 0 [pid 4175] <... sendmsg resumed>) = 0 [pid 4174] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4175] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4174] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4175] <... sendmsg resumed>) = 0 [pid 4174] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4175] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0./strace-static-x86_64: Process 4176 attached ) = 0 [pid 4174] <... clone3 resumed> => {parent_tid=[4176]}, 88) = 4176 [pid 4176] set_robust_list(0x7f857e3e29a0, 24 [pid 4175] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4174] rt_sigprocmask(SIG_SETMASK, [], [pid 4175] <... sendmsg resumed>) = 0 [pid 4176] <... set_robust_list resumed>) = 0 [pid 4174] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4175] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4176] rt_sigprocmask(SIG_SETMASK, [], [pid 4174] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 4175] <... sendmsg resumed>) = 0 [pid 4174] <... futex resumed>) = 0 [pid 4176] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4175] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4174] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4176] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 4175] <... sendmsg resumed>) = 0 [pid 4176] <... setsockopt resumed>) = 0 [pid 4175] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4176] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4175] <... sendmsg resumed>) = 0 [pid 4175] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4176] <... futex resumed>) = 1 [pid 4174] <... futex resumed>) = 0 [pid 4175] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 4175] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4176] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4175] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 4175] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4175] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4175] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4175] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4175] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4175] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4175] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4175] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4175] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4175] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4175] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4175] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4175] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4175] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4175] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4175] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4175] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4175] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4175] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4175] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4175] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4175] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4175] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4174] exit_group(0) = ? [pid 4176] <... futex resumed>) = ? [pid 4175] +++ exited with 0 +++ [pid 4176] +++ exited with 0 +++ [pid 4174] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4174, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4177 attached , child_tidptr=0x55555bbac690) = 4177 [pid 4177] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4177] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4177] setpgid(0, 0) = 0 [pid 4177] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4177] write(3, "1000", 4) = 4 [pid 4177] close(3) = 0 executing program [pid 4177] write(1, "executing program\n", 18) = 18 [pid 4177] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4177] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4177] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4177] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4177] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4177] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4177] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[4178]}, 88) = 4178 ./strace-static-x86_64: Process 4178 attached [pid 4177] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4177] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4177] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4178] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4178] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4178] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4178] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4177] <... futex resumed>) = 0 [pid 4177] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4177] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4177] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4177] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4177] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4178] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4177] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4178] <... sendmsg resumed>) = 0 [pid 4177] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4178] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4177] <... clone3 resumed> => {parent_tid=[4179]}, 88) = 4179 [pid 4178] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4177] rt_sigprocmask(SIG_SETMASK, [], [pid 4178] <... sendmsg resumed>) = 0 [pid 4177] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4178] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4177] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 4178] <... sendmsg resumed>) = 0 [pid 4177] <... futex resumed>) = 0 [pid 4178] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4177] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4178] <... sendmsg resumed>) = 0 [pid 4178] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4178] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4178] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4178] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4178] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4178] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4178] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4178] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4178] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4178] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4178] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4178] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4178] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4178] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4178] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4178] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4178] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4178] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4178] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4178] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4178] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4178] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4178] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4178] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4178] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4178] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4178] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4178] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4178] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4178] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 4179 attached [pid 4179] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4179] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4179] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4179] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4177] <... futex resumed>) = 0 [pid 4177] exit_group(0 [pid 4178] <... futex resumed>) = ? [pid 4177] <... exit_group resumed>) = ? [pid 4178] +++ exited with 0 +++ [pid 4179] <... futex resumed>) = ? [pid 4179] +++ exited with 0 +++ [pid 4177] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4177, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4180 ./strace-static-x86_64: Process 4180 attached [pid 4180] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4180] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4180] setpgid(0, 0) = 0 [pid 4180] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4180] write(3, "1000", 4) = 4 [pid 4180] close(3) = 0 [pid 4180] write(1, "executing program\n", 18executing program ) = 18 [pid 4180] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4180] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4180] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4180] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4180] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4180] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4180] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4181 attached => {parent_tid=[4181]}, 88) = 4181 [pid 4181] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4180] rt_sigprocmask(SIG_SETMASK, [], [pid 4181] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4181] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4180] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4180] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4181] <... futex resumed>) = 0 [pid 4181] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4180] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4181] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4181] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4180] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4180] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4181] <... futex resumed>) = 0 [pid 4181] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4181] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4181] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4180] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4181] <... sendmsg resumed>) = 0 [pid 4180] <... futex resumed>) = 0 [pid 4181] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4181] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4181] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4181] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4181] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4181] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4181] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4181] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4181] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4180] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4181] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4180] <... mmap resumed>) = 0x7f857e3c2000 [pid 4181] <... sendmsg resumed>) = 0 [pid 4181] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4181] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4181] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4181] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4180] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 4181] <... sendmsg resumed>) = 0 [pid 4181] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4180] <... mprotect resumed>) = 0 [pid 4181] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4181] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4181] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4181] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4180] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4181] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4180] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4181] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4181] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4181] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4181] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4180] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4181] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4181] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4181] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4181] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4180] <... clone3 resumed> => {parent_tid=[4182]}, 88) = 4182 [pid 4180] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4180] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 4181] <... sendmsg resumed>) = 0 [pid 4180] <... futex resumed>) = 0 [pid 4181] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4180] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4181] <... sendmsg resumed>) = 0 [pid 4181] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4181] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4181] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 4182 attached [pid 4182] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4182] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4182] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4182] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4180] <... futex resumed>) = 0 [pid 4180] exit_group(0) = ? [pid 4181] <... futex resumed>) = ? [pid 4182] +++ exited with 0 +++ [pid 4181] +++ exited with 0 +++ [pid 4180] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4180, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4183 ./strace-static-x86_64: Process 4183 attached [pid 4183] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4183] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4183] setpgid(0, 0) = 0 [pid 4183] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4183] write(3, "1000", 4) = 4 [pid 4183] close(3) = 0 [pid 4183] write(1, "executing program\n", 18executing program ) = 18 [pid 4183] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4183] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4183] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4183] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4183] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4183] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4183] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4184 attached => {parent_tid=[4184]}, 88) = 4184 [pid 4184] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4184] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4184] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4183] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4183] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4184] <... futex resumed>) = 0 [pid 4183] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4184] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4184] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4184] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4183] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4183] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 4184] <... futex resumed>) = 0 [pid 4183] <... futex resumed>) = 1 [pid 4184] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4184] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4184] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4184] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4184] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4184] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4184] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4184] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4184] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4184] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4184] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4184] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4184] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4184] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4184] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4184] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4184] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4184] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4184] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4184] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4184] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4184] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4184] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4184] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4184] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4184] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4183] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4183] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4183] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 4184] <... sendmsg resumed>) = 0 [pid 4183] <... mprotect resumed>) = 0 [pid 4184] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4183] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4184] <... sendmsg resumed>) = 0 [pid 4184] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4183] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4184] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4184] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4183] <... clone3 resumed> => {parent_tid=[4185]}, 88) = 4185 [pid 4183] rt_sigprocmask(SIG_SETMASK, [], [pid 4184] <... sendmsg resumed>) = 0 [pid 4183] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4184] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4183] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 4184] <... sendmsg resumed>) = 0 [pid 4183] <... futex resumed>) = 0 [pid 4184] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4183] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4184] <... sendmsg resumed>) = 0 [pid 4184] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4184] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4184] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 4185 attached [pid 4185] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4185] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4185] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4185] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4183] <... futex resumed>) = 0 [pid 4185] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4183] exit_group(0) = ? [pid 4184] <... futex resumed>) = ? [pid 4184] +++ exited with 0 +++ [pid 4185] <... futex resumed>) = ? [pid 4185] +++ exited with 0 +++ [pid 4183] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4183, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4186 attached , child_tidptr=0x55555bbac690) = 4186 [pid 4186] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4186] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4186] setpgid(0, 0) = 0 [pid 4186] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4186] write(3, "1000", 4) = 4 [pid 4186] close(3) = 0 [pid 4186] write(1, "executing program\n", 18executing program ) = 18 [pid 4186] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4186] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4186] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4186] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4186] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4186] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4186] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[4187]}, 88) = 4187 [pid 4186] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4186] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4186] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4187 attached [pid 4187] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4187] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4187] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4187] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4186] <... futex resumed>) = 0 [pid 4186] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4186] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4186] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4186] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4186] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4186] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[4188]}, 88) = 4188 ./strace-static-x86_64: Process 4188 attached [pid 4187] <... futex resumed>) = 1 [pid 4186] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4186] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4186] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4188] set_robust_list(0x7f857e3e29a0, 24 [pid 4187] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4188] <... set_robust_list resumed>) = 0 [pid 4187] <... sendmsg resumed>) = 0 [pid 4188] rt_sigprocmask(SIG_SETMASK, [], [pid 4187] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4188] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4187] <... sendmsg resumed>) = 0 [pid 4188] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 4187] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4188] <... setsockopt resumed>) = 0 [pid 4187] <... sendmsg resumed>) = 0 [pid 4188] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4187] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4188] <... futex resumed>) = 1 [pid 4187] <... sendmsg resumed>) = 0 [pid 4186] <... futex resumed>) = 0 [pid 4188] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4187] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4187] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4187] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4187] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4187] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4187] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4187] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4187] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4187] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4187] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4187] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4187] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4187] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4187] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4187] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4187] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4187] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4187] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4187] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4187] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4187] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4187] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4187] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4187] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4187] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4187] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4187] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4187] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4187] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4187] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4187] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4186] exit_group(0 [pid 4187] <... futex resumed>) = ? [pid 4186] <... exit_group resumed>) = ? [pid 4187] +++ exited with 0 +++ [pid 4188] <... futex resumed>) = ? [pid 4188] +++ exited with 0 +++ [pid 4186] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4186, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4189 ./strace-static-x86_64: Process 4189 attached [pid 4189] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4189] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4189] setpgid(0, 0) = 0 [pid 4189] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4189] write(3, "1000", 4) = 4 executing program [pid 4189] close(3) = 0 [pid 4189] write(1, "executing program\n", 18) = 18 [pid 4189] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4189] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4189] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4189] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4189] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4189] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4189] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4190 attached => {parent_tid=[4190]}, 88) = 4190 [pid 4189] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4189] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4189] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4190] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4190] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4190] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4190] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4189] <... futex resumed>) = 0 [pid 4189] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4189] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4189] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4189] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4189] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4189] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[4191]}, 88) = 4191 [pid 4189] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4189] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4189] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4191 attached [pid 4191] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4191] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4191] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4191] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4189] <... futex resumed>) = 0 [pid 4191] <... futex resumed>) = 1 [pid 4190] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4191] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4190] <... sendmsg resumed>) = 0 [pid 4190] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4190] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4190] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4190] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4190] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4190] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4190] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4190] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4190] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4190] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4190] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4190] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4190] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4190] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4190] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4190] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4190] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4190] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4190] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4190] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4190] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4190] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4190] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4190] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4190] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4190] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4190] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4190] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4190] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4190] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4190] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4190] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4190] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4190] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4189] exit_group(0 [pid 4190] <... futex resumed>) = ? [pid 4189] <... exit_group resumed>) = ? [pid 4191] <... futex resumed>) = ? [pid 4190] +++ exited with 0 +++ [pid 4191] +++ exited with 0 +++ [pid 4189] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4189, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4192 attached , child_tidptr=0x55555bbac690) = 4192 [pid 4192] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4192] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4192] setpgid(0, 0) = 0 [pid 4192] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4192] write(3, "1000", 4) = 4 [pid 4192] close(3) = 0 executing program [pid 4192] write(1, "executing program\n", 18) = 18 [pid 4192] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4192] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4192] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4192] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4192] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4192] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4192] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4193 attached => {parent_tid=[4193]}, 88) = 4193 [pid 4193] set_robust_list(0x7f857e4039a0, 24 [pid 4192] rt_sigprocmask(SIG_SETMASK, [], [pid 4193] <... set_robust_list resumed>) = 0 [pid 4192] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4193] rt_sigprocmask(SIG_SETMASK, [], [pid 4192] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 4193] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4192] <... futex resumed>) = 0 [pid 4193] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 4192] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4193] <... socketpair resumed>[3, 4]) = 0 [pid 4193] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4192] <... futex resumed>) = 0 [pid 4192] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4192] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4192] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4192] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4192] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4192] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0}./strace-static-x86_64: Process 4194 attached => {parent_tid=[4194]}, 88) = 4194 [pid 4192] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4192] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4192] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4193] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4193] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4193] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4193] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4193] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4193] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4193] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4193] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4193] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4193] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4193] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4194] set_robust_list(0x7f857e3e29a0, 24 [pid 4193] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4193] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4193] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4193] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4193] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4193] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4193] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4193] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4194] <... set_robust_list resumed>) = 0 [pid 4194] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4193] <... sendmsg resumed>) = 0 [pid 4194] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4194] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4192] <... futex resumed>) = 0 [pid 4194] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4193] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4193] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4193] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4193] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4193] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4193] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4193] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4193] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4193] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4193] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4193] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4193] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4193] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4193] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4193] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4193] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4192] exit_group(0 [pid 4194] <... futex resumed>) = ? [pid 4192] <... exit_group resumed>) = ? [pid 4194] +++ exited with 0 +++ [pid 4193] <... futex resumed>) = ? [pid 4193] +++ exited with 0 +++ [pid 4192] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4192, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4195 ./strace-static-x86_64: Process 4195 attached [pid 4195] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4195] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4195] setpgid(0, 0) = 0 [pid 4195] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4195] write(3, "1000", 4) = 4 [pid 4195] close(3) = 0 [pid 4195] write(1, "executing program\n", 18executing program ) = 18 [pid 4195] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4195] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4195] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4195] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4195] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4195] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4195] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4196 attached => {parent_tid=[4196]}, 88) = 4196 [pid 4196] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4196] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4196] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4195] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4195] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4196] <... futex resumed>) = 0 [pid 4196] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 4195] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4196] <... socketpair resumed>[3, 4]) = 0 [pid 4196] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4196] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4195] <... futex resumed>) = 0 [pid 4195] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4196] <... futex resumed>) = 0 [pid 4196] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4196] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4196] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4195] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4196] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4196] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4196] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4196] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4196] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4196] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4196] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4196] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4196] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4196] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4196] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4196] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4196] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4195] <... futex resumed>) = 0 [pid 4196] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4196] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4196] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4196] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4196] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4196] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4196] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4196] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4195] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4196] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4195] <... mmap resumed>) = 0x7f857e3c2000 [pid 4196] <... sendmsg resumed>) = 0 [pid 4196] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4196] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4196] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4196] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4195] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 4196] <... sendmsg resumed>) = 0 [pid 4196] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4196] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4196] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4196] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4196] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4196] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4195] <... mprotect resumed>) = 0 [pid 4195] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4195] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0}./strace-static-x86_64: Process 4197 attached => {parent_tid=[4197]}, 88) = 4197 [pid 4197] set_robust_list(0x7f857e3e29a0, 24 [pid 4195] rt_sigprocmask(SIG_SETMASK, [], [pid 4197] <... set_robust_list resumed>) = 0 [pid 4195] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4197] rt_sigprocmask(SIG_SETMASK, [], [pid 4195] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 4197] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4195] <... futex resumed>) = 0 [pid 4197] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 4195] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4197] <... setsockopt resumed>) = 0 [pid 4197] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4195] <... futex resumed>) = 0 [pid 4197] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4195] exit_group(0 [pid 4196] <... futex resumed>) = ? [pid 4195] <... exit_group resumed>) = ? [pid 4196] +++ exited with 0 +++ [pid 4197] <... futex resumed>) = ? [pid 4197] +++ exited with 0 +++ [pid 4195] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4195, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4198 ./strace-static-x86_64: Process 4198 attached [pid 4198] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4198] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4198] setpgid(0, 0) = 0 [pid 4198] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4198] write(3, "1000", 4) = 4 [pid 4198] close(3) = 0 [pid 4198] write(1, "executing program\n", 18executing program ) = 18 [pid 4198] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4198] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4198] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4198] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4198] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4198] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4198] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4199 attached => {parent_tid=[4199]}, 88) = 4199 [pid 4199] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4199] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4199] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4198] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4198] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4199] <... futex resumed>) = 0 [pid 4199] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 4198] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4199] <... socketpair resumed>[3, 4]) = 0 [pid 4199] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4199] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4198] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4198] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4199] <... futex resumed>) = 0 [pid 4199] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4199] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4199] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4199] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4199] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4199] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4199] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4199] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4199] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4199] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4199] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4199] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4199] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4199] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4199] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4198] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4199] <... sendmsg resumed>) = 0 [pid 4199] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4199] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4199] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4199] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4199] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4199] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4199] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4199] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4199] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4199] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4199] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4199] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4199] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4199] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4199] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4199] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4198] <... futex resumed>) = 0 [pid 4199] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4199] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4199] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4199] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4198] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4198] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4198] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4198] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0}./strace-static-x86_64: Process 4200 attached [pid 4200] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4200] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4200] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4198] <... clone3 resumed> => {parent_tid=[4200]}, 88) = 4200 [pid 4198] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4198] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4200] <... futex resumed>) = 0 [pid 4200] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4200] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4200] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4198] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 4198] exit_group(0 [pid 4199] <... futex resumed>) = ? [pid 4198] <... exit_group resumed>) = ? [pid 4199] +++ exited with 0 +++ [pid 4200] <... futex resumed>) = ? [pid 4200] +++ exited with 0 +++ [pid 4198] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4198, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4201 ./strace-static-x86_64: Process 4201 attached [pid 4201] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4201] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4201] setpgid(0, 0) = 0 [pid 4201] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4201] write(3, "1000", 4) = 4 [pid 4201] close(3) = 0 executing program [pid 4201] write(1, "executing program\n", 18) = 18 [pid 4201] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4201] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4201] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4201] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4201] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4201] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4201] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[4202]}, 88) = 4202 [pid 4201] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4201] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4201] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4202 attached [pid 4202] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4202] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4202] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4202] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4201] <... futex resumed>) = 0 [pid 4202] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4201] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4202] <... sendmsg resumed>) = 0 [pid 4201] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4202] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4201] <... futex resumed>) = 0 [pid 4202] <... sendmsg resumed>) = 0 [pid 4202] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4201] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4202] <... sendmsg resumed>) = 0 [pid 4201] <... mmap resumed>) = 0x7f857e3c2000 [pid 4202] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4201] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 4202] <... sendmsg resumed>) = 0 [pid 4201] <... mprotect resumed>) = 0 [pid 4202] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4201] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4202] <... sendmsg resumed>) = 0 [pid 4201] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4202] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4201] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4202] <... sendmsg resumed>) = 0 ./strace-static-x86_64: Process 4203 attached [pid 4202] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4201] <... clone3 resumed> => {parent_tid=[4203]}, 88) = 4203 [pid 4202] <... sendmsg resumed>) = 0 [pid 4202] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4201] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4201] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 4202] <... sendmsg resumed>) = 0 [pid 4202] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4201] <... futex resumed>) = 0 [pid 4202] <... sendmsg resumed>) = 0 [pid 4202] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4201] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4202] <... sendmsg resumed>) = 0 [pid 4203] set_robust_list(0x7f857e3e29a0, 24 [pid 4202] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4203] <... set_robust_list resumed>) = 0 [pid 4202] <... sendmsg resumed>) = 0 [pid 4203] rt_sigprocmask(SIG_SETMASK, [], [pid 4202] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4203] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4202] <... sendmsg resumed>) = 0 [pid 4203] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 4202] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4203] <... setsockopt resumed>) = 0 [pid 4202] <... sendmsg resumed>) = 0 [pid 4203] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4202] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4201] <... futex resumed>) = 0 [pid 4203] <... futex resumed>) = 1 [pid 4202] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4203] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4202] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 4202] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4202] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4202] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4202] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4202] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4202] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4202] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4202] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4202] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4202] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4202] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4202] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4202] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4202] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4202] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4202] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4202] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4202] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4202] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4202] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4201] exit_group(0 [pid 4202] <... futex resumed>) = ? [pid 4201] <... exit_group resumed>) = ? [pid 4202] +++ exited with 0 +++ [pid 4203] <... futex resumed>) = ? [pid 4203] +++ exited with 0 +++ [pid 4201] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4201, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4204 ./strace-static-x86_64: Process 4204 attached [pid 4204] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4204] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4204] setpgid(0, 0) = 0 [pid 4204] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4204] write(3, "1000", 4) = 4 [pid 4204] close(3) = 0 [pid 4204] write(1, "executing program\n", 18executing program ) = 18 [pid 4204] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4204] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4204] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4204] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4204] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4204] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4204] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4205 attached => {parent_tid=[4205]}, 88) = 4205 [pid 4205] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4205] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4205] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4204] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4204] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4205] <... futex resumed>) = 0 [pid 4205] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 4204] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4205] <... socketpair resumed>[3, 4]) = 0 [pid 4205] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4205] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4204] <... futex resumed>) = 0 [pid 4204] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4205] <... futex resumed>) = 0 [pid 4205] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4205] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4204] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4205] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4205] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4205] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4205] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4205] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4205] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4205] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4205] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4204] <... futex resumed>) = 0 [pid 4205] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4205] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4205] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4204] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4205] <... sendmsg resumed>) = 0 [pid 4205] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4205] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4205] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4204] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 4205] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4205] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4204] <... mprotect resumed>) = 0 [pid 4205] <... sendmsg resumed>) = 0 [pid 4204] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4205] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4204] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4205] <... sendmsg resumed>) = 0 [pid 4205] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4204] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4205] <... sendmsg resumed>) = 0 [pid 4205] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0./strace-static-x86_64: Process 4206 attached ) = 0 [pid 4204] <... clone3 resumed> => {parent_tid=[4206]}, 88) = 4206 [pid 4206] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4206] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4206] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4205] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4204] rt_sigprocmask(SIG_SETMASK, [], [pid 4205] <... sendmsg resumed>) = 0 [pid 4204] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4205] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4204] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 4205] <... sendmsg resumed>) = 0 [pid 4204] <... futex resumed>) = 1 [pid 4206] <... futex resumed>) = 0 [pid 4206] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4206] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4206] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4205] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4204] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 4205] <... sendmsg resumed>) = 0 [pid 4205] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4205] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4205] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4205] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4205] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4205] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4205] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4205] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4205] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4205] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4205] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4204] exit_group(0) = ? [pid 4205] <... futex resumed>) = ? [pid 4205] +++ exited with 0 +++ [pid 4206] <... futex resumed>) = ? [pid 4206] +++ exited with 0 +++ [pid 4204] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4204, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4207 attached , child_tidptr=0x55555bbac690) = 4207 [pid 4207] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4207] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4207] setpgid(0, 0) = 0 [pid 4207] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4207] write(3, "1000", 4) = 4 [pid 4207] close(3) = 0 [pid 4207] write(1, "executing program\n", 18executing program ) = 18 [pid 4207] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4207] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4207] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4207] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4207] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4207] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4207] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4208 attached => {parent_tid=[4208]}, 88) = 4208 [pid 4208] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4208] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4208] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4207] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4207] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4208] <... futex resumed>) = 0 [pid 4208] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 4207] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4208] <... socketpair resumed>[3, 4]) = 0 [pid 4208] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4208] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4207] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4207] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4208] <... futex resumed>) = 0 [pid 4208] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4207] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4208] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4207] <... futex resumed>) = 0 [pid 4208] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4208] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4208] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4207] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4208] <... sendmsg resumed>) = 0 [pid 4207] <... mmap resumed>) = 0x7f857e3c2000 [pid 4208] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4208] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4208] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4207] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 4208] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4208] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4207] <... mprotect resumed>) = 0 [pid 4208] <... sendmsg resumed>) = 0 [pid 4208] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4207] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4208] <... sendmsg resumed>) = 0 [pid 4208] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4208] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4207] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4208] <... sendmsg resumed>) = 0 [pid 4208] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4208] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4208] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4208] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4208] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4208] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4208] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4208] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4208] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4208] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4207] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4208] <... sendmsg resumed>) = 0 [pid 4208] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4207] <... clone3 resumed> => {parent_tid=[4209]}, 88) = 4209 [pid 4208] <... sendmsg resumed>) = 0 [pid 4207] rt_sigprocmask(SIG_SETMASK, [], [pid 4208] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4207] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4207] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 4209 attached [pid 4208] <... sendmsg resumed>) = 0 [pid 4207] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4208] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4208] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4208] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4208] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4208] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4209] set_robust_list(0x7f857e3e29a0, 24 [pid 4208] <... sendmsg resumed>) = 0 [pid 4208] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4208] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4208] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4208] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4208] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4209] <... set_robust_list resumed>) = 0 [pid 4209] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4209] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4209] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4207] <... futex resumed>) = 0 [pid 4209] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4207] exit_group(0) = ? [pid 4208] <... futex resumed>) = ? [pid 4208] +++ exited with 0 +++ [pid 4209] <... futex resumed>) = ? [pid 4209] +++ exited with 0 +++ [pid 4207] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4207, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4210 ./strace-static-x86_64: Process 4210 attached [pid 4210] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4210] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4210] setpgid(0, 0) = 0 [pid 4210] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4210] write(3, "1000", 4) = 4 [pid 4210] close(3executing program ) = 0 [pid 4210] write(1, "executing program\n", 18) = 18 [pid 4210] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4210] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4210] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4210] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4210] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4210] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4210] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4211 attached => {parent_tid=[4211]}, 88) = 4211 [pid 4211] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4211] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4211] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4210] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4210] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4211] <... futex resumed>) = 0 [pid 4211] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4210] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4211] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4211] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4210] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4210] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4211] <... futex resumed>) = 0 [pid 4211] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4210] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4211] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4210] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4211] <... sendmsg resumed>) = 0 [pid 4210] <... mmap resumed>) = 0x7f857e3c2000 [pid 4211] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4210] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 4211] <... sendmsg resumed>) = 0 [pid 4210] <... mprotect resumed>) = 0 [pid 4211] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4211] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4210] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4211] <... sendmsg resumed>) = 0 [pid 4210] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4211] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4211] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4211] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4211] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4211] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4211] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4211] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4211] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4211] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4211] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4211] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4211] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4210] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4211] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4211] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4211] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4211] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4211] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4211] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4211] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4211] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4211] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4211] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4211] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4211] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4211] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4211] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4211] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4211] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4211] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4211] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 4212 attached [pid 4210] <... clone3 resumed> => {parent_tid=[4212]}, 88) = 4212 [pid 4212] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4212] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4212] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4210] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4210] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4212] <... futex resumed>) = 0 [pid 4210] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4212] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4212] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4212] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4210] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4210] exit_group(0 [pid 4211] <... futex resumed>) = ? [pid 4210] <... exit_group resumed>) = ? [pid 4211] +++ exited with 0 +++ [pid 4212] <... futex resumed>) = ? [pid 4212] +++ exited with 0 +++ [pid 4210] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4210, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4213 ./strace-static-x86_64: Process 4213 attached [pid 4213] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4213] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4213] setpgid(0, 0) = 0 [pid 4213] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4213] write(3, "1000", 4) = 4 [pid 4213] close(3) = 0 [pid 4213] write(1, "executing program\n", 18executing program ) = 18 [pid 4213] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4213] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4213] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4213] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4213] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4213] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4213] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4214 attached => {parent_tid=[4214]}, 88) = 4214 [pid 4214] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4214] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4214] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4213] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4213] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4214] <... futex resumed>) = 0 [pid 4214] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 4213] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4214] <... socketpair resumed>[3, 4]) = 0 [pid 4214] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4214] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4213] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4213] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4214] <... futex resumed>) = 0 [pid 4214] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4214] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4214] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4214] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4214] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4214] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4214] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4214] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4214] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4214] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4214] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4214] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4214] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4214] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4214] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4214] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4213] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4214] <... sendmsg resumed>) = 0 [pid 4214] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4214] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4214] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4214] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4214] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4214] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4214] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4214] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4214] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4214] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4214] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4214] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4214] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4214] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4214] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4213] <... futex resumed>) = 0 [pid 4214] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4214] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4214] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4214] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4213] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4213] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4213] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4213] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0}./strace-static-x86_64: Process 4215 attached => {parent_tid=[4215]}, 88) = 4215 [pid 4215] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4215] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4215] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4213] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4213] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4215] <... futex resumed>) = 0 [pid 4213] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4215] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4215] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4215] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4213] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4213] exit_group(0 [pid 4214] <... futex resumed>) = ? [pid 4213] <... exit_group resumed>) = ? [pid 4214] +++ exited with 0 +++ [pid 4215] <... futex resumed>) = ? [pid 4215] +++ exited with 0 +++ [pid 4213] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4213, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4216 ./strace-static-x86_64: Process 4216 attached [pid 4216] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4216] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4216] setpgid(0, 0) = 0 [pid 4216] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4216] write(3, "1000", 4) = 4 [pid 4216] close(3) = 0 [pid 4216] write(1, "executing program\n", 18executing program ) = 18 [pid 4216] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4216] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4216] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4216] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4216] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4216] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4216] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4217 attached => {parent_tid=[4217]}, 88) = 4217 [pid 4217] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4217] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4217] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4216] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4216] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4217] <... futex resumed>) = 0 [pid 4217] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 4216] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4217] <... socketpair resumed>[3, 4]) = 0 [pid 4217] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4216] <... futex resumed>) = 0 [pid 4216] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4216] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4216] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4216] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4216] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4216] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[4218]}, 88) = 4218 [pid 4216] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4216] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4216] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4218 attached [pid 4218] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4218] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4218] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4218] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4216] <... futex resumed>) = 0 [pid 4218] <... futex resumed>) = 1 [pid 4218] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4217] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4217] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4217] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4217] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4217] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4217] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4217] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4217] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4217] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4217] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4217] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4217] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4217] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4217] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4217] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4217] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4217] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4217] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4217] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4217] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4217] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4217] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4217] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4217] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4217] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4217] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4217] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4217] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4217] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4217] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4217] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4217] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4217] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4217] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4217] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4216] exit_group(0) = ? [pid 4217] <... futex resumed>) = ? [pid 4217] +++ exited with 0 +++ [pid 4218] <... futex resumed>) = ? [pid 4218] +++ exited with 0 +++ [pid 4216] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4216, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4219 ./strace-static-x86_64: Process 4219 attached [pid 4219] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4219] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4219] setpgid(0, 0) = 0 [pid 4219] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4219] write(3, "1000", 4executing program ) = 4 [pid 4219] close(3) = 0 [pid 4219] write(1, "executing program\n", 18) = 18 [pid 4219] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4219] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4219] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4219] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4219] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4219] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4219] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4220 attached [pid 4220] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4220] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4220] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4219] <... clone3 resumed> => {parent_tid=[4220]}, 88) = 4220 [pid 4219] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4219] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4220] <... futex resumed>) = 0 [pid 4220] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 4219] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4220] <... socketpair resumed>[3, 4]) = 0 [pid 4220] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4220] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4219] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4219] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4220] <... futex resumed>) = 0 [pid 4219] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4220] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4219] <... futex resumed>) = 0 [pid 4219] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4220] <... sendmsg resumed>) = 0 [pid 4219] <... mmap resumed>) = 0x7f857e3c2000 [pid 4220] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4219] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 4220] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4219] <... mprotect resumed>) = 0 [pid 4220] <... sendmsg resumed>) = 0 [pid 4219] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4220] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4219] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4219] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4220] <... sendmsg resumed>) = 0 [pid 4220] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4220] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4220] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4219] <... clone3 resumed> => {parent_tid=[4221]}, 88) = 4221 [pid 4219] rt_sigprocmask(SIG_SETMASK, [], [pid 4220] <... sendmsg resumed>) = 0 [pid 4219] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4220] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4219] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4220] <... sendmsg resumed>) = 0 [pid 4219] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4220] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4220] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4220] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4220] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4220] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4220] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 ./strace-static-x86_64: Process 4221 attached [pid 4221] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4221] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4221] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4221] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4219] <... futex resumed>) = 0 [pid 4220] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4221] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4220] <... sendmsg resumed>) = 0 [pid 4220] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4220] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4220] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4220] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4220] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4220] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4220] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4220] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4220] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4220] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4220] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4220] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4220] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4220] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4220] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4220] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4220] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4220] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4220] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4220] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4219] exit_group(0) = ? [pid 4220] <... futex resumed>) = ? [pid 4221] <... futex resumed>) = ? [pid 4220] +++ exited with 0 +++ [pid 4221] +++ exited with 0 +++ [pid 4219] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4219, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4222 ./strace-static-x86_64: Process 4222 attached [pid 4222] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4222] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4222] setpgid(0, 0) = 0 [pid 4222] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4222] write(3, "1000", 4) = 4 [pid 4222] close(3) = 0 [pid 4222] write(1, "executing program\n", 18executing program ) = 18 [pid 4222] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4222] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4222] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4222] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4222] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4222] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4222] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4223 attached => {parent_tid=[4223]}, 88) = 4223 [pid 4223] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4223] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4223] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4222] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4222] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4223] <... futex resumed>) = 0 [pid 4223] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4222] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4223] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4222] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4223] <... futex resumed>) = 0 [pid 4222] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 4223] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4222] <... futex resumed>) = 0 [pid 4223] <... sendmsg resumed>) = 0 [pid 4222] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4223] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4222] <... futex resumed>) = 0 [pid 4223] <... sendmsg resumed>) = 0 [pid 4222] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4223] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4222] <... mmap resumed>) = 0x7f857e3c2000 [pid 4223] <... sendmsg resumed>) = 0 [pid 4222] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 4223] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4222] <... mprotect resumed>) = 0 [pid 4223] <... sendmsg resumed>) = 0 [pid 4222] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4223] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4222] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4223] <... sendmsg resumed>) = 0 [pid 4222] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4223] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0./strace-static-x86_64: Process 4225 attached [pid 4225] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4225] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4225] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4223] <... sendmsg resumed>) = 0 [pid 4222] <... clone3 resumed> => {parent_tid=[4225]}, 88) = 4225 [pid 4223] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4222] rt_sigprocmask(SIG_SETMASK, [], [pid 4223] <... sendmsg resumed>) = 0 [pid 4222] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4223] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4222] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 4223] <... sendmsg resumed>) = 0 [pid 4222] <... futex resumed>) = 1 [pid 4225] <... futex resumed>) = 0 [pid 4225] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4225] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4225] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4223] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4222] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4223] <... sendmsg resumed>) = 0 [pid 4222] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4223] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4223] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4223] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4223] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4223] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4223] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4223] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4223] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4223] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4223] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4223] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4223] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4223] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4223] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4223] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4223] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4223] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4223] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4223] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4223] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4223] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4223] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4223] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4223] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4223] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4222] exit_group(0 [pid 4223] ????( [pid 4222] <... exit_group resumed>) = ? [pid 4223] <... ???? resumed>) = 0xe7 [pid 4225] <... futex resumed>) = ? [pid 4225] +++ exited with 0 +++ [pid 4223] +++ exited with 0 +++ [pid 4222] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4222, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4226 ./strace-static-x86_64: Process 4226 attached [pid 4226] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4226] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4226] setpgid(0, 0) = 0 [pid 4226] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4226] write(3, "1000", 4) = 4 [pid 4226] close(3executing program ) = 0 [pid 4226] write(1, "executing program\n", 18) = 18 [pid 4226] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4226] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4226] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4226] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4226] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4226] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4226] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4227 attached => {parent_tid=[4227]}, 88) = 4227 [pid 4227] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4227] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4227] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4226] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4226] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 4227] <... futex resumed>) = 0 [pid 4227] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4226] <... futex resumed>) = 1 [pid 4227] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4227] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4226] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 4226] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4227] <... futex resumed>) = 0 [pid 4227] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4227] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4227] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4227] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4227] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4227] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4227] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4227] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4227] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4227] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4226] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4227] <... sendmsg resumed>) = 0 [pid 4227] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4227] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4227] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4227] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4227] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4227] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4227] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4227] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4227] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4227] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4227] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4227] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4227] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4227] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4227] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4227] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4227] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4227] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4226] <... futex resumed>) = 0 [pid 4227] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4226] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4227] <... sendmsg resumed>) = 0 [pid 4227] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4227] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4227] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4227] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4227] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4227] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4226] <... mmap resumed>) = 0x7f857e3c2000 [pid 4226] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4226] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4226] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0}./strace-static-x86_64: Process 4228 attached => {parent_tid=[4228]}, 88) = 4228 [pid 4228] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4228] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4228] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4226] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4226] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4228] <... futex resumed>) = 0 [pid 4226] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4228] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4228] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4226] <... futex resumed>) = 0 [pid 4228] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4226] exit_group(0 [pid 4227] <... futex resumed>) = ? [pid 4226] <... exit_group resumed>) = ? [pid 4227] +++ exited with 0 +++ [pid 4228] <... futex resumed>) = ? [pid 4228] +++ exited with 0 +++ [pid 4226] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4226, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4229 attached , child_tidptr=0x55555bbac690) = 4229 [pid 4229] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4229] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4229] setpgid(0, 0) = 0 [pid 4229] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4229] write(3, "1000", 4) = 4 [pid 4229] close(3) = 0 [pid 4229] write(1, "executing program\n", 18executing program ) = 18 [pid 4229] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4229] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4229] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4229] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4229] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4229] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4229] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4230 attached => {parent_tid=[4230]}, 88) = 4230 [pid 4230] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4230] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4230] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4229] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4229] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4230] <... futex resumed>) = 0 [pid 4230] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 4229] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4230] <... socketpair resumed>[3, 4]) = 0 [pid 4230] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4230] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4229] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4229] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4230] <... futex resumed>) = 0 [pid 4230] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4230] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4230] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4230] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4230] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4229] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4230] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4230] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4230] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4229] <... futex resumed>) = 0 [pid 4230] <... sendmsg resumed>) = 0 [pid 4230] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4230] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4230] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4229] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4230] <... sendmsg resumed>) = 0 [pid 4230] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4230] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4229] <... mmap resumed>) = 0x7f857e3c2000 [pid 4229] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 4230] <... sendmsg resumed>) = 0 [pid 4230] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4230] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4230] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4230] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4230] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4229] <... mprotect resumed>) = 0 [pid 4230] <... sendmsg resumed>) = 0 [pid 4230] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4230] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4229] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4230] <... sendmsg resumed>) = 0 [pid 4230] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4229] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4230] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4230] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4230] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4230] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4230] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4230] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4230] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4230] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4229] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4230] <... sendmsg resumed>) = 0 [pid 4230] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4230] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0./strace-static-x86_64: Process 4231 attached ) = 0 [pid 4229] <... clone3 resumed> => {parent_tid=[4231]}, 88) = 4231 [pid 4230] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4230] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4229] rt_sigprocmask(SIG_SETMASK, [], [pid 4230] <... sendmsg resumed>) = 0 [pid 4230] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4230] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4231] set_robust_list(0x7f857e3e29a0, 24 [pid 4229] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4231] <... set_robust_list resumed>) = 0 [pid 4229] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 4231] rt_sigprocmask(SIG_SETMASK, [], [pid 4229] <... futex resumed>) = 0 [pid 4231] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4229] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4231] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4231] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4229] <... futex resumed>) = 0 [pid 4229] exit_group(0) = ? [pid 4231] +++ exited with 0 +++ [pid 4230] <... futex resumed>) = ? [pid 4230] +++ exited with 0 +++ [pid 4229] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4229, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4232 attached , child_tidptr=0x55555bbac690) = 4232 [pid 4232] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4232] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4232] setpgid(0, 0) = 0 [pid 4232] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4232] write(3, "1000", 4) = 4 [pid 4232] close(3) = 0 [pid 4232] write(1, "executing program\n", 18executing program ) = 18 [pid 4232] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4232] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4232] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4232] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4232] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4232] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4232] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4233 attached => {parent_tid=[4233]}, 88) = 4233 [pid 4233] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4233] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4233] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4232] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4232] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4233] <... futex resumed>) = 0 [pid 4233] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 4232] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4233] <... socketpair resumed>[3, 4]) = 0 [pid 4233] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4233] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4232] <... futex resumed>) = 0 [pid 4232] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4233] <... futex resumed>) = 0 [pid 4233] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4233] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4233] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4233] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4233] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4232] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4233] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4233] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4233] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4232] <... futex resumed>) = 0 [pid 4233] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4233] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4233] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4233] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4233] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4233] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4233] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4233] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4232] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4233] <... sendmsg resumed>) = 0 [pid 4233] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4232] <... mmap resumed>) = 0x7f857e3c2000 [pid 4233] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4233] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4233] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4233] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4233] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4232] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 4233] <... sendmsg resumed>) = 0 [pid 4232] <... mprotect resumed>) = 0 [pid 4233] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4232] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4233] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4233] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4233] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4233] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4233] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4233] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4233] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4233] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4233] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4232] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4233] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4232] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4233] <... sendmsg resumed>) = 0 [pid 4233] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4233] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 4234 attached [pid 4232] <... clone3 resumed> => {parent_tid=[4234]}, 88) = 4234 [pid 4232] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4232] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4232] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4234] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4234] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4234] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4234] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4232] <... futex resumed>) = 0 [pid 4232] exit_group(0) = ? [pid 4234] +++ exited with 0 +++ [pid 4233] <... futex resumed>) = ? [pid 4233] +++ exited with 0 +++ [pid 4232] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4232, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4235 attached , child_tidptr=0x55555bbac690) = 4235 [pid 4235] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4235] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4235] setpgid(0, 0) = 0 [pid 4235] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4235] write(3, "1000", 4) = 4 [pid 4235] close(3executing program ) = 0 [pid 4235] write(1, "executing program\n", 18) = 18 [pid 4235] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4235] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4235] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4235] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4235] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4235] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4235] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4236 attached => {parent_tid=[4236]}, 88) = 4236 [pid 4235] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4235] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4235] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4236] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4236] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4236] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4236] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4235] <... futex resumed>) = 0 [pid 4235] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4235] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4235] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4235] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4235] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4235] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[4237]}, 88) = 4237 [pid 4235] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4235] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4235] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4236] <... futex resumed>) = 1 [pid 4236] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4236] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4236] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4236] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4236] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4236] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4236] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4236] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4236] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4236] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4236] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4236] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4236] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4236] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4236] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4236] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4236] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4236] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4236] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4236] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4236] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4236] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4236] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4236] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4236] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4236] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4236] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4236] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4236] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4236] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4236] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4236] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4236] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4236] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4236] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 4237 attached [pid 4237] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4237] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4237] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4237] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4235] <... futex resumed>) = 0 [pid 4235] exit_group(0 [pid 4236] <... futex resumed>) = ? [pid 4235] <... exit_group resumed>) = ? [pid 4236] +++ exited with 0 +++ [pid 4237] <... futex resumed>) = ? [pid 4237] +++ exited with 0 +++ [pid 4235] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4235, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4238 ./strace-static-x86_64: Process 4238 attached [pid 4238] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4238] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4238] setpgid(0, 0) = 0 [pid 4238] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4238] write(3, "1000", 4) = 4 [pid 4238] close(3) = 0 executing program [pid 4238] write(1, "executing program\n", 18) = 18 [pid 4238] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4238] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4238] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4238] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4238] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4238] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4238] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4239 attached => {parent_tid=[4239]}, 88) = 4239 [pid 4239] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4238] rt_sigprocmask(SIG_SETMASK, [], [pid 4239] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4238] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4239] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4238] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 4239] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4239] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 4238] <... futex resumed>) = 0 [pid 4238] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4239] <... socketpair resumed>[3, 4]) = 0 [pid 4239] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4238] <... futex resumed>) = 0 [pid 4239] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4238] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 4239] <... sendmsg resumed>) = 0 [pid 4238] <... futex resumed>) = 0 [pid 4239] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4238] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4239] <... sendmsg resumed>) = 0 [pid 4238] <... futex resumed>) = 0 [pid 4239] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4238] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4239] <... sendmsg resumed>) = 0 [pid 4238] <... mmap resumed>) = 0x7f857e3c2000 [pid 4239] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4238] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 4239] <... sendmsg resumed>) = 0 [pid 4238] <... mprotect resumed>) = 0 [pid 4239] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4238] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4238] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4239] <... sendmsg resumed>) = 0 [pid 4238] <... clone3 resumed> => {parent_tid=[4240]}, 88) = 4240 [pid 4238] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4238] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4238] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4240 attached [pid 4239] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4240] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4240] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4240] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4239] <... sendmsg resumed>) = 0 [pid 4240] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4238] <... futex resumed>) = 0 [pid 4240] <... futex resumed>) = 1 [pid 4240] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4239] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4239] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4239] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4239] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4239] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4239] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4239] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4239] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4239] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4239] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4239] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4239] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4239] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4239] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4239] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4239] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4239] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4239] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4239] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4239] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4239] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4239] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4239] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4239] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4239] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4239] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4239] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4239] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4239] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4238] exit_group(0 [pid 4239] <... futex resumed>) = ? [pid 4238] <... exit_group resumed>) = ? [pid 4240] <... futex resumed>) = ? [pid 4239] +++ exited with 0 +++ [pid 4240] +++ exited with 0 +++ [pid 4238] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4238, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4241 ./strace-static-x86_64: Process 4241 attached [pid 4241] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4241] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4241] setpgid(0, 0) = 0 [pid 4241] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4241] write(3, "1000", 4) = 4 [pid 4241] close(3) = 0 [pid 4241] write(1, "executing program\n", 18executing program ) = 18 [pid 4241] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4241] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4241] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4241] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4241] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4241] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4241] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4242 attached => {parent_tid=[4242]}, 88) = 4242 [pid 4242] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4242] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4242] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4241] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4241] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4242] <... futex resumed>) = 0 [pid 4242] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 4241] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4242] <... socketpair resumed>[3, 4]) = 0 [pid 4242] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4242] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4241] <... futex resumed>) = 0 [pid 4241] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4242] <... futex resumed>) = 0 [pid 4242] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4242] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4242] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4242] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4242] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4242] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4242] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4242] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4242] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4242] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4242] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4242] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4242] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4241] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4242] <... sendmsg resumed>) = 0 [pid 4242] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4242] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4241] <... futex resumed>) = 0 [pid 4242] <... sendmsg resumed>) = 0 [pid 4241] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4242] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4242] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4242] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4241] <... mmap resumed>) = 0x7f857e3c2000 [pid 4242] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4242] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4242] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4242] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4242] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4241] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 4242] <... sendmsg resumed>) = 0 [pid 4242] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4241] <... mprotect resumed>) = 0 [pid 4242] <... sendmsg resumed>) = 0 [pid 4242] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4241] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4242] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4242] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4242] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4242] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4242] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4242] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4242] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4241] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4241] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4242] <... sendmsg resumed>) = 0 [pid 4242] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4241] <... clone3 resumed> => {parent_tid=[4243]}, 88) = 4243 [pid 4241] rt_sigprocmask(SIG_SETMASK, [], [pid 4242] <... sendmsg resumed>) = 0 [pid 4241] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4242] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4241] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 4242] <... futex resumed>) = 0 [pid 4241] <... futex resumed>) = 0 [pid 4242] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4241] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4243 attached [pid 4243] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4243] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4243] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4243] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4241] <... futex resumed>) = 0 [pid 4241] exit_group(0) = ? [pid 4242] <... futex resumed>) = ? [pid 4242] +++ exited with 0 +++ [pid 4243] +++ exited with 0 +++ [pid 4241] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4241, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4244 attached , child_tidptr=0x55555bbac690) = 4244 [pid 4244] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4244] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4244] setpgid(0, 0) = 0 [pid 4244] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4244] write(3, "1000", 4) = 4 [pid 4244] close(3executing program ) = 0 [pid 4244] write(1, "executing program\n", 18) = 18 [pid 4244] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4244] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4244] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4244] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4244] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4244] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4244] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[4245]}, 88) = 4245 [pid 4244] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4244] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4244] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4245 attached [pid 4245] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4245] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4245] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4245] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4244] <... futex resumed>) = 0 [pid 4244] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4244] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4244] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4244] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4244] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4245] <... futex resumed>) = 1 [pid 4244] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4244] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[4246]}, 88) = 4246 [pid 4244] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4244] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4244] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4245] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4245] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4245] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4245] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4245] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4245] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4245] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4245] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4245] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4245] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4245] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4245] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4245] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4245] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4245] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4245] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4245] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0./strace-static-x86_64: Process 4246 attached [pid 4246] set_robust_list(0x7f857e3e29a0, 24 [pid 4245] <... sendmsg resumed>) = 0 [pid 4246] <... set_robust_list resumed>) = 0 [pid 4246] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4246] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4246] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4244] <... futex resumed>) = 0 [pid 4246] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4245] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4245] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4245] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4245] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4245] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4245] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4245] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4245] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4245] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4245] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4245] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4245] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4245] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4245] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4245] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4245] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4245] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4245] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4244] exit_group(0) = ? [pid 4245] <... futex resumed>) = ? [pid 4245] +++ exited with 0 +++ [pid 4246] <... futex resumed>) = ? [pid 4246] +++ exited with 0 +++ [pid 4244] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4244, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4247 ./strace-static-x86_64: Process 4247 attached [pid 4247] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4247] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4247] setpgid(0, 0) = 0 [pid 4247] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4247] write(3, "1000", 4) = 4 [pid 4247] close(3) = 0 executing program [pid 4247] write(1, "executing program\n", 18) = 18 [pid 4247] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4247] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4247] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4247] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4247] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4247] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4247] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[4248]}, 88) = 4248 ./strace-static-x86_64: Process 4248 attached [pid 4247] rt_sigprocmask(SIG_SETMASK, [], [pid 4248] set_robust_list(0x7f857e4039a0, 24 [pid 4247] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4248] <... set_robust_list resumed>) = 0 [pid 4247] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 4248] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4248] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 4247] <... futex resumed>) = 0 [pid 4247] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4248] <... socketpair resumed>[3, 4]) = 0 [pid 4248] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4248] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4247] <... futex resumed>) = 0 [pid 4247] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4247] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4247] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4247] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4247] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4247] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4248] <... futex resumed>) = 0 [pid 4247] <... clone3 resumed> => {parent_tid=[4249]}, 88) = 4249 [pid 4247] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4247] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4247] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4249 attached [pid 4248] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4249] set_robust_list(0x7f857e3e29a0, 24 [pid 4248] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4249] <... set_robust_list resumed>) = 0 [pid 4248] <... sendmsg resumed>) = 0 [pid 4249] rt_sigprocmask(SIG_SETMASK, [], [pid 4248] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4249] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4248] <... sendmsg resumed>) = 0 [pid 4249] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 4248] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4249] <... setsockopt resumed>) = 0 [pid 4248] <... sendmsg resumed>) = 0 [pid 4249] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4248] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4249] <... futex resumed>) = 1 [pid 4248] <... sendmsg resumed>) = 0 [pid 4247] <... futex resumed>) = 0 [pid 4249] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4248] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4248] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4248] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4248] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4248] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4248] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4248] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4248] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4248] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4248] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4248] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4248] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4248] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4248] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4248] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4248] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4248] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4248] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4248] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4248] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4248] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4248] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4248] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4248] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4248] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4248] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4248] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4248] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4248] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4248] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4247] exit_group(0 [pid 4249] <... futex resumed>) = ? [pid 4248] <... futex resumed>) = ? [pid 4247] <... exit_group resumed>) = ? [pid 4249] +++ exited with 0 +++ [pid 4248] +++ exited with 0 +++ [pid 4247] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4247, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4250 ./strace-static-x86_64: Process 4250 attached [pid 4250] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4250] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4250] setpgid(0, 0) = 0 [pid 4250] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4250] write(3, "1000", 4) = 4 [pid 4250] close(3) = 0 executing program [pid 4250] write(1, "executing program\n", 18) = 18 [pid 4250] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4250] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4250] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4250] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4250] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4250] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4250] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4251 attached [pid 4251] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4251] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4251] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4250] <... clone3 resumed> => {parent_tid=[4251]}, 88) = 4251 [pid 4250] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4250] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4251] <... futex resumed>) = 0 [pid 4251] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4251] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4251] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4250] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 4250] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4251] <... futex resumed>) = 0 [pid 4250] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4251] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4251] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4251] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4251] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4251] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4250] <... futex resumed>) = 0 [pid 4251] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4250] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4251] <... sendmsg resumed>) = 0 [pid 4250] <... mmap resumed>) = 0x7f857e3c2000 [pid 4251] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4250] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 4251] <... sendmsg resumed>) = 0 [pid 4251] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4250] <... mprotect resumed>) = 0 [pid 4251] <... sendmsg resumed>) = 0 [pid 4251] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4250] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4250] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4251] <... sendmsg resumed>) = 0 [pid 4251] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4251] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4250] <... clone3 resumed> => {parent_tid=[4252]}, 88) = 4252 [pid 4251] <... sendmsg resumed>) = 0 [pid 4250] rt_sigprocmask(SIG_SETMASK, [], [pid 4251] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4250] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4251] <... sendmsg resumed>) = 0 [pid 4251] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4250] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4250] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4251] <... sendmsg resumed>) = 0 [pid 4251] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4251] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0./strace-static-x86_64: Process 4252 attached [pid 4252] set_robust_list(0x7f857e3e29a0, 24 [pid 4251] <... sendmsg resumed>) = 0 [pid 4252] <... set_robust_list resumed>) = 0 [pid 4251] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4252] rt_sigprocmask(SIG_SETMASK, [], [pid 4251] <... sendmsg resumed>) = 0 [pid 4252] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4252] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 4251] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4252] <... setsockopt resumed>) = 0 [pid 4251] <... sendmsg resumed>) = 0 [pid 4252] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4250] <... futex resumed>) = 0 [pid 4252] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4251] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4251] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4251] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4251] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4251] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4251] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4251] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4251] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4251] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4251] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4251] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4251] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4251] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4251] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4251] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4251] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4251] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4251] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4250] exit_group(0) = ? [pid 4252] <... futex resumed>) = ? [pid 4252] +++ exited with 0 +++ [pid 4251] <... futex resumed>) = ? [pid 4251] +++ exited with 0 +++ [pid 4250] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4250, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4253 ./strace-static-x86_64: Process 4253 attached [pid 4253] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4253] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4253] setpgid(0, 0) = 0 [pid 4253] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4253] write(3, "1000", 4) = 4 [pid 4253] close(3executing program ) = 0 [pid 4253] write(1, "executing program\n", 18) = 18 [pid 4253] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4253] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4253] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4253] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4253] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4253] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4253] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4254 attached => {parent_tid=[4254]}, 88) = 4254 [pid 4254] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4254] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4254] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4253] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4253] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4254] <... futex resumed>) = 0 [pid 4253] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4254] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4254] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4253] <... futex resumed>) = 0 [pid 4254] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4253] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4253] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4253] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4253] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4253] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4253] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[4255]}, 88) = 4255 [pid 4254] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4253] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4253] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4253] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4255 attached [pid 4255] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4255] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4255] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4255] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4253] <... futex resumed>) = 0 [pid 4255] <... futex resumed>) = 1 [pid 4255] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4254] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4254] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4254] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4254] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4254] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4254] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4254] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4254] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4254] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4254] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4254] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4254] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4254] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4254] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4254] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4254] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4254] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4254] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4254] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4254] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4254] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4254] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4254] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4254] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4254] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4254] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4254] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4254] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4254] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4254] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4254] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4254] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4254] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4254] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4254] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4253] exit_group(0 [pid 4254] <... futex resumed>) = ? [pid 4253] <... exit_group resumed>) = ? [pid 4254] +++ exited with 0 +++ [pid 4255] <... futex resumed>) = ? [pid 4255] +++ exited with 0 +++ [pid 4253] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4253, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4256 ./strace-static-x86_64: Process 4256 attached [pid 4256] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4256] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4256] setpgid(0, 0) = 0 [pid 4256] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4256] write(3, "1000", 4) = 4 executing program [pid 4256] close(3) = 0 [pid 4256] write(1, "executing program\n", 18) = 18 [pid 4256] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4256] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4256] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4256] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4256] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4256] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4256] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[4257]}, 88) = 4257 ./strace-static-x86_64: Process 4257 attached [pid 4256] rt_sigprocmask(SIG_SETMASK, [], [pid 4257] set_robust_list(0x7f857e4039a0, 24 [pid 4256] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4257] <... set_robust_list resumed>) = 0 [pid 4256] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 4257] rt_sigprocmask(SIG_SETMASK, [], [pid 4256] <... futex resumed>) = 0 [pid 4257] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4256] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4257] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4257] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4257] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4256] <... futex resumed>) = 0 [pid 4256] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4257] <... futex resumed>) = 0 [pid 4257] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4257] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4257] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4257] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4257] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4257] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4257] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4257] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4257] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4257] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4257] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4257] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4257] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4257] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4257] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4257] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4257] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4257] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4257] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4257] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4257] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4257] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4257] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4257] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4257] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4257] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4256] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4257] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4256] <... futex resumed>) = 0 [pid 4256] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4257] <... sendmsg resumed>) = 0 [pid 4256] <... mmap resumed>) = 0x7f857e3c2000 [pid 4257] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4256] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 4257] <... sendmsg resumed>) = 0 [pid 4257] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4256] <... mprotect resumed>) = 0 [pid 4257] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4256] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4256] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4257] <... sendmsg resumed>) = 0 [pid 4257] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4256] <... clone3 resumed> => {parent_tid=[4258]}, 88) = 4258 [pid 4256] rt_sigprocmask(SIG_SETMASK, [], [pid 4257] <... sendmsg resumed>) = 0 [pid 4256] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4257] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4256] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 4257] <... sendmsg resumed>) = 0 [pid 4256] <... futex resumed>) = 0 [pid 4257] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4256] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4257] <... sendmsg resumed>) = 0 [pid 4257] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4257] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 4258 attached [pid 4258] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4258] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4258] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4258] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4256] <... futex resumed>) = 0 [pid 4258] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4256] exit_group(0) = ? [pid 4257] <... futex resumed>) = ? [pid 4257] +++ exited with 0 +++ [pid 4258] <... futex resumed>) = ? [pid 4258] +++ exited with 0 +++ [pid 4256] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4256, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4259 ./strace-static-x86_64: Process 4259 attached [pid 4259] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4259] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4259] setpgid(0, 0) = 0 [pid 4259] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4259] write(3, "1000", 4) = 4 [pid 4259] close(3) = 0 executing program [pid 4259] write(1, "executing program\n", 18) = 18 [pid 4259] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4259] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4259] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4259] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4259] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4259] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4259] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4260 attached => {parent_tid=[4260]}, 88) = 4260 [pid 4259] rt_sigprocmask(SIG_SETMASK, [], [pid 4260] set_robust_list(0x7f857e4039a0, 24 [pid 4259] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4260] <... set_robust_list resumed>) = 0 [pid 4259] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 4260] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4259] <... futex resumed>) = 0 [pid 4260] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 4259] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4260] <... socketpair resumed>[3, 4]) = 0 [pid 4260] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4259] <... futex resumed>) = 0 [pid 4260] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4259] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 4260] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4259] <... futex resumed>) = 0 [pid 4260] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4259] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4260] <... sendmsg resumed>) = 0 [pid 4259] <... futex resumed>) = 0 [pid 4259] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4260] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4259] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4260] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4259] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4260] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4260] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4259] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4259] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[4261]}, 88) = 4261 [pid 4259] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4259] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4259] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4261 attached [pid 4261] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4261] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4261] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4261] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4259] <... futex resumed>) = 0 [pid 4261] <... futex resumed>) = 1 [pid 4261] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4260] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4260] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4260] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4260] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4260] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4260] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4260] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4260] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4260] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4260] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4260] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4260] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4260] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4260] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4260] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4260] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4260] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4260] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4260] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4260] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4260] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4260] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4260] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4260] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4260] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4260] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4260] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4260] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4260] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4260] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4259] exit_group(0) = ? [pid 4261] <... futex resumed>) = ? [pid 4260] <... futex resumed>) = ? [pid 4261] +++ exited with 0 +++ [pid 4260] +++ exited with 0 +++ [pid 4259] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4259, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4262 ./strace-static-x86_64: Process 4262 attached [pid 4262] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4262] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4262] setpgid(0, 0) = 0 [pid 4262] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4262] write(3, "1000", 4) = 4 [pid 4262] close(3) = 0 executing program [pid 4262] write(1, "executing program\n", 18) = 18 [pid 4262] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4262] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4262] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4262] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4262] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4262] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4262] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[4263]}, 88) = 4263 [pid 4262] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4262] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4262] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4263 attached [pid 4263] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4263] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4263] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4263] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4262] <... futex resumed>) = 0 [pid 4263] <... futex resumed>) = 1 [pid 4262] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 4263] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4262] <... futex resumed>) = 0 [pid 4262] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4263] <... sendmsg resumed>) = 0 [pid 4262] <... futex resumed>) = 0 [pid 4263] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4262] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4263] <... sendmsg resumed>) = 0 [pid 4262] <... mmap resumed>) = 0x7f857e3c2000 [pid 4263] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4262] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4262] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4262] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[4264]}, 88) = 4264 [pid 4262] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4262] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4262] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4263] <... sendmsg resumed>) = 0 [pid 4263] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4263] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4263] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4263] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4263] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4263] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4263] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4263] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4263] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4263] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4263] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4263] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4263] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4263] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4263] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4263] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4263] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4263] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4263] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4263] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4263] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4263] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4263] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4263] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4263] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4263] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4263] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4263] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4263] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4263] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4263] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4263] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 4264 attached [pid 4264] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4264] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4264] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4264] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4262] <... futex resumed>) = 0 [pid 4262] exit_group(0) = ? [pid 4263] <... futex resumed>) = ? [pid 4263] +++ exited with 0 +++ [pid 4264] <... futex resumed>) = ? [pid 4264] +++ exited with 0 +++ [pid 4262] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4262, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4265 attached , child_tidptr=0x55555bbac690) = 4265 [pid 4265] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4265] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4265] setpgid(0, 0) = 0 [pid 4265] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4265] write(3, "1000", 4) = 4 [pid 4265] close(3) = 0 [pid 4265] write(1, "executing program\n", 18executing program ) = 18 [pid 4265] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4265] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4265] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4265] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4265] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4265] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4265] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4266 attached [pid 4266] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4266] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4266] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4265] <... clone3 resumed> => {parent_tid=[4266]}, 88) = 4266 [pid 4265] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4265] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4266] <... futex resumed>) = 0 [pid 4266] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4266] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4266] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4265] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 4265] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4266] <... futex resumed>) = 0 [pid 4266] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4266] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4266] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4266] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4266] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4266] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4266] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4266] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4266] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4266] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4266] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4266] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4266] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4266] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4266] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4266] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4266] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4266] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4266] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4266] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4266] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4266] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4266] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4266] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4266] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4266] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4266] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4266] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4266] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4266] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4266] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4266] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4266] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4266] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4266] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4265] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4266] <... futex resumed>) = 0 [pid 4266] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4266] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4266] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4265] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 4265] exit_group(0) = ? [pid 4266] <... futex resumed>) = ? [pid 4266] +++ exited with 0 +++ [pid 4265] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4265, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4267 ./strace-static-x86_64: Process 4267 attached [pid 4267] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4267] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4267] setpgid(0, 0) = 0 [pid 4267] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4267] write(3, "1000", 4) = 4 [pid 4267] close(3) = 0 executing program [pid 4267] write(1, "executing program\n", 18) = 18 [pid 4267] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4267] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4267] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4267] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4267] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4267] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4267] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4268 attached => {parent_tid=[4268]}, 88) = 4268 [pid 4267] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4267] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4267] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4268] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4268] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4268] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4268] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4267] <... futex resumed>) = 0 [pid 4267] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4267] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4267] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4267] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4267] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4267] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[4269]}, 88) = 4269 [pid 4267] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4267] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4267] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4269 attached [pid 4269] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4269] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4269] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4269] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4267] <... futex resumed>) = 0 [pid 4269] <... futex resumed>) = 1 [pid 4268] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4269] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4268] <... sendmsg resumed>) = 0 [pid 4268] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4268] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4268] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4268] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4268] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4268] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4268] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4268] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4268] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4268] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4268] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4268] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4268] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4268] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4268] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4268] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4268] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4268] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4268] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4268] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4268] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4268] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4268] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4268] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4268] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4268] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4268] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4268] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4268] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4268] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4268] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4268] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4268] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4268] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4267] exit_group(0 [pid 4268] <... futex resumed>) = ? [pid 4267] <... exit_group resumed>) = ? [pid 4268] +++ exited with 0 +++ [pid 4269] <... futex resumed>) = ? [pid 4269] +++ exited with 0 +++ [pid 4267] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4267, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4270 ./strace-static-x86_64: Process 4270 attached [pid 4270] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4270] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4270] setpgid(0, 0) = 0 [pid 4270] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4270] write(3, "1000", 4) = 4 [pid 4270] close(3executing program ) = 0 [pid 4270] write(1, "executing program\n", 18) = 18 [pid 4270] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4270] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4270] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4270] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4270] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4270] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4270] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[4271]}, 88) = 4271 [pid 4270] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4270] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4270] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4271 attached [pid 4271] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4271] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4271] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4271] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4270] <... futex resumed>) = 0 [pid 4270] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4270] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4270] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4270] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4270] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4271] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4270] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4270] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[4272]}, 88) = 4272 [pid 4271] <... sendmsg resumed>) = 0 [pid 4270] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4270] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4270] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4272 attached [pid 4272] set_robust_list(0x7f857e3e29a0, 24 [pid 4271] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4272] <... set_robust_list resumed>) = 0 [pid 4272] rt_sigprocmask(SIG_SETMASK, [], [pid 4271] <... sendmsg resumed>) = 0 [pid 4272] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4272] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4272] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4270] <... futex resumed>) = 0 [pid 4272] <... futex resumed>) = 1 [pid 4271] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4272] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4271] <... sendmsg resumed>) = 0 [pid 4271] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4271] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4271] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4271] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4271] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4271] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4271] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4271] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4271] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4271] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4271] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4271] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4271] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4271] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4271] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4271] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4271] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4271] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4271] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4271] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4271] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4271] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4271] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4271] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4271] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4271] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4271] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4271] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4271] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4271] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4271] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4271] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4270] exit_group(0 [pid 4272] <... futex resumed>) = ? [pid 4270] <... exit_group resumed>) = ? [pid 4272] +++ exited with 0 +++ [pid 4271] <... futex resumed>) = ? [pid 4271] +++ exited with 0 +++ [pid 4270] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4270, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4273 ./strace-static-x86_64: Process 4273 attached [pid 4273] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4273] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4273] setpgid(0, 0) = 0 [pid 4273] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4273] write(3, "1000", 4) = 4 [pid 4273] close(3) = 0 [pid 4273] write(1, "executing program\n", 18executing program ) = 18 [pid 4273] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4273] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4273] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4273] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4273] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4273] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4273] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4274 attached => {parent_tid=[4274]}, 88) = 4274 [pid 4273] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4273] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4273] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4274] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4274] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4274] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4274] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4273] <... futex resumed>) = 0 [pid 4273] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4273] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4273] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4273] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4273] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4273] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[4275]}, 88) = 4275 [pid 4273] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4273] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4273] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4275 attached [pid 4275] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4275] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4275] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4275] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4273] <... futex resumed>) = 0 [pid 4275] <... futex resumed>) = 1 [pid 4275] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4274] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4274] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4274] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4274] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4274] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4274] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4274] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4274] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4274] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4274] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4274] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4274] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4274] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4274] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4274] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4274] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4274] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4274] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4274] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4274] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4274] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4274] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4274] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4274] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4274] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4274] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4274] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4274] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4274] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4274] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4274] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4274] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4274] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4274] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4274] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4273] exit_group(0) = ? [pid 4275] <... futex resumed>) = ? [pid 4274] <... futex resumed>) = ? [pid 4275] +++ exited with 0 +++ [pid 4274] +++ exited with 0 +++ [pid 4273] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4273, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4276 ./strace-static-x86_64: Process 4276 attached [pid 4276] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4276] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4276] setpgid(0, 0) = 0 [pid 4276] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4276] write(3, "1000", 4) = 4 [pid 4276] close(3) = 0 [pid 4276] write(1, "executing program\n", 18executing program ) = 18 [pid 4276] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4276] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4276] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4276] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4276] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4276] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4276] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4277 attached [pid 4277] set_robust_list(0x7f857e4039a0, 24 [pid 4276] <... clone3 resumed> => {parent_tid=[4277]}, 88) = 4277 [pid 4277] <... set_robust_list resumed>) = 0 [pid 4276] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4277] rt_sigprocmask(SIG_SETMASK, [], [pid 4276] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 4277] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4276] <... futex resumed>) = 0 [pid 4277] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 4276] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4277] <... socketpair resumed>[3, 4]) = 0 [pid 4277] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4276] <... futex resumed>) = 0 [pid 4276] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4276] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4276] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4276] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4276] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4276] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[4278]}, 88) = 4278 [pid 4276] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4276] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4276] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4278 attached [pid 4278] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4278] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4278] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4278] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4276] <... futex resumed>) = 0 [pid 4278] <... futex resumed>) = 1 [pid 4278] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4277] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4277] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4277] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4277] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4277] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4277] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4277] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4277] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4277] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4277] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4277] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4277] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4277] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4277] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4277] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4277] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4277] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4277] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4277] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4277] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4277] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4277] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4277] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4277] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4277] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4277] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4277] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4277] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4277] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4277] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4277] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4277] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4277] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4277] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4277] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4276] exit_group(0 [pid 4278] <... futex resumed>) = ? [pid 4277] <... futex resumed>) = ? [pid 4276] <... exit_group resumed>) = ? [pid 4277] +++ exited with 0 +++ [pid 4278] +++ exited with 0 +++ [pid 4276] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4276, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4279 ./strace-static-x86_64: Process 4279 attached [pid 4279] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4279] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4279] setpgid(0, 0) = 0 [pid 4279] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4279] write(3, "1000", 4) = 4 [pid 4279] close(3executing program ) = 0 [pid 4279] write(1, "executing program\n", 18) = 18 [pid 4279] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4279] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4279] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4279] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4279] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4279] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4279] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4280 attached => {parent_tid=[4280]}, 88) = 4280 [pid 4280] set_robust_list(0x7f857e4039a0, 24 [pid 4279] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4279] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4279] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4280] <... set_robust_list resumed>) = 0 [pid 4280] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4280] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4280] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4279] <... futex resumed>) = 0 [pid 4279] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4279] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4279] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4280] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4279] <... mmap resumed>) = 0x7f857e3c2000 [pid 4279] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4279] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4279] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4280] <... sendmsg resumed>) = 0 [pid 4279] <... clone3 resumed> => {parent_tid=[4281]}, 88) = 4281 [pid 4280] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4279] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4279] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4279] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4281 attached [pid 4281] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4281] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4281] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4281] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4279] <... futex resumed>) = 0 [pid 4281] <... futex resumed>) = 1 [pid 4280] <... sendmsg resumed>) = 0 [pid 4281] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4280] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4280] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4280] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4280] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4280] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4280] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4280] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4280] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4280] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4280] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4280] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4280] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4280] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4280] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4280] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4280] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4280] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4280] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4280] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4280] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4280] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4280] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4280] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4280] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4280] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4280] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4280] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4280] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4280] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4280] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4280] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4280] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4280] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4279] exit_group(0 [pid 4280] <... futex resumed>) = ? [pid 4279] <... exit_group resumed>) = ? [pid 4280] +++ exited with 0 +++ [pid 4281] <... futex resumed>) = ? [pid 4281] +++ exited with 0 +++ [pid 4279] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4279, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4282 ./strace-static-x86_64: Process 4282 attached [pid 4282] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4282] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4282] setpgid(0, 0) = 0 [pid 4282] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4282] write(3, "1000", 4) = 4 [pid 4282] close(3) = 0 [pid 4282] write(1, "executing program\n", 18executing program ) = 18 [pid 4282] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4282] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4282] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4282] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4282] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4282] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4282] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[4283]}, 88) = 4283 [pid 4282] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4282] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4282] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4283 attached [pid 4283] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4283] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4283] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4283] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4282] <... futex resumed>) = 0 [pid 4283] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4282] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4283] <... sendmsg resumed>) = 0 [pid 4282] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4283] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4282] <... futex resumed>) = 0 [pid 4282] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4283] <... sendmsg resumed>) = 0 [pid 4282] <... mmap resumed>) = 0x7f857e3c2000 [pid 4283] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4282] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 4283] <... sendmsg resumed>) = 0 [pid 4282] <... mprotect resumed>) = 0 [pid 4283] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4282] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4283] <... sendmsg resumed>) = 0 [pid 4283] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4282] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4282] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4283] <... sendmsg resumed>) = 0 ./strace-static-x86_64: Process 4284 attached [pid 4283] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4282] <... clone3 resumed> => {parent_tid=[4284]}, 88) = 4284 [pid 4282] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4282] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4282] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4284] set_robust_list(0x7f857e3e29a0, 24 [pid 4283] <... sendmsg resumed>) = 0 [pid 4284] <... set_robust_list resumed>) = 0 [pid 4283] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4284] rt_sigprocmask(SIG_SETMASK, [], [pid 4283] <... sendmsg resumed>) = 0 [pid 4284] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4283] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4284] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 4283] <... sendmsg resumed>) = 0 [pid 4284] <... setsockopt resumed>) = 0 [pid 4283] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4283] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4283] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4283] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4283] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4283] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4283] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4283] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4283] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4283] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4283] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4283] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4283] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4283] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4283] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4283] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4284] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4283] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 4283] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4283] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4283] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4283] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4284] <... futex resumed>) = 1 [pid 4283] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4282] <... futex resumed>) = 0 [pid 4284] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4283] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 4283] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4283] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4283] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4283] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4283] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4283] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4282] exit_group(0 [pid 4283] <... futex resumed>) = ? [pid 4282] <... exit_group resumed>) = ? [pid 4283] +++ exited with 0 +++ [pid 4284] <... futex resumed>) = ? [pid 4284] +++ exited with 0 +++ [pid 4282] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4282, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4285 ./strace-static-x86_64: Process 4285 attached [pid 4285] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4285] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4285] setpgid(0, 0) = 0 [pid 4285] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4285] write(3, "1000", 4) = 4 [pid 4285] close(3) = 0 executing program [pid 4285] write(1, "executing program\n", 18) = 18 [pid 4285] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4285] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4285] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4285] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4285] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4285] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4285] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[4286]}, 88) = 4286 [pid 4285] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4285] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4285] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4286 attached [pid 4286] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4286] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4286] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4286] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4285] <... futex resumed>) = 0 [pid 4285] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4285] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4285] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4285] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4285] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4285] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[4287]}, 88) = 4287 [pid 4286] <... futex resumed>) = 1 [pid 4285] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4285] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4285] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4287 attached [pid 4287] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4287] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4287] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4287] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4285] <... futex resumed>) = 0 [pid 4287] <... futex resumed>) = 1 [pid 4286] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4287] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4286] <... sendmsg resumed>) = 0 [pid 4286] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4286] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4286] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4286] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4286] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4286] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4286] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4286] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4286] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4286] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4286] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4286] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4286] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4286] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4286] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4286] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4286] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4286] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4286] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4286] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4286] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4286] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4286] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4286] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4286] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4286] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4286] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4286] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4286] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4286] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4286] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4286] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4286] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4286] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4285] exit_group(0 [pid 4287] <... futex resumed>) = ? [pid 4286] <... futex resumed>) = ? [pid 4285] <... exit_group resumed>) = ? [pid 4287] +++ exited with 0 +++ [pid 4286] +++ exited with 0 +++ [pid 4285] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4285, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4288 ./strace-static-x86_64: Process 4288 attached [pid 4288] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4288] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4288] setpgid(0, 0) = 0 [pid 4288] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4288] write(3, "1000", 4) = 4 executing program [pid 4288] close(3) = 0 [pid 4288] write(1, "executing program\n", 18) = 18 [pid 4288] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4288] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4288] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4288] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4288] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4288] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4288] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[4289]}, 88) = 4289 [pid 4288] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4288] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4288] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4289 attached [pid 4289] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4289] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4289] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4289] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4288] <... futex resumed>) = 0 [pid 4288] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4288] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4288] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4288] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4288] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4288] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[4290]}, 88) = 4290 ./strace-static-x86_64: Process 4290 attached [pid 4289] <... futex resumed>) = 1 [pid 4288] rt_sigprocmask(SIG_SETMASK, [], [pid 4290] set_robust_list(0x7f857e3e29a0, 24 [pid 4289] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4288] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4290] <... set_robust_list resumed>) = 0 [pid 4289] <... sendmsg resumed>) = 0 [pid 4290] rt_sigprocmask(SIG_SETMASK, [], [pid 4289] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4288] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 4289] <... sendmsg resumed>) = 0 [pid 4288] <... futex resumed>) = 0 [pid 4290] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4289] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4288] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4290] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 4289] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4290] <... setsockopt resumed>) = 0 [pid 4290] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4289] <... sendmsg resumed>) = 0 [pid 4289] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4290] <... futex resumed>) = 1 [pid 4289] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 4288] <... futex resumed>) = 0 [pid 4290] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4289] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4289] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4289] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4289] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4289] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4289] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4289] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4289] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4289] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4289] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4289] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4289] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4289] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4289] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4289] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4289] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4289] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4289] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4289] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4289] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4289] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4289] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4289] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4289] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4289] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4289] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4289] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4289] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4289] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4289] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4288] exit_group(0 [pid 4290] <... futex resumed>) = ? [pid 4289] <... futex resumed>) = ? [pid 4288] <... exit_group resumed>) = ? [pid 4290] +++ exited with 0 +++ [pid 4289] +++ exited with 0 +++ [pid 4288] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4288, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4291 attached , child_tidptr=0x55555bbac690) = 4291 [pid 4291] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4291] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4291] setpgid(0, 0) = 0 [pid 4291] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4291] write(3, "1000", 4) = 4 [pid 4291] close(3executing program ) = 0 [pid 4291] write(1, "executing program\n", 18) = 18 [pid 4291] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4291] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4291] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4291] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4291] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4291] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4291] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[4292]}, 88) = 4292 [pid 4291] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4291] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4291] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4292 attached [pid 4292] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4292] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4292] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4292] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4291] <... futex resumed>) = 0 [pid 4291] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4291] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4291] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4291] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4291] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4291] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4292] <... futex resumed>) = 1 [pid 4291] <... clone3 resumed> => {parent_tid=[4293]}, 88) = 4293 ./strace-static-x86_64: Process 4293 attached [pid 4292] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4291] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4291] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4291] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4293] set_robust_list(0x7f857e3e29a0, 24 [pid 4292] <... sendmsg resumed>) = 0 [pid 4293] <... set_robust_list resumed>) = 0 [pid 4292] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4293] rt_sigprocmask(SIG_SETMASK, [], [pid 4292] <... sendmsg resumed>) = 0 [pid 4293] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4292] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4293] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 4292] <... sendmsg resumed>) = 0 [pid 4293] <... setsockopt resumed>) = 0 [pid 4292] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4293] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4292] <... sendmsg resumed>) = 0 [pid 4293] <... futex resumed>) = 1 [pid 4292] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4291] <... futex resumed>) = 0 [pid 4292] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 4292] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4292] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4292] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4292] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4292] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4292] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4293] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4292] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4292] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4292] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4292] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4292] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4292] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4292] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4292] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4292] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4292] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4292] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4292] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4292] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4292] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4292] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4292] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4292] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4292] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4292] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4292] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4292] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4292] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4292] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4292] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4291] exit_group(0 [pid 4292] <... futex resumed>) = ? [pid 4291] <... exit_group resumed>) = ? [pid 4292] +++ exited with 0 +++ [pid 4293] <... futex resumed>) = ? [pid 4293] +++ exited with 0 +++ [pid 4291] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4291, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4294 ./strace-static-x86_64: Process 4294 attached [pid 4294] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4294] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4294] setpgid(0, 0) = 0 [pid 4294] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4294] write(3, "1000", 4executing program ) = 4 [pid 4294] close(3) = 0 [pid 4294] write(1, "executing program\n", 18) = 18 [pid 4294] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4294] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4294] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4294] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4294] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4294] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4294] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4295 attached => {parent_tid=[4295]}, 88) = 4295 [pid 4294] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4295] set_robust_list(0x7f857e4039a0, 24 [pid 4294] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4294] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4295] <... set_robust_list resumed>) = 0 [pid 4295] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4295] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4295] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4295] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4294] <... futex resumed>) = 0 [pid 4294] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4295] <... futex resumed>) = 0 [pid 4295] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4295] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4295] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4295] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4295] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4294] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4294] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4295] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4294] <... mmap resumed>) = 0x7f857e3c2000 [pid 4295] <... sendmsg resumed>) = 0 [pid 4294] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 4295] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4294] <... mprotect resumed>) = 0 [pid 4295] <... sendmsg resumed>) = 0 [pid 4295] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4294] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4295] <... sendmsg resumed>) = 0 [pid 4295] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4294] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4294] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4295] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 ./strace-static-x86_64: Process 4296 attached [pid 4295] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4295] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4295] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4295] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4295] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4294] <... clone3 resumed> => {parent_tid=[4296]}, 88) = 4296 [pid 4294] rt_sigprocmask(SIG_SETMASK, [], [pid 4295] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4294] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4295] <... sendmsg resumed>) = 0 [pid 4294] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4294] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4295] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4296] set_robust_list(0x7f857e3e29a0, 24 [pid 4295] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4295] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4295] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4295] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4295] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4295] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4295] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4295] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4295] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4296] <... set_robust_list resumed>) = 0 [pid 4295] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4295] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4295] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4295] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4295] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4295] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4295] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4295] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4295] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4296] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4296] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4296] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4294] <... futex resumed>) = 0 [pid 4294] exit_group(0) = ? [pid 4295] <... futex resumed>) = ? [pid 4295] +++ exited with 0 +++ [pid 4296] +++ exited with 0 +++ [pid 4294] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4294, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4297 ./strace-static-x86_64: Process 4297 attached [pid 4297] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4297] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4297] setpgid(0, 0) = 0 [pid 4297] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4297] write(3, "1000", 4) = 4 [pid 4297] close(3) = 0 [pid 4297] write(1, "executing program\n", 18executing program ) = 18 [pid 4297] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4297] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4297] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4297] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4297] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4297] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4297] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[4298]}, 88) = 4298 [pid 4297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4297] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4297] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4298 attached [pid 4298] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4298] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4298] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4298] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4297] <... futex resumed>) = 0 [pid 4297] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4297] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4297] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4297] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4297] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4298] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4297] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4297] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4298] <... sendmsg resumed>) = 0 ./strace-static-x86_64: Process 4299 attached [pid 4297] <... clone3 resumed> => {parent_tid=[4299]}, 88) = 4299 [pid 4297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4297] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4297] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4299] set_robust_list(0x7f857e3e29a0, 24 [pid 4298] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4299] <... set_robust_list resumed>) = 0 [pid 4298] <... sendmsg resumed>) = 0 [pid 4299] rt_sigprocmask(SIG_SETMASK, [], [pid 4298] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4299] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4298] <... sendmsg resumed>) = 0 [pid 4298] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4298] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4298] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4298] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4298] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4298] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4298] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4298] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4298] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4298] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4298] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4298] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4298] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4298] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4298] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4298] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4299] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 4298] <... sendmsg resumed>) = 0 [pid 4298] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4298] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4299] <... setsockopt resumed>) = 0 [pid 4298] <... sendmsg resumed>) = 0 [pid 4298] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4298] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4298] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4299] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4298] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 4299] <... futex resumed>) = 1 [pid 4298] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4297] <... futex resumed>) = 0 [pid 4299] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4298] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 4298] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4298] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4298] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4298] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4298] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4298] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4298] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4298] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4298] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4298] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4297] exit_group(0 [pid 4298] <... futex resumed>) = ? [pid 4297] <... exit_group resumed>) = ? [pid 4298] +++ exited with 0 +++ [pid 4299] <... futex resumed>) = ? [pid 4299] +++ exited with 0 +++ [pid 4297] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4297, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4300 ./strace-static-x86_64: Process 4300 attached [pid 4300] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4300] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4300] setpgid(0, 0) = 0 [pid 4300] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4300] write(3, "1000", 4) = 4 [pid 4300] close(3) = 0 [pid 4300] write(1, "executing program\n", 18executing program ) = 18 [pid 4300] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4300] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4300] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4300] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4300] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4300] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4300] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4301 attached => {parent_tid=[4301]}, 88) = 4301 [pid 4301] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4301] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4301] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4300] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4300] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4301] <... futex resumed>) = 0 [pid 4301] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4301] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4301] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4300] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 4300] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4301] <... futex resumed>) = 0 [pid 4301] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4301] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4301] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4301] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4301] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4301] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4301] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4301] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4301] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4301] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4301] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4301] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4300] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4301] <... sendmsg resumed>) = 0 [pid 4301] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4301] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4301] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4301] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4301] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4301] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4301] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4301] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4301] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4301] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4301] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4301] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4301] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4301] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4301] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4301] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4301] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4301] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4301] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4301] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4301] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4301] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4301] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4300] <... futex resumed>) = 0 [pid 4300] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4300] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4300] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4300] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0}./strace-static-x86_64: Process 4302 attached [pid 4302] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4302] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4302] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4300] <... clone3 resumed> => {parent_tid=[4302]}, 88) = 4302 [pid 4300] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4300] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4302] <... futex resumed>) = 0 [pid 4302] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4302] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4302] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4300] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 4300] exit_group(0 [pid 4301] <... futex resumed>) = ? [pid 4301] +++ exited with 0 +++ [pid 4300] <... exit_group resumed>) = ? [pid 4302] <... futex resumed>) = ? [pid 4302] +++ exited with 0 +++ [pid 4300] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4300, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4303 ./strace-static-x86_64: Process 4303 attached [pid 4303] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4303] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4303] setpgid(0, 0) = 0 [pid 4303] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4303] write(3, "1000", 4) = 4 [pid 4303] close(3) = 0 executing program [pid 4303] write(1, "executing program\n", 18) = 18 [pid 4303] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4303] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4303] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4303] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4303] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4303] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4303] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4304 attached [pid 4304] set_robust_list(0x7f857e4039a0, 24 [pid 4303] <... clone3 resumed> => {parent_tid=[4304]}, 88) = 4304 [pid 4303] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4303] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4303] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4304] <... set_robust_list resumed>) = 0 [pid 4304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4304] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4304] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4303] <... futex resumed>) = 0 [pid 4303] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4303] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4303] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4303] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4303] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4303] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[4305]}, 88) = 4305 [pid 4303] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4303] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4303] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4305 attached [pid 4305] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4305] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4305] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4303] <... futex resumed>) = 0 [pid 4305] <... futex resumed>) = 1 [pid 4305] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4304] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4304] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4304] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4304] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4304] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4304] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4304] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4304] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4304] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4304] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4304] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4304] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4304] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4304] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4304] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4304] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4304] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4304] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4304] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4304] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4304] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4304] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4304] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4304] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4304] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4304] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4304] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4304] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4304] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4304] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4304] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4304] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4304] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4304] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4304] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4303] exit_group(0 [pid 4304] <... futex resumed>) = ? [pid 4303] <... exit_group resumed>) = ? [pid 4304] +++ exited with 0 +++ [pid 4305] <... futex resumed>) = ? [pid 4305] +++ exited with 0 +++ [pid 4303] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4303, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4306 ./strace-static-x86_64: Process 4306 attached [pid 4306] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4306] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4306] setpgid(0, 0) = 0 [pid 4306] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4306] write(3, "1000", 4executing program ) = 4 [pid 4306] close(3) = 0 [pid 4306] write(1, "executing program\n", 18) = 18 [pid 4306] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4306] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4306] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4306] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4306] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4306] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4307 attached => {parent_tid=[4307]}, 88) = 4307 [pid 4307] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4307] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4306] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4307] <... futex resumed>) = 0 [pid 4307] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4307] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4307] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4306] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 4306] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4307] <... futex resumed>) = 0 [pid 4306] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4307] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4307] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4307] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4306] <... futex resumed>) = 0 [pid 4306] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4307] <... sendmsg resumed>) = 0 [pid 4306] <... mmap resumed>) = 0x7f857e3c2000 [pid 4307] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4306] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 4307] <... sendmsg resumed>) = 0 [pid 4306] <... mprotect resumed>) = 0 [pid 4307] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4306] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4307] <... sendmsg resumed>) = 0 [pid 4307] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4306] <... clone3 resumed> => {parent_tid=[4308]}, 88) = 4308 [pid 4306] rt_sigprocmask(SIG_SETMASK, [], [pid 4307] <... sendmsg resumed>) = 0 [pid 4306] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 4308 attached [pid 4306] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4307] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4306] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4307] <... sendmsg resumed>) = 0 [pid 4307] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4307] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4308] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4307] <... sendmsg resumed>) = 0 [pid 4308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4308] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4308] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4306] <... futex resumed>) = 0 [pid 4308] <... futex resumed>) = 1 [pid 4308] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4307] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4307] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4307] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4307] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4307] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4307] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4307] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4307] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4307] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4307] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4307] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4307] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4307] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4307] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4307] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4307] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4307] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4307] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4307] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4307] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4307] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4307] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4307] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4307] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4307] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4307] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4306] exit_group(0) = ? [pid 4308] <... futex resumed>) = 231 [pid 4307] <... futex resumed>) = ? [pid 4308] +++ exited with 0 +++ [pid 4307] +++ exited with 0 +++ [pid 4306] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4306, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4309 ./strace-static-x86_64: Process 4309 attached [pid 4309] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4309] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4309] setpgid(0, 0) = 0 [pid 4309] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4309] write(3, "1000", 4) = 4 executing program [pid 4309] close(3) = 0 [pid 4309] write(1, "executing program\n", 18) = 18 [pid 4309] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4309] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4309] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4309] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4309] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4309] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4309] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4310 attached => {parent_tid=[4310]}, 88) = 4310 [pid 4310] set_robust_list(0x7f857e4039a0, 24 [pid 4309] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4310] <... set_robust_list resumed>) = 0 [pid 4309] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 4310] rt_sigprocmask(SIG_SETMASK, [], [pid 4309] <... futex resumed>) = 0 [pid 4310] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4310] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 4309] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4310] <... socketpair resumed>[3, 4]) = 0 [pid 4310] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4309] <... futex resumed>) = 0 [pid 4310] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4309] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 4310] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4310] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4310] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4310] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4310] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4309] <... futex resumed>) = 0 [pid 4309] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4309] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4309] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4310] <... sendmsg resumed>) = 0 [pid 4309] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4309] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4310] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4309] <... clone3 resumed> => {parent_tid=[4311]}, 88) = 4311 [pid 4309] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4309] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4309] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4311 attached [pid 4311] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4311] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4311] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4311] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4309] <... futex resumed>) = 0 [pid 4311] <... futex resumed>) = 1 [pid 4311] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4310] <... sendmsg resumed>) = 0 [pid 4310] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4310] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4310] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4310] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4310] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4310] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4310] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4310] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4310] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4310] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4310] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4310] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4310] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4310] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4310] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4310] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4310] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4310] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4310] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4310] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4310] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4310] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4310] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4310] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4310] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4310] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4310] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4310] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4310] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4310] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4309] exit_group(0 [pid 4310] <... futex resumed>) = ? [pid 4309] <... exit_group resumed>) = ? [pid 4311] <... futex resumed>) = ? [pid 4310] +++ exited with 0 +++ [pid 4311] +++ exited with 0 +++ [pid 4309] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4309, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4312 attached , child_tidptr=0x55555bbac690) = 4312 [pid 4312] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4312] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4312] setpgid(0, 0) = 0 [pid 4312] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4312] write(3, "1000", 4) = 4 [pid 4312] close(3) = 0 [pid 4312] write(1, "executing program\n", 18executing program ) = 18 [pid 4312] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4312] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4312] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4312] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4312] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4312] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4312] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[4313]}, 88) = 4313 [pid 4312] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4312] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4312] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4313 attached [pid 4313] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4313] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4313] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4313] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4312] <... futex resumed>) = 0 [pid 4313] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4312] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4313] <... sendmsg resumed>) = 0 [pid 4312] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4313] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4312] <... futex resumed>) = 0 [pid 4312] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4313] <... sendmsg resumed>) = 0 [pid 4312] <... mmap resumed>) = 0x7f857e3c2000 [pid 4313] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4312] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4313] <... sendmsg resumed>) = 0 [pid 4312] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4313] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4312] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4313] <... sendmsg resumed>) = 0 [pid 4312] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4313] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0./strace-static-x86_64: Process 4314 attached ) = 0 [pid 4312] <... clone3 resumed> => {parent_tid=[4314]}, 88) = 4314 [pid 4312] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4312] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4312] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4314] set_robust_list(0x7f857e3e29a0, 24 [pid 4313] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4314] <... set_robust_list resumed>) = 0 [pid 4314] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4314] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4314] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4312] <... futex resumed>) = 0 [pid 4314] <... futex resumed>) = 1 [pid 4314] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4313] <... sendmsg resumed>) = 0 [pid 4313] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4313] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4313] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4313] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4313] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4313] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4313] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4313] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4313] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4313] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4313] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4313] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4313] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4313] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4313] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4313] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4313] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4313] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4313] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4313] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4313] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4313] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4313] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4313] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4313] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4313] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4313] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4313] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4313] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4312] exit_group(0 [pid 4313] <... futex resumed>) = ? [pid 4312] <... exit_group resumed>) = ? [pid 4313] +++ exited with 0 +++ [pid 4314] <... futex resumed>) = ? [pid 4314] +++ exited with 0 +++ [pid 4312] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4312, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4315 ./strace-static-x86_64: Process 4315 attached [pid 4315] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4315] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4315] setpgid(0, 0) = 0 [pid 4315] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4315] write(3, "1000", 4) = 4 executing program [pid 4315] close(3) = 0 [pid 4315] write(1, "executing program\n", 18) = 18 [pid 4315] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4315] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4315] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4315] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4315] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4315] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4315] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4316 attached [pid 4316] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4316] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4316] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4315] <... clone3 resumed> => {parent_tid=[4316]}, 88) = 4316 [pid 4315] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4315] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4316] <... futex resumed>) = 0 [pid 4316] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4315] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4316] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4315] <... futex resumed>) = 0 [pid 4315] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4315] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4315] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4315] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4316] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4315] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4316] <... sendmsg resumed>) = 0 [pid 4316] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4315] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4316] <... sendmsg resumed>) = 0 [pid 4315] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4316] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4316] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4316] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4316] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4315] <... clone3 resumed> => {parent_tid=[4317]}, 88) = 4317 [pid 4315] rt_sigprocmask(SIG_SETMASK, [], [pid 4316] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4315] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4316] <... sendmsg resumed>) = 0 [pid 4315] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4315] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4316] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4316] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4316] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4316] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4316] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4316] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4316] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4316] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4316] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4316] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4316] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4316] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4316] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4316] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4316] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 ./strace-static-x86_64: Process 4317 attached [pid 4316] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4316] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4316] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4316] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4316] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4316] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4316] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4316] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4316] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4317] set_robust_list(0x7f857e3e29a0, 24 [pid 4316] <... sendmsg resumed>) = 0 [pid 4316] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4316] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4316] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4316] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4317] <... set_robust_list resumed>) = 0 [pid 4317] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4317] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4317] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4315] <... futex resumed>) = 0 [pid 4315] exit_group(0) = ? [pid 4316] <... futex resumed>) = ? [pid 4317] +++ exited with 0 +++ [pid 4316] +++ exited with 0 +++ [pid 4315] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4315, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4318 ./strace-static-x86_64: Process 4318 attached [pid 4318] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4318] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4318] setpgid(0, 0) = 0 [pid 4318] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 executing program [pid 4318] write(3, "1000", 4) = 4 [pid 4318] close(3) = 0 [pid 4318] write(1, "executing program\n", 18) = 18 [pid 4318] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4318] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4318] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4318] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4318] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4318] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4318] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[4319]}, 88) = 4319 [pid 4318] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4318] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4318] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4319 attached [pid 4319] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4319] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4319] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4319] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4318] <... futex resumed>) = 0 [pid 4318] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4318] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4318] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4318] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4318] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4318] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[4320]}, 88) = 4320 [pid 4319] <... futex resumed>) = 1 [pid 4319] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4318] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 4320 attached [pid 4319] <... sendmsg resumed>) = 0 [pid 4318] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4318] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4320] set_robust_list(0x7f857e3e29a0, 24 [pid 4319] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4320] <... set_robust_list resumed>) = 0 [pid 4319] <... sendmsg resumed>) = 0 [pid 4319] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4320] rt_sigprocmask(SIG_SETMASK, [], [pid 4319] <... sendmsg resumed>) = 0 [pid 4320] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4319] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4320] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 4319] <... sendmsg resumed>) = 0 [pid 4320] <... setsockopt resumed>) = 0 [pid 4319] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4320] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4319] <... sendmsg resumed>) = 0 [pid 4320] <... futex resumed>) = 1 [pid 4319] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4318] <... futex resumed>) = 0 [pid 4319] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 4319] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4319] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4319] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4319] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4319] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4319] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4319] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4319] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4319] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4319] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4320] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4319] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4319] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4319] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4319] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4319] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4319] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4319] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4319] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4319] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4319] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4319] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4319] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4319] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4319] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4319] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4319] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4319] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4319] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4319] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4318] exit_group(0 [pid 4319] <... futex resumed>) = ? [pid 4318] <... exit_group resumed>) = ? [pid 4319] +++ exited with 0 +++ [pid 4320] <... futex resumed>) = ? [pid 4320] +++ exited with 0 +++ [pid 4318] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4318, si_uid=0, si_status=0, si_utime=1, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4321 ./strace-static-x86_64: Process 4321 attached [pid 4321] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4321] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4321] setpgid(0, 0) = 0 [pid 4321] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4321] write(3, "1000", 4) = 4 [pid 4321] close(3executing program ) = 0 [pid 4321] write(1, "executing program\n", 18) = 18 [pid 4321] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4321] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4321] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4321] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4321] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4321] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4321] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[4322]}, 88) = 4322 ./strace-static-x86_64: Process 4322 attached [pid 4321] rt_sigprocmask(SIG_SETMASK, [], [pid 4322] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4322] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4322] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4321] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4321] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 4322] <... futex resumed>) = 0 [pid 4321] <... futex resumed>) = 1 [pid 4322] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 4321] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4322] <... socketpair resumed>[3, 4]) = 0 [pid 4322] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4322] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4321] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4321] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4322] <... futex resumed>) = 0 [pid 4321] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4322] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4321] <... futex resumed>) = 0 [pid 4321] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4322] <... sendmsg resumed>) = 0 [pid 4321] <... mmap resumed>) = 0x7f857e3c2000 [pid 4322] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4321] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 4322] <... sendmsg resumed>) = 0 [pid 4321] <... mprotect resumed>) = 0 [pid 4322] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4321] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4321] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4322] <... sendmsg resumed>) = 0 [pid 4322] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4321] <... clone3 resumed> => {parent_tid=[4323]}, 88) = 4323 [pid 4321] rt_sigprocmask(SIG_SETMASK, [], [pid 4322] <... sendmsg resumed>) = 0 [pid 4321] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4322] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4321] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4321] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4323 attached [pid 4322] <... sendmsg resumed>) = 0 [pid 4322] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4322] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4322] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4322] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4322] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4323] set_robust_list(0x7f857e3e29a0, 24 [pid 4322] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4322] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4323] <... set_robust_list resumed>) = 0 [pid 4322] <... sendmsg resumed>) = 0 [pid 4322] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4322] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4323] rt_sigprocmask(SIG_SETMASK, [], [pid 4322] <... sendmsg resumed>) = 0 [pid 4323] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4322] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4322] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4322] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4323] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 4322] <... sendmsg resumed>) = 0 [pid 4322] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4322] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4322] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4323] <... setsockopt resumed>) = 0 [pid 4322] <... sendmsg resumed>) = 0 [pid 4323] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4322] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4322] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4322] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4322] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4321] <... futex resumed>) = 0 [pid 4322] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 4322] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4322] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4322] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4322] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4323] <... futex resumed>) = 1 [pid 4322] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 4322] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4322] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4322] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4323] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4322] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 4322] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4322] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4322] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4322] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4321] exit_group(0 [pid 4323] <... futex resumed>) = 231 [pid 4321] <... exit_group resumed>) = ? [pid 4322] <... futex resumed>) = ? [pid 4322] +++ exited with 0 +++ [pid 4323] +++ exited with 0 +++ [pid 4321] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4321, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4324 attached [pid 4324] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 524] <... clone resumed>, child_tidptr=0x55555bbac690) = 4324 [pid 4324] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4324] setpgid(0, 0) = 0 [pid 4324] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4324] write(3, "1000", 4) = 4 [pid 4324] close(3) = 0 [pid 4324] write(1, "executing program\n", 18executing program ) = 18 [pid 4324] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4324] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4324] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4324] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4324] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4324] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4324] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4325 attached => {parent_tid=[4325]}, 88) = 4325 [pid 4325] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4325] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4325] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4324] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4324] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4325] <... futex resumed>) = 0 [pid 4325] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 4324] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4325] <... socketpair resumed>[3, 4]) = 0 [pid 4325] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4324] <... futex resumed>) = 0 [pid 4324] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4324] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4324] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4324] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4324] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4324] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[4326]}, 88) = 4326 [pid 4324] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4324] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4324] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4326 attached [pid 4326] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4326] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4326] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4326] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4324] <... futex resumed>) = 0 [pid 4326] <... futex resumed>) = 1 [pid 4325] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4326] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4325] <... sendmsg resumed>) = 0 [pid 4325] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4325] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4325] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4325] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4325] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4325] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4325] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4325] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4325] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4325] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4325] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4325] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4325] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4325] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4325] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4325] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4325] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4325] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4325] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4325] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4325] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4325] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4325] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4325] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4325] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4325] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4325] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4325] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4325] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4325] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4325] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4325] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4325] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4324] exit_group(0 [pid 4325] ????( [pid 4324] <... exit_group resumed>) = ? [pid 4325] <... ???? resumed>) = 0xe7 [pid 4326] <... futex resumed>) = ? [pid 4326] +++ exited with 0 +++ [pid 4325] +++ exited with 0 +++ [pid 4324] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4324, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4327 attached , child_tidptr=0x55555bbac690) = 4327 [pid 4327] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4327] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4327] setpgid(0, 0) = 0 [pid 4327] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4327] write(3, "1000", 4) = 4 [pid 4327] close(3) = 0 [pid 4327] write(1, "executing program\n", 18executing program ) = 18 [pid 4327] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4327] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4327] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4327] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4327] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4327] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4327] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4328 attached => {parent_tid=[4328]}, 88) = 4328 [pid 4328] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4328] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4328] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4327] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4327] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4328] <... futex resumed>) = 0 [pid 4328] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 4327] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4328] <... socketpair resumed>[3, 4]) = 0 [pid 4328] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4328] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4327] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4327] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4328] <... futex resumed>) = 0 [pid 4328] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4328] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4328] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4328] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4328] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4328] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4327] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4328] <... sendmsg resumed>) = 0 [pid 4328] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4328] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4328] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4328] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4328] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4328] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4328] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4328] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4328] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4328] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4328] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4328] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4328] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4328] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4328] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4328] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4328] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4328] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4328] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4328] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4328] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4328] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4328] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4328] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4328] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4328] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4328] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4328] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4328] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4327] <... futex resumed>) = 0 [pid 4327] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4327] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4327] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4327] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0}./strace-static-x86_64: Process 4329 attached [pid 4329] set_robust_list(0x7f857e3e29a0, 24 [pid 4327] <... clone3 resumed> => {parent_tid=[4329]}, 88) = 4329 [pid 4329] <... set_robust_list resumed>) = 0 [pid 4329] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4329] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4327] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4327] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4329] <... futex resumed>) = 0 [pid 4327] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4329] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4329] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4329] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4327] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4327] exit_group(0 [pid 4328] <... futex resumed>) = ? [pid 4327] <... exit_group resumed>) = ? [pid 4328] +++ exited with 0 +++ [pid 4329] <... futex resumed>) = ? [pid 4329] +++ exited with 0 +++ [pid 4327] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4327, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4330 ./strace-static-x86_64: Process 4330 attached [pid 4330] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4330] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4330] setpgid(0, 0) = 0 [pid 4330] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4330] write(3, "1000", 4) = 4 [pid 4330] close(3) = 0 executing program [pid 4330] write(1, "executing program\n", 18) = 18 [pid 4330] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4330] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4330] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4330] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4330] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4330] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4330] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4331 attached [pid 4331] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4331] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4331] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4330] <... clone3 resumed> => {parent_tid=[4331]}, 88) = 4331 [pid 4330] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4330] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4331] <... futex resumed>) = 0 [pid 4331] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 4330] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4331] <... socketpair resumed>[3, 4]) = 0 [pid 4331] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4331] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4330] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4330] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4331] <... futex resumed>) = 0 [pid 4331] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4331] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4331] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4331] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4331] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4330] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4331] <... sendmsg resumed>) = 0 [pid 4331] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4331] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4331] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4331] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4331] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4331] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4331] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4331] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4331] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4331] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4331] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4331] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4331] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4331] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4331] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4331] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4331] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4330] <... futex resumed>) = 0 [pid 4331] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4331] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4331] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4330] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4331] <... sendmsg resumed>) = 0 [pid 4331] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4330] <... mmap resumed>) = 0x7f857e3c2000 [pid 4331] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4331] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4331] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4330] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 4331] <... sendmsg resumed>) = 0 [pid 4330] <... mprotect resumed>) = 0 [pid 4331] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4331] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4330] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4331] <... sendmsg resumed>) = 0 [pid 4331] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4331] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4331] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4331] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4330] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0}./strace-static-x86_64: Process 4332 attached => {parent_tid=[4332]}, 88) = 4332 [pid 4332] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4332] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4332] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4330] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4330] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4332] <... futex resumed>) = 0 [pid 4330] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4332] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4332] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4332] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4330] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4330] exit_group(0 [pid 4331] <... futex resumed>) = ? [pid 4330] <... exit_group resumed>) = ? [pid 4331] +++ exited with 0 +++ [pid 4332] <... futex resumed>) = ? [pid 4332] +++ exited with 0 +++ [pid 4330] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4330, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4333 ./strace-static-x86_64: Process 4333 attached [pid 4333] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4333] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4333] setpgid(0, 0) = 0 [pid 4333] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4333] write(3, "1000", 4executing program ) = 4 [pid 4333] close(3) = 0 [pid 4333] write(1, "executing program\n", 18) = 18 [pid 4333] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4333] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4333] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4333] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4333] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4333] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4333] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4334 attached => {parent_tid=[4334]}, 88) = 4334 [pid 4333] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4333] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4333] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4334] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4334] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4334] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4334] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4334] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4333] <... futex resumed>) = 0 [pid 4333] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 4334] <... futex resumed>) = 0 [pid 4333] <... futex resumed>) = 1 [pid 4334] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4334] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4334] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4334] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4333] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4334] <... sendmsg resumed>) = 0 [pid 4334] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4334] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4333] <... futex resumed>) = 0 [pid 4334] <... sendmsg resumed>) = 0 [pid 4334] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4333] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4334] <... sendmsg resumed>) = 0 [pid 4334] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4334] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4334] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4334] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4334] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4333] <... mmap resumed>) = 0x7f857e3c2000 [pid 4334] <... sendmsg resumed>) = 0 [pid 4333] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 4334] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4333] <... mprotect resumed>) = 0 [pid 4334] <... sendmsg resumed>) = 0 [pid 4333] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4334] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4333] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4333] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4334] <... sendmsg resumed>) = 0 [pid 4334] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4334] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4333] <... clone3 resumed> => {parent_tid=[4335]}, 88) = 4335 [pid 4334] <... sendmsg resumed>) = 0 [pid 4333] rt_sigprocmask(SIG_SETMASK, [], [pid 4334] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4333] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4333] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 4334] <... sendmsg resumed>) = 0 [pid 4333] <... futex resumed>) = 0 [pid 4334] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4333] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4334] <... sendmsg resumed>) = 0 [pid 4334] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4334] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4334] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4334] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4334] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0./strace-static-x86_64: Process 4335 attached ) = 0 [pid 4334] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4334] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4334] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4334] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4334] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4334] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4334] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4334] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4334] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4334] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4334] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4334] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4335] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4335] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4335] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4335] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4333] <... futex resumed>) = 0 [pid 4333] exit_group(0) = ? [pid 4335] +++ exited with 0 +++ [pid 4334] <... futex resumed>) = ? [pid 4334] +++ exited with 0 +++ [pid 4333] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4333, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4336 ./strace-static-x86_64: Process 4336 attached [pid 4336] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4336] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4336] setpgid(0, 0) = 0 [pid 4336] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4336] write(3, "1000", 4executing program ) = 4 [pid 4336] close(3) = 0 [pid 4336] write(1, "executing program\n", 18) = 18 [pid 4336] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4336] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4336] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4336] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4336] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4336] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4336] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4337 attached => {parent_tid=[4337]}, 88) = 4337 [pid 4336] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4336] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4336] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4337] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4337] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4337] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4337] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4336] <... futex resumed>) = 0 [pid 4336] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4336] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4337] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4336] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4337] <... sendmsg resumed>) = 0 [pid 4336] <... mmap resumed>) = 0x7f857e3c2000 [pid 4337] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4336] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 4337] <... sendmsg resumed>) = 0 [pid 4336] <... mprotect resumed>) = 0 [pid 4337] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4336] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4337] <... sendmsg resumed>) = 0 [pid 4336] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4337] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4336] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0}./strace-static-x86_64: Process 4338 attached [pid 4337] <... sendmsg resumed>) = 0 [pid 4337] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4336] <... clone3 resumed> => {parent_tid=[4338]}, 88) = 4338 [pid 4337] <... sendmsg resumed>) = 0 [pid 4336] rt_sigprocmask(SIG_SETMASK, [], [pid 4337] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4336] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4337] <... sendmsg resumed>) = 0 [pid 4336] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 4337] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4336] <... futex resumed>) = 0 [pid 4337] <... sendmsg resumed>) = 0 [pid 4336] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4337] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4337] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4337] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4337] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4337] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4337] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4337] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4337] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4337] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4337] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4337] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4337] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4337] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4338] set_robust_list(0x7f857e3e29a0, 24 [pid 4337] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4337] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4337] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4337] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4337] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4337] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4337] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4337] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4337] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4337] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4337] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4337] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4337] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4337] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4337] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4338] <... set_robust_list resumed>) = 0 [pid 4338] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4338] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4338] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4336] <... futex resumed>) = 0 [pid 4338] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4336] exit_group(0 [pid 4338] <... futex resumed>) = ? [pid 4337] <... futex resumed>) = ? [pid 4336] <... exit_group resumed>) = ? [pid 4338] +++ exited with 0 +++ [pid 4337] +++ exited with 0 +++ [pid 4336] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4336, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4339 ./strace-static-x86_64: Process 4339 attached [pid 4339] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4339] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4339] setpgid(0, 0) = 0 [pid 4339] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4339] write(3, "1000", 4) = 4 [pid 4339] close(3) = 0 executing program [pid 4339] write(1, "executing program\n", 18) = 18 [pid 4339] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4339] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4339] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4339] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4339] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4339] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4339] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4340 attached => {parent_tid=[4340]}, 88) = 4340 [pid 4340] set_robust_list(0x7f857e4039a0, 24 [pid 4339] rt_sigprocmask(SIG_SETMASK, [], [pid 4340] <... set_robust_list resumed>) = 0 [pid 4339] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4340] rt_sigprocmask(SIG_SETMASK, [], [pid 4339] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 4340] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4339] <... futex resumed>) = 0 [pid 4340] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 4339] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4340] <... socketpair resumed>[3, 4]) = 0 [pid 4340] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4339] <... futex resumed>) = 0 [pid 4339] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4339] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4339] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4339] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4340] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4339] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4339] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4340] <... sendmsg resumed>) = 0 [pid 4340] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4339] <... clone3 resumed> => {parent_tid=[4341]}, 88) = 4341 [pid 4339] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4339] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4339] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4341 attached [pid 4341] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4340] <... sendmsg resumed>) = 0 [pid 4341] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4341] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4340] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4341] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4339] <... futex resumed>) = 0 [pid 4341] <... futex resumed>) = 1 [pid 4340] <... sendmsg resumed>) = 0 [pid 4341] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4340] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4340] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4340] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4340] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4340] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4340] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4340] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4340] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4340] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4340] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4340] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4340] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4340] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4340] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4340] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4340] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4340] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4340] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4340] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4340] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4340] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4340] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4340] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4340] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4340] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4340] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4340] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4340] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4340] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4340] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4340] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4340] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4339] exit_group(0 [pid 4340] <... futex resumed>) = ? [pid 4339] <... exit_group resumed>) = ? [pid 4341] <... futex resumed>) = ? [pid 4340] +++ exited with 0 +++ [pid 4341] +++ exited with 0 +++ [pid 4339] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4339, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4342 ./strace-static-x86_64: Process 4342 attached [pid 4342] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4342] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4342] setpgid(0, 0) = 0 [pid 4342] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4342] write(3, "1000", 4) = 4 [pid 4342] close(3) = 0 executing program [pid 4342] write(1, "executing program\n", 18) = 18 [pid 4342] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4342] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4342] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4342] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4342] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4342] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4342] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[4343]}, 88) = 4343 [pid 4342] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4342] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4342] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4343 attached [pid 4343] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4343] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4343] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4343] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4342] <... futex resumed>) = 0 [pid 4342] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4342] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4342] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4342] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4342] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4343] <... futex resumed>) = 1 [pid 4342] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4343] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4342] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4343] <... sendmsg resumed>) = 0 [pid 4343] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0./strace-static-x86_64: Process 4344 attached [pid 4342] <... clone3 resumed> => {parent_tid=[4344]}, 88) = 4344 [pid 4344] set_robust_list(0x7f857e3e29a0, 24 [pid 4343] <... sendmsg resumed>) = 0 [pid 4342] rt_sigprocmask(SIG_SETMASK, [], [pid 4343] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4342] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4342] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4342] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4343] <... sendmsg resumed>) = 0 [pid 4343] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4343] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4343] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4343] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4343] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4343] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4343] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4343] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4343] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4343] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4343] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4343] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4343] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4343] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4343] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4343] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4343] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4343] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4343] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4343] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4343] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4344] <... set_robust_list resumed>) = 0 [pid 4343] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4343] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4343] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4343] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4343] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4343] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4343] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4344] rt_sigprocmask(SIG_SETMASK, [], [pid 4343] <... sendmsg resumed>) = 0 [pid 4343] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4343] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4343] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4343] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4344] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4344] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4344] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4342] <... futex resumed>) = 0 [pid 4344] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4342] exit_group(0 [pid 4343] <... futex resumed>) = ? [pid 4342] <... exit_group resumed>) = ? [pid 4344] <... futex resumed>) = ? [pid 4343] +++ exited with 0 +++ [pid 4344] +++ exited with 0 +++ [pid 4342] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4342, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4345 ./strace-static-x86_64: Process 4345 attached [pid 4345] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4345] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4345] setpgid(0, 0) = 0 [pid 4345] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4345] write(3, "1000", 4) = 4 [pid 4345] close(3executing program ) = 0 [pid 4345] write(1, "executing program\n", 18) = 18 [pid 4345] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4345] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4345] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4345] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4345] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4345] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4345] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4346 attached [pid 4346] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4346] rt_sigprocmask(SIG_SETMASK, [], [pid 4345] <... clone3 resumed> => {parent_tid=[4346]}, 88) = 4346 [pid 4346] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4346] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4345] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4345] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4346] <... futex resumed>) = 0 [pid 4345] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4346] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4346] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4346] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4345] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4345] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4346] <... futex resumed>) = 0 [pid 4346] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4346] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4346] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4346] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4346] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4346] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4346] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4346] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4346] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4346] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4345] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4346] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4346] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4346] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4346] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4345] <... futex resumed>) = 0 [pid 4346] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4345] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4346] <... sendmsg resumed>) = 0 [pid 4346] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4345] <... mmap resumed>) = 0x7f857e3c2000 [pid 4345] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 4346] <... sendmsg resumed>) = 0 [pid 4345] <... mprotect resumed>) = 0 [pid 4346] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4345] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4345] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4346] <... sendmsg resumed>) = 0 [pid 4346] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4346] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4346] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4345] <... clone3 resumed> => {parent_tid=[4347]}, 88) = 4347 [pid 4345] rt_sigprocmask(SIG_SETMASK, [], [pid 4346] <... sendmsg resumed>) = 0 [pid 4345] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4346] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4345] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 4346] <... sendmsg resumed>) = 0 [pid 4346] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4345] <... futex resumed>) = 0 [pid 4346] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4345] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4346] <... sendmsg resumed>) = 0 [pid 4346] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4346] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4346] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4346] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4346] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4346] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4346] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4346] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4346] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4346] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4346] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4346] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 4347 attached [pid 4347] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4347] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4347] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4347] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4345] <... futex resumed>) = 0 [pid 4345] exit_group(0) = ? [pid 4346] <... futex resumed>) = ? [pid 4346] +++ exited with 0 +++ [pid 4347] +++ exited with 0 +++ [pid 4345] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4345, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4348 ./strace-static-x86_64: Process 4348 attached [pid 4348] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4348] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4348] setpgid(0, 0) = 0 [pid 4348] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4348] write(3, "1000", 4) = 4 executing program [pid 4348] close(3) = 0 [pid 4348] write(1, "executing program\n", 18) = 18 [pid 4348] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4348] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4348] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4348] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4348] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4348] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4348] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4349 attached => {parent_tid=[4349]}, 88) = 4349 [pid 4348] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4348] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4348] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4349] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4349] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4349] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4349] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4348] <... futex resumed>) = 0 [pid 4348] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4348] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4348] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4348] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4348] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4348] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[4350]}, 88) = 4350 [pid 4348] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4348] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4348] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4350 attached [pid 4350] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4350] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4350] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4350] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4348] <... futex resumed>) = 0 [pid 4350] <... futex resumed>) = 1 [pid 4350] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4349] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4349] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4349] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4349] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4349] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4349] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4349] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4349] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4349] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4349] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4349] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4349] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4349] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4349] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4349] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4349] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4349] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4349] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4349] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4349] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4349] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4349] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4349] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4349] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4349] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4349] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4349] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4349] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4349] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4349] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4349] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4349] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4349] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4349] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4349] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4348] exit_group(0) = ? [pid 4350] <... futex resumed>) = ? [pid 4349] <... futex resumed>) = ? [pid 4350] +++ exited with 0 +++ [pid 4349] +++ exited with 0 +++ [pid 4348] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4348, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4351 ./strace-static-x86_64: Process 4351 attached [pid 4351] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4351] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4351] setpgid(0, 0) = 0 [pid 4351] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4351] write(3, "1000", 4) = 4 [pid 4351] close(3executing program ) = 0 [pid 4351] write(1, "executing program\n", 18) = 18 [pid 4351] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4351] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4351] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4351] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4351] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4351] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4351] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4352 attached => {parent_tid=[4352]}, 88) = 4352 [pid 4352] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4352] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4352] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4351] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4351] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 4352] <... futex resumed>) = 0 [pid 4351] <... futex resumed>) = 1 [pid 4352] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4351] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4352] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4352] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4351] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4351] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 4352] <... futex resumed>) = 0 [pid 4351] <... futex resumed>) = 1 [pid 4352] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4351] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4352] <... sendmsg resumed>) = 0 [pid 4352] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4352] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4352] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4352] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4351] <... futex resumed>) = 0 [pid 4352] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4352] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4352] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4351] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4352] <... sendmsg resumed>) = 0 [pid 4352] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4352] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4352] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4352] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4351] <... mmap resumed>) = 0x7f857e3c2000 [pid 4352] <... sendmsg resumed>) = 0 [pid 4351] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 4352] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4352] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4352] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4352] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4352] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4352] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4352] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4352] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4352] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4352] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4352] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4352] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4352] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4352] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4352] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4351] <... mprotect resumed>) = 0 [pid 4352] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4351] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4352] <... sendmsg resumed>) = 0 [pid 4352] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4352] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4351] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4352] <... sendmsg resumed>) = 0 [pid 4352] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4352] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4351] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4352] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4352] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4352] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 4353 attached [pid 4351] <... clone3 resumed> => {parent_tid=[4353]}, 88) = 4353 [pid 4353] set_robust_list(0x7f857e3e29a0, 24 [pid 4351] rt_sigprocmask(SIG_SETMASK, [], [pid 4353] <... set_robust_list resumed>) = 0 [pid 4351] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4353] rt_sigprocmask(SIG_SETMASK, [], [pid 4351] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 4353] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4351] <... futex resumed>) = 0 [pid 4353] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 4351] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4353] <... setsockopt resumed>) = 0 [pid 4353] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4351] <... futex resumed>) = 0 [pid 4353] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4351] exit_group(0 [pid 4352] <... futex resumed>) = ? [pid 4351] <... exit_group resumed>) = ? [pid 4352] +++ exited with 0 +++ [pid 4353] <... futex resumed>) = ? [pid 4353] +++ exited with 0 +++ [pid 4351] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4351, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4354 ./strace-static-x86_64: Process 4354 attached [pid 4354] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4354] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4354] setpgid(0, 0) = 0 [pid 4354] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4354] write(3, "1000", 4) = 4 executing program [pid 4354] close(3) = 0 [pid 4354] write(1, "executing program\n", 18) = 18 [pid 4354] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4354] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4354] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4354] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4354] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4354] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4354] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4355 attached => {parent_tid=[4355]}, 88) = 4355 [pid 4354] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4354] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4354] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4355] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4355] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4355] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4355] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4355] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4354] <... futex resumed>) = 0 [pid 4354] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4355] <... futex resumed>) = 0 [pid 4355] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4355] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4354] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4355] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4355] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4355] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4355] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4355] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4355] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4355] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4355] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4354] <... futex resumed>) = 0 [pid 4355] <... sendmsg resumed>) = 0 [pid 4355] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4355] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4355] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4355] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4354] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4355] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4355] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4355] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4355] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4355] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4355] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4355] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4355] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4354] <... mmap resumed>) = 0x7f857e3c2000 [pid 4355] <... sendmsg resumed>) = 0 [pid 4355] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4355] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4355] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4355] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4355] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4355] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4354] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 4355] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4355] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4355] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4355] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4355] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4354] <... mprotect resumed>) = 0 [pid 4355] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4354] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4355] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4354] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4354] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0}./strace-static-x86_64: Process 4357 attached [pid 4357] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4357] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4357] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4354] <... clone3 resumed> => {parent_tid=[4357]}, 88) = 4357 [pid 4354] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4354] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 4357] <... futex resumed>) = 0 [pid 4354] <... futex resumed>) = 1 [pid 4357] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 4354] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4357] <... setsockopt resumed>) = 0 [pid 4357] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4354] <... futex resumed>) = 0 [pid 4357] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4354] exit_group(0) = ? [pid 4355] <... futex resumed>) = ? [pid 4355] +++ exited with 0 +++ [pid 4357] <... futex resumed>) = ? [pid 4357] +++ exited with 0 +++ [pid 4354] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4354, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4358 ./strace-static-x86_64: Process 4358 attached [pid 4358] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4358] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4358] setpgid(0, 0) = 0 [pid 4358] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4358] write(3, "1000", 4) = 4 executing program [pid 4358] close(3) = 0 [pid 4358] write(1, "executing program\n", 18) = 18 [pid 4358] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4358] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4358] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4358] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4358] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4358] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4358] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4359 attached => {parent_tid=[4359]}, 88) = 4359 [pid 4358] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4358] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4358] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4359] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4359] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4359] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4359] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4358] <... futex resumed>) = 0 [pid 4358] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4358] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4358] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4358] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4358] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4358] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0}./strace-static-x86_64: Process 4360 attached [pid 4359] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4359] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4359] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4358] <... clone3 resumed> => {parent_tid=[4360]}, 88) = 4360 [pid 4358] rt_sigprocmask(SIG_SETMASK, [], [pid 4359] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4358] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4360] set_robust_list(0x7f857e3e29a0, 24 [pid 4359] <... sendmsg resumed>) = 0 [pid 4358] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4358] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4359] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4359] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4359] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4359] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4359] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4359] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4359] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4359] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4360] <... set_robust_list resumed>) = 0 [pid 4359] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4359] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4359] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4359] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4359] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4359] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4359] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4359] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4359] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4359] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4359] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4359] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4359] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4359] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4359] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4359] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4359] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4359] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4359] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4359] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4360] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4360] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 4359] <... sendmsg resumed>) = 0 [pid 4359] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4360] <... setsockopt resumed>) = 0 [pid 4359] <... sendmsg resumed>) = 0 [pid 4360] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4358] <... futex resumed>) = 0 [pid 4360] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4359] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4359] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4358] exit_group(0) = ? [pid 4360] <... futex resumed>) = ? [pid 4359] <... futex resumed>) = ? [pid 4359] +++ exited with 0 +++ [pid 4360] +++ exited with 0 +++ [pid 4358] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4358, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4361 ./strace-static-x86_64: Process 4361 attached [pid 4361] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4361] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4361] setpgid(0, 0) = 0 [pid 4361] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4361] write(3, "1000", 4) = 4 executing program [pid 4361] close(3) = 0 [pid 4361] write(1, "executing program\n", 18) = 18 [pid 4361] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4361] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4361] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4361] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4361] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4361] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4361] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[4362]}, 88) = 4362 [pid 4361] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4361] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4361] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4362 attached [pid 4362] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4362] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4362] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4362] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4361] <... futex resumed>) = 0 [pid 4361] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4361] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4361] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4361] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4361] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4361] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4362] <... sendmsg resumed>) = 0 [pid 4362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4361] <... clone3 resumed> => {parent_tid=[4363]}, 88) = 4363 [pid 4362] <... sendmsg resumed>) = 0 ./strace-static-x86_64: Process 4363 attached [pid 4361] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4361] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4361] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4362] <... sendmsg resumed>) = 0 [pid 4362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4362] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4362] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4363] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4363] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4363] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4363] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4361] <... futex resumed>) = 0 [pid 4361] exit_group(0) = ? [pid 4362] <... futex resumed>) = ? [pid 4362] +++ exited with 0 +++ [pid 4363] +++ exited with 0 +++ [pid 4361] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4361, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4364 ./strace-static-x86_64: Process 4364 attached [pid 4364] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4364] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4364] setpgid(0, 0) = 0 [pid 4364] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4364] write(3, "1000", 4) = 4 executing program [pid 4364] close(3) = 0 [pid 4364] write(1, "executing program\n", 18) = 18 [pid 4364] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4364] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4364] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4364] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4364] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4364] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4364] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[4365]}, 88) = 4365 ./strace-static-x86_64: Process 4365 attached [pid 4364] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4364] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4364] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4365] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4365] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4365] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4365] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4365] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4364] <... futex resumed>) = 0 [pid 4364] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4364] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4364] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4364] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4364] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4364] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0}./strace-static-x86_64: Process 4366 attached [pid 4365] <... futex resumed>) = 0 [pid 4365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4364] <... clone3 resumed> => {parent_tid=[4366]}, 88) = 4366 [pid 4364] rt_sigprocmask(SIG_SETMASK, [], [pid 4365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4364] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4364] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 4365] <... sendmsg resumed>) = 0 [pid 4364] <... futex resumed>) = 0 [pid 4364] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4366] set_robust_list(0x7f857e3e29a0, 24 [pid 4365] <... sendmsg resumed>) = 0 [pid 4366] <... set_robust_list resumed>) = 0 [pid 4365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4366] rt_sigprocmask(SIG_SETMASK, [], [pid 4365] <... sendmsg resumed>) = 0 [pid 4366] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4366] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 4365] <... sendmsg resumed>) = 0 [pid 4366] <... setsockopt resumed>) = 0 [pid 4365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4366] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4365] <... sendmsg resumed>) = 0 [pid 4366] <... futex resumed>) = 1 [pid 4365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4364] <... futex resumed>) = 0 [pid 4366] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4365] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 4365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4365] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4365] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4364] exit_group(0) = ? [pid 4366] <... futex resumed>) = ? [pid 4365] <... futex resumed>) = ? [pid 4366] +++ exited with 0 +++ [pid 4365] +++ exited with 0 +++ [pid 4364] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4364, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4367 ./strace-static-x86_64: Process 4367 attached [pid 4367] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4367] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4367] setpgid(0, 0) = 0 [pid 4367] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4367] write(3, "1000", 4) = 4 [pid 4367] close(3executing program ) = 0 [pid 4367] write(1, "executing program\n", 18) = 18 [pid 4367] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4367] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4367] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4367] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4367] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4367] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4367] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4368 attached => {parent_tid=[4368]}, 88) = 4368 [pid 4367] rt_sigprocmask(SIG_SETMASK, [], [pid 4368] set_robust_list(0x7f857e4039a0, 24 [pid 4367] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4368] <... set_robust_list resumed>) = 0 [pid 4367] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 4368] rt_sigprocmask(SIG_SETMASK, [], [pid 4367] <... futex resumed>) = 0 [pid 4367] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4368] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4368] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4368] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4367] <... futex resumed>) = 0 [pid 4367] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4367] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4367] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4367] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4367] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4367] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4367] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[4369]}, 88) = 4369 [pid 4368] <... sendmsg resumed>) = 0 [pid 4367] rt_sigprocmask(SIG_SETMASK, [], [pid 4368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4367] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4367] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4367] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4369 attached [pid 4369] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4368] <... sendmsg resumed>) = 0 [pid 4369] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4369] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 4368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4369] <... setsockopt resumed>) = 0 [pid 4369] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4367] <... futex resumed>) = 0 [pid 4368] <... sendmsg resumed>) = 0 [pid 4368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4369] <... futex resumed>) = 1 [pid 4369] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4368] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 4368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4368] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4368] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4367] exit_group(0) = ? [pid 4368] <... futex resumed>) = ? [pid 4368] +++ exited with 0 +++ [pid 4369] <... futex resumed>) = ? [pid 4369] +++ exited with 0 +++ [pid 4367] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4367, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4370 ./strace-static-x86_64: Process 4370 attached [pid 4370] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4370] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4370] setpgid(0, 0) = 0 [pid 4370] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4370] write(3, "1000", 4) = 4 [pid 4370] close(3) = 0 [pid 4370] write(1, "executing program\n", 18executing program ) = 18 [pid 4370] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4370] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4370] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4370] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4370] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4370] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4370] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4371 attached [pid 4371] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4371] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4371] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4370] <... clone3 resumed> => {parent_tid=[4371]}, 88) = 4371 [pid 4370] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4370] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4371] <... futex resumed>) = 0 [pid 4371] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4370] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4371] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4371] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4370] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4370] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 4371] <... futex resumed>) = 0 [pid 4370] <... futex resumed>) = 1 [pid 4371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4370] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4370] <... futex resumed>) = 0 [pid 4371] <... sendmsg resumed>) = 0 [pid 4370] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4370] <... mmap resumed>) = 0x7f857e3c2000 [pid 4370] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 4371] <... sendmsg resumed>) = 0 [pid 4370] <... mprotect resumed>) = 0 [pid 4371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4370] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4370] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4371] <... sendmsg resumed>) = 0 [pid 4371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4370] <... clone3 resumed> => {parent_tid=[4372]}, 88) = 4372 [pid 4370] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4371] <... sendmsg resumed>) = 0 [pid 4371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4370] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 4371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4370] <... futex resumed>) = 0 [pid 4370] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4371] <... sendmsg resumed>) = 0 [pid 4371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 ./strace-static-x86_64: Process 4372 attached [pid 4371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4372] set_robust_list(0x7f857e3e29a0, 24 [pid 4371] <... sendmsg resumed>) = 0 [pid 4371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4372] <... set_robust_list resumed>) = 0 [pid 4371] <... sendmsg resumed>) = 0 [pid 4371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4372] rt_sigprocmask(SIG_SETMASK, [], [pid 4371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4371] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4371] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4372] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4372] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4372] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4370] <... futex resumed>) = 0 [pid 4370] exit_group(0) = ? [pid 4371] <... futex resumed>) = ? [pid 4372] +++ exited with 0 +++ [pid 4371] +++ exited with 0 +++ [pid 4370] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4370, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4373 attached , child_tidptr=0x55555bbac690) = 4373 [pid 4373] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4373] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4373] setpgid(0, 0) = 0 [pid 4373] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4373] write(3, "1000", 4) = 4 [pid 4373] close(3) = 0 [pid 4373] write(1, "executing program\n", 18executing program ) = 18 [pid 4373] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4373] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4373] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4373] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4373] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4373] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4373] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4374 attached => {parent_tid=[4374]}, 88) = 4374 [pid 4374] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4374] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4374] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4373] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4373] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4374] <... futex resumed>) = 0 [pid 4374] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 4373] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4374] <... socketpair resumed>[3, 4]) = 0 [pid 4374] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4374] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4373] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4373] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4374] <... futex resumed>) = 0 [pid 4374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4373] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4374] <... sendmsg resumed>) = 0 [pid 4374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4373] <... futex resumed>) = 0 [pid 4374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4373] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4374] <... sendmsg resumed>) = 0 [pid 4374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4373] <... mmap resumed>) = 0x7f857e3c2000 [pid 4373] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4373] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4373] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4374] <... sendmsg resumed>) = 0 ./strace-static-x86_64: Process 4375 attached [pid 4374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4373] <... clone3 resumed> => {parent_tid=[4375]}, 88) = 4375 [pid 4375] set_robust_list(0x7f857e3e29a0, 24 [pid 4374] <... sendmsg resumed>) = 0 [pid 4373] rt_sigprocmask(SIG_SETMASK, [], [pid 4375] <... set_robust_list resumed>) = 0 [pid 4373] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4373] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 4375] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4375] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4375] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4373] <... futex resumed>) = 0 [pid 4375] <... futex resumed>) = 0 [pid 4373] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4374] <... sendmsg resumed>) = 0 [pid 4373] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4375] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4374] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4374] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4373] exit_group(0) = ? [pid 4375] <... futex resumed>) = 231 [pid 4374] <... futex resumed>) = ? [pid 4374] +++ exited with 0 +++ [pid 4375] +++ exited with 0 +++ [pid 4373] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4373, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4376 ./strace-static-x86_64: Process 4376 attached [pid 4376] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4376] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4376] setpgid(0, 0) = 0 [pid 4376] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4376] write(3, "1000", 4executing program ) = 4 [pid 4376] close(3) = 0 [pid 4376] write(1, "executing program\n", 18) = 18 [pid 4376] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4376] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4376] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4376] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4376] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4376] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4376] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4377 attached => {parent_tid=[4377]}, 88) = 4377 [pid 4377] set_robust_list(0x7f857e4039a0, 24 [pid 4376] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4377] <... set_robust_list resumed>) = 0 [pid 4376] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 4377] rt_sigprocmask(SIG_SETMASK, [], [pid 4376] <... futex resumed>) = 0 [pid 4377] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4377] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 4376] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4377] <... socketpair resumed>[3, 4]) = 0 [pid 4377] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4376] <... futex resumed>) = 0 [pid 4376] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4376] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4376] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4376] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4376] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4376] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4376] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[4378]}, 88) = 4378 [pid 4377] <... sendmsg resumed>) = 0 [pid 4376] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4376] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4376] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4378 attached [pid 4378] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4378] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4378] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4378] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4376] <... futex resumed>) = 0 [pid 4378] <... futex resumed>) = 1 [pid 4378] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4377] <... sendmsg resumed>) = 0 [pid 4377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4377] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4377] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4376] exit_group(0) = ? [pid 4377] <... futex resumed>) = ? [pid 4377] +++ exited with 0 +++ [pid 4378] <... futex resumed>) = ? [pid 4378] +++ exited with 0 +++ [pid 4376] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4376, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4379 ./strace-static-x86_64: Process 4379 attached [pid 4379] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4379] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4379] setpgid(0, 0) = 0 [pid 4379] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4379] write(3, "1000", 4) = 4 [pid 4379] close(3) = 0 [pid 4379] write(1, "executing program\n", 18executing program ) = 18 [pid 4379] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4379] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4379] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4379] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4379] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4379] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4379] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4380 attached [pid 4380] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4380] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4380] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4379] <... clone3 resumed> => {parent_tid=[4380]}, 88) = 4380 [pid 4379] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4379] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4380] <... futex resumed>) = 0 [pid 4380] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4379] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4380] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4380] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4379] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4379] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4380] <... futex resumed>) = 0 [pid 4380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4379] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4379] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4380] <... sendmsg resumed>) = 0 [pid 4379] <... mmap resumed>) = 0x7f857e3c2000 [pid 4380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4379] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 4380] <... sendmsg resumed>) = 0 [pid 4379] <... mprotect resumed>) = 0 [pid 4380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4379] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4380] <... sendmsg resumed>) = 0 [pid 4379] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4379] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4380] <... sendmsg resumed>) = 0 [pid 4380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4379] <... clone3 resumed> => {parent_tid=[4381]}, 88) = 4381 [pid 4379] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4380] <... sendmsg resumed>) = 0 [pid 4379] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 4380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4379] <... futex resumed>) = 0 [pid 4379] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4380] <... sendmsg resumed>) = 0 [pid 4380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0./strace-static-x86_64: Process 4381 attached ) = 0 [pid 4381] set_robust_list(0x7f857e3e29a0, 24 [pid 4380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4381] <... set_robust_list resumed>) = 0 [pid 4380] <... sendmsg resumed>) = 0 [pid 4380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4381] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4381] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4381] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4379] <... futex resumed>) = 0 [pid 4381] <... futex resumed>) = 1 [pid 4380] <... sendmsg resumed>) = 0 [pid 4381] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4380] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4380] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4379] exit_group(0 [pid 4381] <... futex resumed>) = ? [pid 4380] <... futex resumed>) = ? [pid 4379] <... exit_group resumed>) = ? [pid 4381] +++ exited with 0 +++ [pid 4380] +++ exited with 0 +++ [pid 4379] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4379, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4382 ./strace-static-x86_64: Process 4382 attached [pid 4382] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4382] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4382] setpgid(0, 0) = 0 [pid 4382] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4382] write(3, "1000", 4) = 4 [pid 4382] close(3) = 0 [pid 4382] write(1, "executing program\n", 18executing program ) = 18 [pid 4382] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4382] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4382] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4382] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4382] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4382] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4382] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[4383]}, 88) = 4383 [pid 4382] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4382] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4382] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4383 attached [pid 4383] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4383] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4383] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4383] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4382] <... futex resumed>) = 0 [pid 4382] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4382] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4382] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4382] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4382] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4382] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[4384]}, 88) = 4384 [pid 4383] <... futex resumed>) = 1 [pid 4382] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4382] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4382] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4384 attached [pid 4384] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4384] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4384] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4384] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4382] <... futex resumed>) = 0 [pid 4384] <... futex resumed>) = 1 [pid 4383] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4384] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4383] <... sendmsg resumed>) = 0 [pid 4383] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4383] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4383] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4383] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4383] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4383] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4383] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4383] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4383] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4383] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4383] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4383] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4383] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4383] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4383] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4383] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4383] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4383] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4383] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4383] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4383] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4383] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4383] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4383] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4383] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4383] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4383] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4383] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4383] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4383] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4383] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4383] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4383] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4383] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4382] exit_group(0) = ? [pid 4384] <... futex resumed>) = ? [pid 4383] <... futex resumed>) = ? [pid 4384] +++ exited with 0 +++ [pid 4383] +++ exited with 0 +++ [pid 4382] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4382, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4385 attached , child_tidptr=0x55555bbac690) = 4385 [pid 4385] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4385] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4385] setpgid(0, 0) = 0 [pid 4385] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4385] write(3, "1000", 4) = 4 [pid 4385] close(3) = 0 [pid 4385] write(1, "executing program\n", 18executing program ) = 18 [pid 4385] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4385] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4385] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4385] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4385] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4385] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4385] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4386 attached => {parent_tid=[4386]}, 88) = 4386 [pid 4386] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4386] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4386] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4385] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4385] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4386] <... futex resumed>) = 0 [pid 4386] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 4385] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4386] <... socketpair resumed>[3, 4]) = 0 [pid 4386] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4386] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4385] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4385] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4386] <... futex resumed>) = 0 [pid 4386] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4386] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4386] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4386] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4386] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4386] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4386] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4386] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4386] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4386] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4386] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4386] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4386] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4386] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4386] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4386] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4386] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4386] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4386] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4386] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4386] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4385] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4386] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4386] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4386] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4385] <... futex resumed>) = 0 [pid 4386] <... sendmsg resumed>) = 0 [pid 4385] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4386] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4385] <... mmap resumed>) = 0x7f857e3c2000 [pid 4386] <... sendmsg resumed>) = 0 [pid 4385] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 4386] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4385] <... mprotect resumed>) = 0 [pid 4386] <... sendmsg resumed>) = 0 [pid 4385] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4386] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4385] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4386] <... sendmsg resumed>) = 0 [pid 4385] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4386] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0./strace-static-x86_64: Process 4387 attached [pid 4387] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4387] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4387] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4386] <... sendmsg resumed>) = 0 [pid 4385] <... clone3 resumed> => {parent_tid=[4387]}, 88) = 4387 [pid 4386] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4385] rt_sigprocmask(SIG_SETMASK, [], [pid 4386] <... sendmsg resumed>) = 0 [pid 4385] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4386] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4385] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 4386] <... sendmsg resumed>) = 0 [pid 4386] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4385] <... futex resumed>) = 1 [pid 4387] <... futex resumed>) = 0 [pid 4386] <... sendmsg resumed>) = 0 [pid 4387] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4387] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4387] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4386] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4385] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4386] <... sendmsg resumed>) = 0 [pid 4385] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4386] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4386] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4386] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4385] exit_group(0) = ? [pid 4386] <... futex resumed>) = ? [pid 4386] +++ exited with 0 +++ [pid 4387] <... futex resumed>) = ? [pid 4387] +++ exited with 0 +++ [pid 4385] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4385, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4388 ./strace-static-x86_64: Process 4388 attached [pid 4388] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4388] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4388] setpgid(0, 0) = 0 [pid 4388] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4388] write(3, "1000", 4) = 4 [pid 4388] close(3) = 0 [pid 4388] write(1, "executing program\n", 18executing program ) = 18 [pid 4388] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4388] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4388] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4388] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4388] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4388] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4388] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4389 attached => {parent_tid=[4389]}, 88) = 4389 [pid 4389] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4389] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4389] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4388] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4388] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4389] <... futex resumed>) = 0 [pid 4389] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 4388] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4389] <... socketpair resumed>[3, 4]) = 0 [pid 4389] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4388] <... futex resumed>) = 0 [pid 4388] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4388] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4388] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4388] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4388] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4388] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4389] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4388] <... clone3 resumed> => {parent_tid=[4390]}, 88) = 4390 [pid 4388] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4388] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4388] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4390 attached [pid 4390] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4390] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4390] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4390] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4388] <... futex resumed>) = 0 [pid 4390] <... futex resumed>) = 1 [pid 4390] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4389] <... sendmsg resumed>) = 0 [pid 4389] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4389] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4389] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4389] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4389] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4389] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4389] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4389] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4389] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4389] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4389] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4389] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4389] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4389] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4389] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4389] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4389] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4389] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4389] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4389] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4389] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4389] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4389] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4389] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4389] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4389] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4389] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4389] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4389] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4389] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4389] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4389] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4389] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4389] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4388] exit_group(0 [pid 4389] <... futex resumed>) = ? [pid 4388] <... exit_group resumed>) = ? [pid 4389] +++ exited with 0 +++ [pid 4390] <... futex resumed>) = ? [pid 4390] +++ exited with 0 +++ [pid 4388] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4388, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4391 ./strace-static-x86_64: Process 4391 attached [pid 4391] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4391] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4391] setpgid(0, 0) = 0 [pid 4391] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4391] write(3, "1000", 4) = 4 [pid 4391] close(3) = 0 executing program [pid 4391] write(1, "executing program\n", 18) = 18 [pid 4391] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4391] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4391] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4391] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4391] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4391] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4391] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[4392]}, 88) = 4392 ./strace-static-x86_64: Process 4392 attached [pid 4391] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4391] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4391] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4392] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4392] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4392] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4392] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4391] <... futex resumed>) = 0 [pid 4391] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4391] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4391] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4391] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4391] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4391] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[4393]}, 88) = 4393 [pid 4392] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4391] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4391] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4391] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4393 attached [pid 4393] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4393] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4393] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4393] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4391] <... futex resumed>) = 0 [pid 4393] <... futex resumed>) = 1 [pid 4393] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4392] <... sendmsg resumed>) = 0 [pid 4392] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4392] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4392] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4392] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4392] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4392] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4392] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4392] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4392] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4392] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4392] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4392] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4392] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4392] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4392] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4392] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4392] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4392] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4392] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4392] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4392] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4392] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4392] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4392] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4392] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4392] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4392] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4392] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4392] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4392] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4392] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4392] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4392] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4392] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4391] exit_group(0 [pid 4392] <... futex resumed>) = ? [pid 4391] <... exit_group resumed>) = ? [pid 4393] <... futex resumed>) = ? [pid 4392] +++ exited with 0 +++ [pid 4393] +++ exited with 0 +++ [pid 4391] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4391, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4394 ./strace-static-x86_64: Process 4394 attached [pid 4394] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4394] prctl(PR_SET_PDEATHSIG, SIGKILLexecuting program ) = 0 [pid 4394] setpgid(0, 0) = 0 [pid 4394] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4394] write(3, "1000", 4) = 4 [pid 4394] close(3) = 0 [pid 4394] write(1, "executing program\n", 18) = 18 [pid 4394] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4394] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4394] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4394] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4394] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4394] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4394] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[4395]}, 88) = 4395 ./strace-static-x86_64: Process 4395 attached [pid 4394] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4394] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4394] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4395] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4395] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4395] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4395] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4395] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4394] <... futex resumed>) = 0 [pid 4394] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 4395] <... futex resumed>) = 0 [pid 4394] <... futex resumed>) = 1 [pid 4395] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4395] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4395] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4395] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4395] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4394] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4395] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4395] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4395] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4395] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4395] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4395] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4395] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4395] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4394] <... futex resumed>) = 0 [pid 4395] <... sendmsg resumed>) = 0 [pid 4395] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4395] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4395] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4395] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4395] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4394] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4395] <... sendmsg resumed>) = 0 [pid 4395] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4395] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4395] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4395] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4394] <... mmap resumed>) = 0x7f857e3c2000 [pid 4395] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4395] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4395] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4394] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 4395] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4395] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4395] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4395] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4395] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4395] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4394] <... mprotect resumed>) = 0 [pid 4395] <... sendmsg resumed>) = 0 [pid 4394] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4395] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4395] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4395] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4395] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4394] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4394] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[4396]}, 88) = 4396 [pid 4394] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4394] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4394] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4396 attached [pid 4396] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4396] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4396] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4396] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4394] <... futex resumed>) = 0 [pid 4394] exit_group(0 [pid 4395] <... futex resumed>) = ? [pid 4394] <... exit_group resumed>) = ? [pid 4396] <... futex resumed>) = ? [pid 4395] +++ exited with 0 +++ [pid 4396] +++ exited with 0 +++ [pid 4394] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4394, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4397 ./strace-static-x86_64: Process 4397 attached [pid 4397] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4397] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4397] setpgid(0, 0) = 0 [pid 4397] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4397] write(3, "1000", 4) = 4 [pid 4397] close(3) = 0 [pid 4397] write(1, "executing program\n", 18executing program ) = 18 [pid 4397] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4397] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4397] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4397] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4397] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4397] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4397] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[4398]}, 88) = 4398 [pid 4397] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4397] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4397] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4398 attached [pid 4398] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4398] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4398] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4398] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4397] <... futex resumed>) = 0 [pid 4397] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4397] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4397] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4397] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4397] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4397] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0}./strace-static-x86_64: Process 4399 attached => {parent_tid=[4399]}, 88) = 4399 [pid 4397] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4397] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4397] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4398] <... futex resumed>) = 1 [pid 4398] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4398] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4398] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4398] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4398] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4398] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4398] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4398] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4398] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4398] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4398] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4398] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4399] set_robust_list(0x7f857e3e29a0, 24 [pid 4398] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4399] <... set_robust_list resumed>) = 0 [pid 4398] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4398] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4398] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4399] rt_sigprocmask(SIG_SETMASK, [], [pid 4398] <... sendmsg resumed>) = 0 [pid 4398] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4398] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4398] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4398] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4398] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4398] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4398] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4398] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4398] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4398] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4398] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4398] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4398] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4398] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4398] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4398] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4398] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4398] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4398] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4399] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4399] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4399] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4397] <... futex resumed>) = 0 [pid 4397] exit_group(0) = ? [pid 4398] <... futex resumed>) = ? [pid 4398] +++ exited with 0 +++ [pid 4399] <... futex resumed>) = ? [pid 4399] +++ exited with 0 +++ [pid 4397] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4397, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4400 attached [pid 4400] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 524] <... clone resumed>, child_tidptr=0x55555bbac690) = 4400 [pid 4400] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4400] setpgid(0, 0) = 0 [pid 4400] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4400] write(3, "1000", 4) = 4 [pid 4400] close(3) = 0 [pid 4400] write(1, "executing program\n", 18executing program ) = 18 [pid 4400] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4400] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4400] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4400] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4400] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4400] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4400] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4401 attached => {parent_tid=[4401]}, 88) = 4401 [pid 4401] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4401] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4401] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4400] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4400] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4401] <... futex resumed>) = 0 [pid 4401] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4400] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4401] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4400] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4401] <... futex resumed>) = 0 [pid 4401] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4400] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4401] <... futex resumed>) = 0 [pid 4401] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4401] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4401] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4401] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4401] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4400] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4401] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4401] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4401] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4401] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4401] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4401] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4401] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4401] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4401] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4401] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4401] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4400] <... futex resumed>) = 0 [pid 4401] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4401] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4401] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4401] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4401] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4401] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4401] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4400] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4401] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4400] <... mmap resumed>) = 0x7f857e3c2000 [pid 4401] <... sendmsg resumed>) = 0 [pid 4401] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4401] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4401] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4401] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4401] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4401] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4401] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4400] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 4401] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4401] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4401] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4401] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4400] <... mprotect resumed>) = 0 [pid 4400] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4400] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0}./strace-static-x86_64: Process 4402 attached [pid 4402] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4402] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4402] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4400] <... clone3 resumed> => {parent_tid=[4402]}, 88) = 4402 [pid 4400] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4400] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4402] <... futex resumed>) = 0 [pid 4402] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4402] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4402] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4400] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 4400] exit_group(0) = ? [pid 4401] <... futex resumed>) = ? [pid 4401] +++ exited with 0 +++ [pid 4402] <... futex resumed>) = ? [pid 4402] +++ exited with 0 +++ [pid 4400] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4400, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4403 ./strace-static-x86_64: Process 4403 attached [pid 4403] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4403] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4403] setpgid(0, 0) = 0 [pid 4403] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4403] write(3, "1000", 4) = 4 [pid 4403] close(3) = 0 [pid 4403] write(1, "executing program\n", 18executing program ) = 18 [pid 4403] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4403] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4403] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4403] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4403] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4403] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4403] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4404 attached => {parent_tid=[4404]}, 88) = 4404 [pid 4404] set_robust_list(0x7f857e4039a0, 24 [pid 4403] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4403] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4403] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4404] <... set_robust_list resumed>) = 0 [pid 4404] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4404] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4404] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4403] <... futex resumed>) = 0 [pid 4404] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4403] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4403] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4403] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4403] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4403] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4404] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4403] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4403] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0}./strace-static-x86_64: Process 4405 attached [pid 4404] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4403] <... clone3 resumed> => {parent_tid=[4405]}, 88) = 4405 [pid 4403] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4403] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4403] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4405] set_robust_list(0x7f857e3e29a0, 24 [pid 4404] <... sendmsg resumed>) = 0 [pid 4405] <... set_robust_list resumed>) = 0 [pid 4404] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4405] rt_sigprocmask(SIG_SETMASK, [], [pid 4404] <... sendmsg resumed>) = 0 [pid 4405] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4404] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4405] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 4404] <... sendmsg resumed>) = 0 [pid 4405] <... setsockopt resumed>) = 0 [pid 4404] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4405] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4404] <... sendmsg resumed>) = 0 [pid 4404] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4404] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4404] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4404] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4404] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4404] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4404] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4404] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4404] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4404] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4404] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4404] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4404] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4404] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4404] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4404] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4404] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4404] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4404] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4404] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4404] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4404] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4404] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4404] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4404] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4404] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4404] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4404] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4404] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4404] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4404] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4405] <... futex resumed>) = 1 [pid 4403] <... futex resumed>) = 0 [pid 4405] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4403] exit_group(0 [pid 4404] <... futex resumed>) = ? [pid 4403] <... exit_group resumed>) = ? [pid 4404] +++ exited with 0 +++ [pid 4405] <... futex resumed>) = ? [pid 4405] +++ exited with 0 +++ [pid 4403] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4403, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4406 ./strace-static-x86_64: Process 4406 attached [pid 4406] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4406] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4406] setpgid(0, 0) = 0 [pid 4406] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4406] write(3, "1000", 4) = 4 [pid 4406] close(3) = 0 [pid 4406] write(1, "executing program\n", 18executing program ) = 18 [pid 4406] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4406] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4406] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4406] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4406] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4406] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4406] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4407 attached => {parent_tid=[4407]}, 88) = 4407 [pid 4407] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4407] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4407] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4406] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4406] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4407] <... futex resumed>) = 0 [pid 4407] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 4406] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4407] <... socketpair resumed>[3, 4]) = 0 [pid 4407] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4407] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4406] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4406] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4407] <... futex resumed>) = 0 [pid 4407] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4406] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4407] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4406] <... futex resumed>) = 0 [pid 4407] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4407] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4407] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4406] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4407] <... sendmsg resumed>) = 0 [pid 4407] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4407] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4406] <... mmap resumed>) = 0x7f857e3c2000 [pid 4407] <... sendmsg resumed>) = 0 [pid 4407] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4407] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4406] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 4407] <... sendmsg resumed>) = 0 [pid 4407] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4407] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4407] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4407] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4407] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4406] <... mprotect resumed>) = 0 [pid 4407] <... sendmsg resumed>) = 0 [pid 4407] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4407] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4406] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4407] <... sendmsg resumed>) = 0 [pid 4407] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4407] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4407] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4407] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4407] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4407] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4407] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4406] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4407] <... sendmsg resumed>) = 0 [pid 4407] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4407] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4407] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4407] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4407] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4407] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4407] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4407] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4406] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4407] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4407] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4406] <... clone3 resumed> => {parent_tid=[4408]}, 88) = 4408 [pid 4406] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4407] <... sendmsg resumed>) = 0 [pid 4406] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 4407] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4406] <... futex resumed>) = 0 [pid 4407] <... futex resumed>) = 0 [pid 4406] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4407] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 4408 attached [pid 4408] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4408] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4408] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4408] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4406] <... futex resumed>) = 0 [pid 4406] exit_group(0) = ? [pid 4407] <... futex resumed>) = ? [pid 4407] +++ exited with 0 +++ [pid 4408] +++ exited with 0 +++ [pid 4406] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4406, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4409 ./strace-static-x86_64: Process 4409 attached [pid 4409] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4409] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4409] setpgid(0, 0) = 0 [pid 4409] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4409] write(3, "1000", 4) = 4 [pid 4409] close(3) = 0 [pid 4409] write(1, "executing program\n", 18executing program ) = 18 [pid 4409] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4409] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4409] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4409] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4409] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4409] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4409] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4410 attached => {parent_tid=[4410]}, 88) = 4410 [pid 4410] set_robust_list(0x7f857e4039a0, 24 [pid 4409] rt_sigprocmask(SIG_SETMASK, [], [pid 4410] <... set_robust_list resumed>) = 0 [pid 4409] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4410] rt_sigprocmask(SIG_SETMASK, [], [pid 4409] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 4410] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4409] <... futex resumed>) = 0 [pid 4410] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 4409] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4410] <... socketpair resumed>[3, 4]) = 0 [pid 4410] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4409] <... futex resumed>) = 0 [pid 4409] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4410] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4409] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4409] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4409] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4409] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4410] <... sendmsg resumed>) = 0 [pid 4409] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4409] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[4411]}, 88) = 4411 [pid 4410] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4409] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4409] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4409] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4411 attached [pid 4411] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4411] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4411] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4411] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4409] <... futex resumed>) = 0 [pid 4411] <... futex resumed>) = 1 [pid 4410] <... sendmsg resumed>) = 0 [pid 4411] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4410] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4410] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4410] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4410] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4410] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4410] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4410] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4410] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4410] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4410] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4410] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4410] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4410] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4410] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4410] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4410] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4410] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4410] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4410] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4410] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4410] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4410] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4410] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4410] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4410] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4410] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4410] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4410] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4410] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4410] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4410] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4410] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4410] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4409] exit_group(0 [pid 4411] <... futex resumed>) = ? [pid 4410] <... futex resumed>) = ? [pid 4409] <... exit_group resumed>) = ? [pid 4410] +++ exited with 0 +++ [pid 4411] +++ exited with 0 +++ [pid 4409] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4409, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4412 attached , child_tidptr=0x55555bbac690) = 4412 [pid 4412] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4412] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4412] setpgid(0, 0) = 0 [pid 4412] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4412] write(3, "1000", 4) = 4 [pid 4412] close(3executing program ) = 0 [pid 4412] write(1, "executing program\n", 18) = 18 [pid 4412] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4412] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4412] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4412] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4412] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4412] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4412] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[4413]}, 88) = 4413 [pid 4412] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4412] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4412] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4413 attached [pid 4413] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4413] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4413] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4413] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4412] <... futex resumed>) = 0 [pid 4412] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4412] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4412] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4412] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4412] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4412] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4413] <... futex resumed>) = 1 [pid 4412] <... clone3 resumed> => {parent_tid=[4414]}, 88) = 4414 ./strace-static-x86_64: Process 4414 attached [pid 4413] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4412] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4412] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4412] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4414] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4414] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4414] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4414] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4412] <... futex resumed>) = 0 [pid 4414] <... futex resumed>) = 1 [pid 4413] <... sendmsg resumed>) = 0 [pid 4413] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4413] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4413] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4413] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4413] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4413] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4413] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4413] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4413] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4413] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4413] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4413] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4413] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4413] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4413] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4413] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4413] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4414] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4413] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 4413] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4413] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4413] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4413] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4413] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4413] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4413] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4413] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4413] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4413] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4413] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4413] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4413] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4413] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4413] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4413] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4413] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4412] exit_group(0 [pid 4413] <... futex resumed>) = ? [pid 4412] <... exit_group resumed>) = ? [pid 4413] +++ exited with 0 +++ [pid 4414] <... futex resumed>) = ? [pid 4414] +++ exited with 0 +++ [pid 4412] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4412, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4415 ./strace-static-x86_64: Process 4415 attached [pid 4415] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4415] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4415] setpgid(0, 0) = 0 [pid 4415] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4415] write(3, "1000", 4) = 4 [pid 4415] close(3) = 0 [pid 4415] write(1, "executing program\n", 18executing program ) = 18 [pid 4415] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4415] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4415] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4415] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4415] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4415] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4415] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[4416]}, 88) = 4416 ./strace-static-x86_64: Process 4416 attached [pid 4415] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4415] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4415] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4416] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4416] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4416] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4416] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4415] <... futex resumed>) = 0 [pid 4415] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4415] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4415] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4415] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4415] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4415] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4416] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4416] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4416] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4415] <... clone3 resumed> => {parent_tid=[4417]}, 88) = 4417 [pid 4415] rt_sigprocmask(SIG_SETMASK, [], [pid 4416] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4415] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4416] <... sendmsg resumed>) = 0 [pid 4415] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 4416] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4415] <... futex resumed>) = 0 [pid 4416] <... sendmsg resumed>) = 0 [pid 4415] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4416] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4416] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4416] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4416] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4416] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4416] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4416] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4416] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4416] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4416] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4416] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4416] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4416] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4416] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4416] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4416] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4416] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4416] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4416] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4416] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4416] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4416] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4416] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4416] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4416] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4416] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4416] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4416] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4416] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4416] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 4417 attached [pid 4417] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4417] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4417] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4417] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4415] <... futex resumed>) = 0 [pid 4415] exit_group(0 [pid 4416] <... futex resumed>) = ? [pid 4415] <... exit_group resumed>) = ? [pid 4416] +++ exited with 0 +++ [pid 4417] <... futex resumed>) = ? [pid 4417] +++ exited with 0 +++ [pid 4415] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4415, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4418 ./strace-static-x86_64: Process 4418 attached [pid 4418] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4418] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4418] setpgid(0, 0) = 0 [pid 4418] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4418] write(3, "1000", 4) = 4 executing program [pid 4418] close(3) = 0 [pid 4418] write(1, "executing program\n", 18) = 18 [pid 4418] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4418] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4418] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4418] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4418] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4418] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4418] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4419 attached => {parent_tid=[4419]}, 88) = 4419 [pid 4418] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4418] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4418] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4419] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4419] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4419] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4419] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4418] <... futex resumed>) = 0 [pid 4418] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4418] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4418] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4418] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4418] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4418] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4419] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4418] <... clone3 resumed> => {parent_tid=[4420]}, 88) = 4420 [pid 4418] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4418] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4418] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4420 attached [pid 4420] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4420] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4420] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4420] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4418] <... futex resumed>) = 0 [pid 4420] <... futex resumed>) = 1 [pid 4419] <... sendmsg resumed>) = 0 [pid 4420] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4419] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4419] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4419] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4419] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4419] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4419] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4419] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4419] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4419] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4419] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4419] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4419] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4419] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4419] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4419] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4419] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4419] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4419] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4419] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4419] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4419] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4419] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4419] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4419] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4419] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4419] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4419] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4419] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4419] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4419] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4419] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4419] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4419] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4419] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4418] exit_group(0 [pid 4419] <... futex resumed>) = ? [pid 4418] <... exit_group resumed>) = ? [pid 4419] +++ exited with 0 +++ [pid 4420] <... futex resumed>) = ? [pid 4420] +++ exited with 0 +++ [pid 4418] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4418, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4421 ./strace-static-x86_64: Process 4421 attached [pid 4421] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4421] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4421] setpgid(0, 0) = 0 [pid 4421] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4421] write(3, "1000", 4) = 4 [pid 4421] close(3) = 0 executing program [pid 4421] write(1, "executing program\n", 18) = 18 [pid 4421] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4421] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4421] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4421] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4421] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4421] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4421] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4422 attached => {parent_tid=[4422]}, 88) = 4422 [pid 4422] set_robust_list(0x7f857e4039a0, 24 [pid 4421] rt_sigprocmask(SIG_SETMASK, [], [pid 4422] <... set_robust_list resumed>) = 0 [pid 4421] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4422] rt_sigprocmask(SIG_SETMASK, [], [pid 4421] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 4422] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4421] <... futex resumed>) = 0 [pid 4422] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 4421] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4422] <... socketpair resumed>[3, 4]) = 0 [pid 4422] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4421] <... futex resumed>) = 0 [pid 4421] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4421] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4421] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4421] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4421] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4421] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4422] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4421] <... clone3 resumed> => {parent_tid=[4423]}, 88) = 4423 [pid 4422] <... sendmsg resumed>) = 0 [pid 4421] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4421] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4421] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4423 attached [pid 4423] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4423] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4423] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4423] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4421] <... futex resumed>) = 0 [pid 4423] <... futex resumed>) = 1 [pid 4422] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4423] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4422] <... sendmsg resumed>) = 0 [pid 4422] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4422] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4422] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4422] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4422] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4422] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4422] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4422] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4422] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4422] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4422] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4422] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4422] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4422] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4422] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4422] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4422] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4422] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4422] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4422] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4422] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4422] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4422] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4422] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4422] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4422] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4422] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4422] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4422] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4422] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4422] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4422] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4422] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4421] exit_group(0 [pid 4423] <... futex resumed>) = ? [pid 4422] <... futex resumed>) = ? [pid 4421] <... exit_group resumed>) = ? [pid 4422] +++ exited with 0 +++ [pid 4423] +++ exited with 0 +++ [pid 4421] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4421, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4424 ./strace-static-x86_64: Process 4424 attached [pid 4424] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4424] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4424] setpgid(0, 0) = 0 [pid 4424] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4424] write(3, "1000", 4) = 4 executing program [pid 4424] close(3) = 0 [pid 4424] write(1, "executing program\n", 18) = 18 [pid 4424] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4424] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4424] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4424] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4424] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4424] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4424] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4425 attached => {parent_tid=[4425]}, 88) = 4425 [pid 4425] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4425] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4425] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4424] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4424] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4425] <... futex resumed>) = 0 [pid 4425] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4424] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4425] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4425] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4424] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4424] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4425] <... futex resumed>) = 0 [pid 4425] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4424] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4425] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4424] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4425] <... sendmsg resumed>) = 0 [pid 4424] <... mmap resumed>) = 0x7f857e3c2000 [pid 4425] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4424] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 4425] <... sendmsg resumed>) = 0 [pid 4424] <... mprotect resumed>) = 0 [pid 4424] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4424] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4425] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4424] <... clone3 resumed> => {parent_tid=[4426]}, 88) = 4426 [pid 4425] <... sendmsg resumed>) = 0 [pid 4424] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4424] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4424] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4426 attached [pid 4426] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4426] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4426] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4426] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4424] <... futex resumed>) = 0 [pid 4426] <... futex resumed>) = 1 [pid 4425] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4426] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4425] <... sendmsg resumed>) = 0 [pid 4425] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4425] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4425] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4425] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4425] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4425] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4425] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4425] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4425] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4425] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4425] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4425] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4425] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4425] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4425] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4425] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4425] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4425] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4425] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4425] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4425] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4425] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4425] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4425] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4425] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4425] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4425] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4425] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4425] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4425] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4424] exit_group(0) = ? [pid 4425] <... futex resumed>) = ? [pid 4425] +++ exited with 0 +++ [pid 4426] <... futex resumed>) = ? [pid 4426] +++ exited with 0 +++ [pid 4424] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4424, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4427 ./strace-static-x86_64: Process 4427 attached [pid 4427] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4427] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4427] setpgid(0, 0) = 0 [pid 4427] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4427] write(3, "1000", 4) = 4 [pid 4427] close(3) = 0 [pid 4427] write(1, "executing program\n", 18executing program ) = 18 [pid 4427] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4427] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4427] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4427] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4427] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4427] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4427] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4428 attached => {parent_tid=[4428]}, 88) = 4428 [pid 4428] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4427] rt_sigprocmask(SIG_SETMASK, [], [pid 4428] rt_sigprocmask(SIG_SETMASK, [], [pid 4427] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4428] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4427] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 4428] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 4427] <... futex resumed>) = 0 [pid 4428] <... socketpair resumed>[3, 4]) = 0 [pid 4427] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4428] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4427] <... futex resumed>) = 0 [pid 4427] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4427] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4427] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4427] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4427] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4427] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0}./strace-static-x86_64: Process 4429 attached [pid 4428] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4427] <... clone3 resumed> => {parent_tid=[4429]}, 88) = 4429 [pid 4427] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4427] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4427] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4429] set_robust_list(0x7f857e3e29a0, 24 [pid 4428] <... sendmsg resumed>) = 0 [pid 4429] <... set_robust_list resumed>) = 0 [pid 4428] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4429] rt_sigprocmask(SIG_SETMASK, [], [pid 4428] <... sendmsg resumed>) = 0 [pid 4429] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4428] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4429] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 4428] <... sendmsg resumed>) = 0 [pid 4429] <... setsockopt resumed>) = 0 [pid 4428] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4429] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4428] <... sendmsg resumed>) = 0 [pid 4429] <... futex resumed>) = 1 [pid 4428] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4427] <... futex resumed>) = 0 [pid 4429] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4428] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 4428] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4428] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4428] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4428] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4428] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4428] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4428] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4428] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4428] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4428] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4428] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4428] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4428] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4428] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4428] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4428] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4428] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4428] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4428] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4428] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4428] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4428] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4428] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4428] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4428] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4428] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4428] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4428] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4428] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4428] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4427] exit_group(0 [pid 4429] <... futex resumed>) = ? [pid 4428] <... futex resumed>) = ? [pid 4427] <... exit_group resumed>) = ? [pid 4429] +++ exited with 0 +++ [pid 4428] +++ exited with 0 +++ [pid 4427] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4427, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4430 ./strace-static-x86_64: Process 4430 attached [pid 4430] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4430] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4430] setpgid(0, 0) = 0 [pid 4430] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4430] write(3, "1000", 4) = 4 [pid 4430] close(3) = 0 [pid 4430] write(1, "executing program\n", 18executing program ) = 18 [pid 4430] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4430] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4430] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4430] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4430] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4430] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4430] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4431 attached [pid 4431] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4431] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4431] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4430] <... clone3 resumed> => {parent_tid=[4431]}, 88) = 4431 [pid 4430] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4430] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4431] <... futex resumed>) = 0 [pid 4431] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4430] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4431] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4431] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4430] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4430] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4431] <... futex resumed>) = 0 [pid 4431] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4431] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4431] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4431] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4431] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4430] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4431] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4431] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4431] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4431] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4431] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4431] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4431] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4431] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4431] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4430] <... futex resumed>) = 0 [pid 4431] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4431] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4430] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4431] <... sendmsg resumed>) = 0 [pid 4430] <... mmap resumed>) = 0x7f857e3c2000 [pid 4431] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4430] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 4431] <... sendmsg resumed>) = 0 [pid 4430] <... mprotect resumed>) = 0 [pid 4431] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4430] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4430] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4431] <... sendmsg resumed>) = 0 [pid 4431] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4431] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4430] <... clone3 resumed> => {parent_tid=[4432]}, 88) = 4432 ./strace-static-x86_64: Process 4432 attached [pid 4431] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4430] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4430] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 4431] <... sendmsg resumed>) = 0 [pid 4430] <... futex resumed>) = 0 [pid 4431] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4430] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4431] <... sendmsg resumed>) = 0 [pid 4431] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4431] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4431] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4431] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4431] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4431] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4431] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4431] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4431] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4431] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4431] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4431] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4431] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4432] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4432] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4432] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4432] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4430] <... futex resumed>) = 0 [pid 4432] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4430] exit_group(0) = ? [pid 4431] <... futex resumed>) = ? [pid 4431] +++ exited with 0 +++ [pid 4432] <... futex resumed>) = ? [pid 4432] +++ exited with 0 +++ [pid 4430] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4430, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4433 ./strace-static-x86_64: Process 4433 attached [pid 4433] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4433] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4433] setpgid(0, 0) = 0 [pid 4433] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4433] write(3, "1000", 4) = 4 [pid 4433] close(3) = 0 executing program [pid 4433] write(1, "executing program\n", 18) = 18 [pid 4433] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4433] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4433] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4433] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4433] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4433] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4433] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[4434]}, 88) = 4434 [pid 4433] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4433] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4433] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4434 attached [pid 4434] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4434] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4434] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4434] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4433] <... futex resumed>) = 0 [pid 4433] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4433] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4433] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4433] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4433] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4433] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[4435]}, 88) = 4435 [pid 4433] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4433] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4433] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4434] <... futex resumed>) = 1 [pid 4434] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4434] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0./strace-static-x86_64: Process 4435 attached [pid 4435] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4435] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4435] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4435] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4433] <... futex resumed>) = 0 [pid 4435] <... futex resumed>) = 1 [pid 4435] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4434] <... sendmsg resumed>) = 0 [pid 4434] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4434] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4434] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4434] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4434] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4434] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4434] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4434] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4434] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4434] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4434] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4434] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4434] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4434] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4434] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4434] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4434] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4434] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4434] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4434] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4434] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4434] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4434] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4434] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4434] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4434] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4434] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4434] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4434] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4434] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4434] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4434] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4434] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4433] exit_group(0 [pid 4434] <... futex resumed>) = ? [pid 4433] <... exit_group resumed>) = ? [pid 4434] +++ exited with 0 +++ [pid 4435] <... futex resumed>) = ? [pid 4435] +++ exited with 0 +++ [pid 4433] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4433, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4436 ./strace-static-x86_64: Process 4436 attached [pid 4436] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4436] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4436] setpgid(0, 0) = 0 [pid 4436] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4436] write(3, "1000", 4) = 4 [pid 4436] close(3executing program ) = 0 [pid 4436] write(1, "executing program\n", 18) = 18 [pid 4436] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4436] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4436] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4436] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4436] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4436] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4436] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4437 attached => {parent_tid=[4437]}, 88) = 4437 [pid 4436] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4436] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4436] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4437] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4437] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4437] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4437] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4436] <... futex resumed>) = 0 [pid 4436] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4436] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4436] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4436] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4436] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4436] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[4438]}, 88) = 4438 [pid 4436] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4436] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4436] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4437] <... futex resumed>) = 1 [pid 4437] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4437] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4437] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4437] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4437] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4437] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4437] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4437] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4437] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4437] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4437] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4437] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4437] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4437] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4437] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4437] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4437] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4437] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4437] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4437] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4437] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4437] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4437] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4437] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4437] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4437] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4437] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4437] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4437] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4437] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4437] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4437] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4437] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4437] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4437] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 4438 attached [pid 4438] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4438] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4438] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4438] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4436] <... futex resumed>) = 0 [pid 4436] exit_group(0 [pid 4437] <... futex resumed>) = ? [pid 4436] <... exit_group resumed>) = ? [pid 4437] +++ exited with 0 +++ [pid 4438] <... futex resumed>) = ? [pid 4438] +++ exited with 0 +++ [pid 4436] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4436, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4439 ./strace-static-x86_64: Process 4439 attached [pid 4439] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4439] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4439] setpgid(0, 0) = 0 [pid 4439] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4439] write(3, "1000", 4) = 4 [pid 4439] close(3) = 0 executing program [pid 4439] write(1, "executing program\n", 18) = 18 [pid 4439] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4439] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4439] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4439] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4439] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4439] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4439] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4440 attached [pid 4440] set_robust_list(0x7f857e4039a0, 24 [pid 4439] <... clone3 resumed> => {parent_tid=[4440]}, 88) = 4440 [pid 4440] <... set_robust_list resumed>) = 0 [pid 4439] rt_sigprocmask(SIG_SETMASK, [], [pid 4440] rt_sigprocmask(SIG_SETMASK, [], [pid 4439] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4440] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4439] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 4440] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 4439] <... futex resumed>) = 0 [pid 4439] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4440] <... socketpair resumed>[3, 4]) = 0 [pid 4440] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4440] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4439] <... futex resumed>) = 0 [pid 4439] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 4440] <... futex resumed>) = 0 [pid 4439] <... futex resumed>) = 1 [pid 4440] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4439] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4440] <... sendmsg resumed>) = 0 [pid 4439] <... futex resumed>) = 0 [pid 4440] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4440] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4440] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4439] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4440] <... sendmsg resumed>) = 0 [pid 4440] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4439] <... mmap resumed>) = 0x7f857e3c2000 [pid 4440] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4440] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4439] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 4440] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4439] <... mprotect resumed>) = 0 [pid 4440] <... sendmsg resumed>) = 0 [pid 4439] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4440] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4439] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4440] <... sendmsg resumed>) = 0 [pid 4439] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4440] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4440] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4439] <... clone3 resumed> => {parent_tid=[4441]}, 88) = 4441 [pid 4439] rt_sigprocmask(SIG_SETMASK, [], [pid 4440] <... sendmsg resumed>) = 0 [pid 4439] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4440] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4439] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4440] <... sendmsg resumed>) = 0 [pid 4439] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4440] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4440] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0./strace-static-x86_64: Process 4441 attached ) = 0 [pid 4440] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4441] set_robust_list(0x7f857e3e29a0, 24 [pid 4440] <... sendmsg resumed>) = 0 [pid 4440] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4440] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4440] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4440] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4440] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4440] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4440] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4440] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4440] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4440] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4440] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4440] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4440] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4440] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4440] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4440] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4441] <... set_robust_list resumed>) = 0 [pid 4440] <... sendmsg resumed>) = 0 [pid 4440] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4441] rt_sigprocmask(SIG_SETMASK, [], [pid 4440] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4440] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4440] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4441] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4441] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4441] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4439] <... futex resumed>) = 0 [pid 4439] exit_group(0) = ? [pid 4441] +++ exited with 0 +++ [pid 4440] <... futex resumed>) = ? [pid 4440] +++ exited with 0 +++ [pid 4439] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4439, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4442 ./strace-static-x86_64: Process 4442 attached [pid 4442] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4442] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4442] setpgid(0, 0) = 0 [pid 4442] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4442] write(3, "1000", 4) = 4 [pid 4442] close(3) = 0 [pid 4442] write(1, "executing program\n", 18executing program ) = 18 [pid 4442] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4442] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4442] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4442] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4442] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4442] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4442] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4443 attached => {parent_tid=[4443]}, 88) = 4443 [pid 4443] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4442] rt_sigprocmask(SIG_SETMASK, [], [pid 4443] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4443] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4442] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4442] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4443] <... futex resumed>) = 0 [pid 4443] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 4442] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4443] <... socketpair resumed>[3, 4]) = 0 [pid 4443] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4443] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4442] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4442] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4443] <... futex resumed>) = 0 [pid 4443] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4443] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4443] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4443] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4443] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4443] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4443] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4442] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4443] <... sendmsg resumed>) = 0 [pid 4443] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4443] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4443] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4443] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4443] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4443] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4442] <... futex resumed>) = 0 [pid 4443] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4443] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4442] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4443] <... sendmsg resumed>) = 0 [pid 4443] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4443] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4443] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4442] <... mmap resumed>) = 0x7f857e3c2000 [pid 4443] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4443] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4443] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4443] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4442] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 4443] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4442] <... mprotect resumed>) = 0 [pid 4443] <... sendmsg resumed>) = 0 [pid 4443] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4443] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4443] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4443] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4443] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4443] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4443] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4442] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4443] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4442] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4443] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4443] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4443] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4443] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4442] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0}./strace-static-x86_64: Process 4444 attached [pid 4444] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4444] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4444] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4442] <... clone3 resumed> => {parent_tid=[4444]}, 88) = 4444 [pid 4442] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4442] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4444] <... futex resumed>) = 0 [pid 4442] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4444] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4444] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4442] <... futex resumed>) = 0 [pid 4444] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4442] exit_group(0) = ? [pid 4443] <... futex resumed>) = ? [pid 4443] +++ exited with 0 +++ [pid 4444] <... futex resumed>) = ? [pid 4444] +++ exited with 0 +++ [pid 4442] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4442, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4445 ./strace-static-x86_64: Process 4445 attached [pid 4445] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4445] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4445] setpgid(0, 0) = 0 [pid 4445] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4445] write(3, "1000", 4) = 4 [pid 4445] close(3executing program ) = 0 [pid 4445] write(1, "executing program\n", 18) = 18 [pid 4445] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4445] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4445] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4445] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4445] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4445] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4445] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[4446]}, 88) = 4446 ./strace-static-x86_64: Process 4446 attached [pid 4446] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4446] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4446] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4445] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4445] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4446] <... futex resumed>) = 0 [pid 4446] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4445] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4446] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4446] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4445] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4445] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4446] <... futex resumed>) = 0 [pid 4446] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4446] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4446] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4446] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4446] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4445] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4446] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4446] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4446] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4446] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4445] <... futex resumed>) = 0 [pid 4446] <... sendmsg resumed>) = 0 [pid 4446] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4446] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4445] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4446] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4446] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4446] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4446] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4446] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4445] <... mmap resumed>) = 0x7f857e3c2000 [pid 4446] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4446] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4446] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4445] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 4446] <... sendmsg resumed>) = 0 [pid 4446] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4446] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4446] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4446] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4445] <... mprotect resumed>) = 0 [pid 4446] <... sendmsg resumed>) = 0 [pid 4446] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4446] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4446] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4446] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4445] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4446] <... sendmsg resumed>) = 0 [pid 4446] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4445] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4446] <... sendmsg resumed>) = 0 [pid 4446] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4446] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4446] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4446] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4445] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4446] <... sendmsg resumed>) = 0 [pid 4446] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4446] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4446] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 4447 attached [pid 4445] <... clone3 resumed> => {parent_tid=[4447]}, 88) = 4447 [pid 4447] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4447] rt_sigprocmask(SIG_SETMASK, [], [pid 4445] rt_sigprocmask(SIG_SETMASK, [], [pid 4447] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4445] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4447] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4445] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 4447] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4445] <... futex resumed>) = 0 [pid 4447] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 4445] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4447] <... setsockopt resumed>) = 0 [pid 4447] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4445] <... futex resumed>) = 0 [pid 4447] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4445] exit_group(0 [pid 4446] <... futex resumed>) = ? [pid 4445] <... exit_group resumed>) = ? [pid 4447] <... futex resumed>) = ? [pid 4446] +++ exited with 0 +++ [pid 4447] +++ exited with 0 +++ [pid 4445] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4445, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4448 ./strace-static-x86_64: Process 4448 attached [pid 4448] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4448] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4448] setpgid(0, 0) = 0 [pid 4448] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4448] write(3, "1000", 4) = 4 [pid 4448] close(3) = 0 [pid 4448] write(1, "executing program\n", 18executing program ) = 18 [pid 4448] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4448] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4448] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4448] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4448] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4448] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4448] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[4449]}, 88) = 4449 ./strace-static-x86_64: Process 4449 attached [pid 4448] rt_sigprocmask(SIG_SETMASK, [], [pid 4449] set_robust_list(0x7f857e4039a0, 24 [pid 4448] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4448] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4448] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4449] <... set_robust_list resumed>) = 0 [pid 4449] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4449] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4449] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4448] <... futex resumed>) = 0 [pid 4448] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4448] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4448] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4448] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4448] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4448] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4449] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4448] <... clone3 resumed> => {parent_tid=[4450]}, 88) = 4450 [pid 4448] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4448] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4448] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4450 attached [pid 4450] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4450] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4450] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4450] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4448] <... futex resumed>) = 0 [pid 4450] <... futex resumed>) = 1 [pid 4449] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4450] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4449] <... sendmsg resumed>) = 0 [pid 4449] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4449] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4449] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4449] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4449] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4449] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4449] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4449] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4449] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4449] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4449] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4449] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4449] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4449] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4449] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4449] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4449] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4449] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4449] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4449] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4449] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4449] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4449] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4449] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4449] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4449] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4449] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4449] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4449] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4449] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4449] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4449] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4448] exit_group(0) = ? [pid 4449] <... futex resumed>) = ? [pid 4450] <... futex resumed>) = ? [pid 4450] +++ exited with 0 +++ [pid 4449] +++ exited with 0 +++ [pid 4448] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4448, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4451 ./strace-static-x86_64: Process 4451 attached [pid 4451] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4451] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4451] setpgid(0, 0) = 0 [pid 4451] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4451] write(3, "1000", 4) = 4 [pid 4451] close(3) = 0 [pid 4451] write(1, "executing program\n", 18executing program ) = 18 [pid 4451] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4451] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4451] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4451] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4451] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4451] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4451] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4452 attached => {parent_tid=[4452]}, 88) = 4452 [pid 4452] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4452] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4452] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4451] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4451] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4452] <... futex resumed>) = 0 [pid 4452] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 4451] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4452] <... socketpair resumed>[3, 4]) = 0 [pid 4452] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4452] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4451] <... futex resumed>) = 0 [pid 4451] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4452] <... futex resumed>) = 0 [pid 4452] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4452] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4452] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4452] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4452] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4452] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4452] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4452] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4452] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4452] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4452] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4452] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4452] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4452] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4451] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4452] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4452] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4452] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4452] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4451] <... futex resumed>) = 0 [pid 4452] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4452] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4452] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4452] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4452] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4451] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4452] <... sendmsg resumed>) = 0 [pid 4452] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4452] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4452] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4452] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4452] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4452] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4452] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4452] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4452] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4451] <... mmap resumed>) = 0x7f857e3c2000 [pid 4452] <... sendmsg resumed>) = 0 [pid 4452] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4452] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4452] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4451] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4451] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4451] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0}./strace-static-x86_64: Process 4453 attached [pid 4453] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4453] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4453] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4451] <... clone3 resumed> => {parent_tid=[4453]}, 88) = 4453 [pid 4451] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4451] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4453] <... futex resumed>) = 0 [pid 4453] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 4451] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4453] <... setsockopt resumed>) = 0 [pid 4453] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4451] <... futex resumed>) = 0 [pid 4453] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4451] exit_group(0) = ? [pid 4452] <... futex resumed>) = ? [pid 4452] +++ exited with 0 +++ [pid 4453] <... futex resumed>) = ? [pid 4453] +++ exited with 0 +++ [pid 4451] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4451, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4454 ./strace-static-x86_64: Process 4454 attached [pid 4454] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4454] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4454] setpgid(0, 0) = 0 [pid 4454] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4454] write(3, "1000", 4) = 4 executing program [pid 4454] close(3) = 0 [pid 4454] write(1, "executing program\n", 18) = 18 [pid 4454] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4454] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4454] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4454] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4454] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4454] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4454] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[4455]}, 88) = 4455 [pid 4454] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4454] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4454] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4455 attached [pid 4455] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4455] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4455] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4455] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4454] <... futex resumed>) = 0 [pid 4455] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4454] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4455] <... sendmsg resumed>) = 0 [pid 4454] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4455] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4454] <... futex resumed>) = 0 [pid 4454] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4455] <... sendmsg resumed>) = 0 [pid 4454] <... mmap resumed>) = 0x7f857e3c2000 [pid 4455] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4454] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 4455] <... sendmsg resumed>) = 0 [pid 4454] <... mprotect resumed>) = 0 [pid 4455] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4454] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4454] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4455] <... sendmsg resumed>) = 0 [pid 4455] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4454] <... clone3 resumed> => {parent_tid=[4456]}, 88) = 4456 [pid 4454] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4454] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4454] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4455] <... sendmsg resumed>) = 0 [pid 4455] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4455] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4455] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4455] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0./strace-static-x86_64: Process 4456 attached ) = 0 [pid 4456] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4456] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4456] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4456] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4454] <... futex resumed>) = 0 [pid 4456] <... futex resumed>) = 1 [pid 4455] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4456] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4455] <... sendmsg resumed>) = 0 [pid 4455] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4455] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4455] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4455] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4455] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4455] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4455] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4455] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4455] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4455] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4455] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4455] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4455] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4455] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4455] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4455] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4455] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4455] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4455] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4455] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4455] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4455] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4455] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4455] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4455] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4454] exit_group(0) = ? [pid 4456] <... futex resumed>) = ? [pid 4456] +++ exited with 0 +++ [pid 4455] <... futex resumed>) = ? [pid 4455] +++ exited with 0 +++ [pid 4454] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4454, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4457 ./strace-static-x86_64: Process 4457 attached [pid 4457] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4457] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4457] setpgid(0, 0) = 0 [pid 4457] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4457] write(3, "1000", 4) = 4 [pid 4457] close(3) = 0 [pid 4457] write(1, "executing program\n", 18executing program ) = 18 [pid 4457] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4457] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4457] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4457] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4457] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4457] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4457] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4458 attached [pid 4458] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4458] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4458] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4457] <... clone3 resumed> => {parent_tid=[4458]}, 88) = 4458 [pid 4457] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4457] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4458] <... futex resumed>) = 0 [pid 4457] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4458] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4458] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4457] <... futex resumed>) = 0 [pid 4457] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4457] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4457] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4457] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 4458] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4457] <... mprotect resumed>) = 0 [pid 4458] <... sendmsg resumed>) = 0 [pid 4457] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4457] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4458] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4457] <... clone3 resumed> => {parent_tid=[4459]}, 88) = 4459 [pid 4457] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4458] <... sendmsg resumed>) = 0 [pid 4457] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 4458] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4457] <... futex resumed>) = 0 [pid 4457] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4459 attached [pid 4459] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4459] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4459] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4459] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4457] <... futex resumed>) = 0 [pid 4458] <... sendmsg resumed>) = 0 [pid 4459] <... futex resumed>) = 1 [pid 4459] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4458] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4458] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4458] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4458] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4458] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4458] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4458] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4458] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4458] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4458] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4458] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4458] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4458] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4458] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4458] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4458] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4458] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4458] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4458] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4458] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4458] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4458] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4458] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4458] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4458] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4458] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4458] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4458] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4458] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4458] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4458] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4458] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4457] exit_group(0 [pid 4458] <... futex resumed>) = ? [pid 4457] <... exit_group resumed>) = ? [pid 4458] +++ exited with 0 +++ [pid 4459] <... futex resumed>) = ? [pid 4459] +++ exited with 0 +++ [pid 4457] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4457, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4460 ./strace-static-x86_64: Process 4460 attached [pid 4460] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4460] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4460] setpgid(0, 0) = 0 [pid 4460] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4460] write(3, "1000", 4) = 4 [pid 4460] close(3) = 0 [pid 4460] write(1, "executing program\n", 18executing program ) = 18 [pid 4460] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4460] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4460] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4460] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4460] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4460] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4460] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4461 attached => {parent_tid=[4461]}, 88) = 4461 [pid 4461] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4461] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4461] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4460] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4460] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4461] <... futex resumed>) = 0 [pid 4461] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 4460] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4461] <... socketpair resumed>[3, 4]) = 0 [pid 4461] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4461] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4460] <... futex resumed>) = 0 [pid 4460] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4461] <... futex resumed>) = 0 [pid 4461] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4460] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4461] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4461] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4461] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4460] <... futex resumed>) = 0 [pid 4461] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4461] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4461] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4460] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4461] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4461] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4461] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4461] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4461] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4461] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4460] <... mmap resumed>) = 0x7f857e3c2000 [pid 4460] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 4461] <... sendmsg resumed>) = 0 [pid 4461] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4460] <... mprotect resumed>) = 0 [pid 4461] <... sendmsg resumed>) = 0 [pid 4461] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4461] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4461] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4460] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4461] <... sendmsg resumed>) = 0 [pid 4461] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4461] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4461] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4460] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4461] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4460] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4461] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4461] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4461] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4461] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4461] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4461] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4461] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4461] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 ./strace-static-x86_64: Process 4462 attached [pid 4460] <... clone3 resumed> => {parent_tid=[4462]}, 88) = 4462 [pid 4461] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4461] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4461] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4462] set_robust_list(0x7f857e3e29a0, 24 [pid 4460] rt_sigprocmask(SIG_SETMASK, [], [pid 4461] <... sendmsg resumed>) = 0 [pid 4461] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4462] <... set_robust_list resumed>) = 0 [pid 4460] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4461] <... sendmsg resumed>) = 0 [pid 4461] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4461] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4462] rt_sigprocmask(SIG_SETMASK, [], [pid 4460] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 4462] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4460] <... futex resumed>) = 0 [pid 4460] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4462] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4462] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4460] <... futex resumed>) = 0 [pid 4460] exit_group(0) = ? [pid 4462] exit_group(0 [pid 4461] <... futex resumed>) = ? [pid 4462] <... exit_group resumed>) = ? [pid 4461] +++ exited with 0 +++ [pid 4462] +++ exited with 0 +++ [pid 4460] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4460, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4463 ./strace-static-x86_64: Process 4463 attached [pid 4463] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4463] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4463] setpgid(0, 0) = 0 [pid 4463] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4463] write(3, "1000", 4) = 4 [pid 4463] close(3) = 0 [pid 4463] write(1, "executing program\n", 18executing program ) = 18 [pid 4463] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4463] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4463] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4463] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4463] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4463] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4463] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4464 attached => {parent_tid=[4464]}, 88) = 4464 [pid 4463] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4463] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4463] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4464] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4464] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4464] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4464] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4463] <... futex resumed>) = 0 [pid 4463] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4463] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4463] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4463] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4463] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4463] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4464] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4463] <... clone3 resumed> => {parent_tid=[4465]}, 88) = 4465 [pid 4463] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4463] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4463] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4465 attached [pid 4465] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4465] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4465] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4465] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4463] <... futex resumed>) = 0 [pid 4465] <... futex resumed>) = 1 [pid 4464] <... sendmsg resumed>) = 0 [pid 4465] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4464] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4464] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4464] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4464] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4464] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4464] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4464] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4464] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4464] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4464] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4464] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4464] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4464] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4464] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4464] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4464] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4464] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4464] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4464] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4464] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4464] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4464] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4464] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4464] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4464] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4464] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4464] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4464] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4464] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4464] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4464] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4464] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4464] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4464] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4463] exit_group(0 [pid 4465] <... futex resumed>) = ? [pid 4464] <... futex resumed>) = ? [pid 4463] <... exit_group resumed>) = ? [pid 4464] +++ exited with 0 +++ [pid 4465] +++ exited with 0 +++ [pid 4463] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4463, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4466 ./strace-static-x86_64: Process 4466 attached [pid 4466] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4466] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4466] setpgid(0, 0) = 0 [pid 4466] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4466] write(3, "1000", 4) = 4 [pid 4466] close(3) = 0 [pid 4466] write(1, "executing program\n", 18executing program ) = 18 [pid 4466] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4466] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4466] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4466] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4466] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4466] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4466] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4467 attached => {parent_tid=[4467]}, 88) = 4467 [pid 4467] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4467] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4467] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4466] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4466] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4467] <... futex resumed>) = 0 [pid 4467] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 4466] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4467] <... socketpair resumed>[3, 4]) = 0 [pid 4467] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4467] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4466] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4466] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4467] <... futex resumed>) = 0 [pid 4466] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4467] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4467] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4467] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4466] <... futex resumed>) = 0 [pid 4467] <... sendmsg resumed>) = 0 [pid 4467] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4466] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4467] <... sendmsg resumed>) = 0 [pid 4467] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4467] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4466] <... mmap resumed>) = 0x7f857e3c2000 [pid 4467] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4467] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4466] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 4467] <... sendmsg resumed>) = 0 [pid 4467] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4467] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4467] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4467] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4467] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4467] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4467] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4467] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4467] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4467] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4467] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4467] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4467] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4466] <... mprotect resumed>) = 0 [pid 4467] <... sendmsg resumed>) = 0 [pid 4467] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4467] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4467] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4466] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4467] <... sendmsg resumed>) = 0 [pid 4467] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4467] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4466] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4467] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4466] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4467] <... sendmsg resumed>) = 0 [pid 4467] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4467] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4467] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4467] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4466] <... clone3 resumed> => {parent_tid=[4468]}, 88) = 4468 [pid 4467] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0./strace-static-x86_64: Process 4468 attached [pid 4466] rt_sigprocmask(SIG_SETMASK, [], [pid 4467] <... sendmsg resumed>) = 0 [pid 4467] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4467] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4467] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4468] set_robust_list(0x7f857e3e29a0, 24 [pid 4466] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4466] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4466] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4468] <... set_robust_list resumed>) = 0 [pid 4468] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4468] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4468] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4466] <... futex resumed>) = 0 [pid 4468] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4466] exit_group(0) = ? [pid 4468] <... futex resumed>) = ? [pid 4467] <... futex resumed>) = ? [pid 4468] +++ exited with 0 +++ [pid 4467] +++ exited with 0 +++ [pid 4466] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4466, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4469 ./strace-static-x86_64: Process 4469 attached [pid 4469] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4469] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4469] setpgid(0, 0) = 0 [pid 4469] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4469] write(3, "1000", 4) = 4 [pid 4469] close(3) = 0 [pid 4469] write(1, "executing program\n", 18executing program ) = 18 [pid 4469] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4469] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4469] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4469] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4469] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4469] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4469] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4470 attached => {parent_tid=[4470]}, 88) = 4470 [pid 4470] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4470] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4470] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4469] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4469] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4470] <... futex resumed>) = 0 [pid 4470] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4469] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4470] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4470] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4469] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4469] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4470] <... futex resumed>) = 0 [pid 4470] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4470] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4470] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4470] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4470] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4470] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4470] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4470] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4470] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4470] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4470] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4470] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4469] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4470] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4470] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4470] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4470] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4470] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4470] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4470] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4470] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4470] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4470] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4470] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4470] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4470] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4470] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4470] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4470] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4470] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4470] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4470] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4469] <... futex resumed>) = 0 [pid 4470] <... sendmsg resumed>) = 0 [pid 4470] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4470] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4470] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4470] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4469] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4469] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4469] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4469] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0}./strace-static-x86_64: Process 4471 attached => {parent_tid=[4471]}, 88) = 4471 [pid 4471] set_robust_list(0x7f857e3e29a0, 24 [pid 4469] rt_sigprocmask(SIG_SETMASK, [], [pid 4471] <... set_robust_list resumed>) = 0 [pid 4471] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4471] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4469] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4469] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4471] <... futex resumed>) = 0 [pid 4471] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4471] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4471] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4469] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 4469] exit_group(0 [pid 4470] <... futex resumed>) = ? [pid 4469] <... exit_group resumed>) = ? [pid 4470] +++ exited with 0 +++ [pid 4471] <... futex resumed>) = ? [pid 4471] +++ exited with 0 +++ [pid 4469] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4469, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4472 ./strace-static-x86_64: Process 4472 attached [pid 4472] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4472] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4472] setpgid(0, 0) = 0 [pid 4472] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4472] write(3, "1000", 4) = 4 [pid 4472] close(3) = 0 [pid 4472] write(1, "executing program\n", 18executing program ) = 18 [pid 4472] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4472] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4472] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4472] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4472] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4472] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4472] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4473 attached => {parent_tid=[4473]}, 88) = 4473 [pid 4473] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4473] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4473] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4472] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4472] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4473] <... futex resumed>) = 0 [pid 4473] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4472] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4473] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4473] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4472] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4472] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4473] <... futex resumed>) = 0 [pid 4473] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4473] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4473] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4473] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4473] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4473] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4473] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4473] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4473] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4473] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4473] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4473] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4473] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4473] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4473] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4473] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4473] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4473] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4473] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4473] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4473] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4473] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4473] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4472] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4473] <... sendmsg resumed>) = 0 [pid 4473] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4473] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4473] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4473] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4473] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4473] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4473] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4473] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4473] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4473] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4473] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4473] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4472] <... futex resumed>) = 0 [pid 4472] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4472] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4472] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4472] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0}./strace-static-x86_64: Process 4474 attached => {parent_tid=[4474]}, 88) = 4474 [pid 4474] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4474] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4474] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4472] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4472] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4474] <... futex resumed>) = 0 [pid 4474] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4474] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4474] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4472] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 4472] exit_group(0 [pid 4473] <... futex resumed>) = ? [pid 4472] <... exit_group resumed>) = ? [pid 4473] +++ exited with 0 +++ [pid 4474] <... futex resumed>) = ? [pid 4474] +++ exited with 0 +++ [pid 4472] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4472, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4475 ./strace-static-x86_64: Process 4475 attached [pid 4475] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4475] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4475] setpgid(0, 0) = 0 [pid 4475] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4475] write(3, "1000", 4) = 4 [pid 4475] close(3) = 0 [pid 4475] write(1, "executing program\n", 18executing program ) = 18 [pid 4475] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4475] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4475] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4475] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4475] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4475] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4475] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4476 attached => {parent_tid=[4476]}, 88) = 4476 [pid 4476] set_robust_list(0x7f857e4039a0, 24 [pid 4475] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4475] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4475] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4476] <... set_robust_list resumed>) = 0 [pid 4476] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4476] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4476] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4475] <... futex resumed>) = 0 [pid 4476] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4475] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4475] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4475] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4476] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4475] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4475] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4475] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[4477]}, 88) = 4477 [pid 4476] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4475] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4475] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4475] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4477 attached [pid 4477] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4477] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4477] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4477] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4475] <... futex resumed>) = 0 [pid 4476] <... sendmsg resumed>) = 0 [pid 4477] <... futex resumed>) = 1 [pid 4477] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4476] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4476] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4476] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4476] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4476] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4476] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4476] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4476] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4476] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4476] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4476] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4476] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4476] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4476] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4476] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4476] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4476] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4476] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4476] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4476] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4476] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4476] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4476] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4476] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4476] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4476] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4476] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4476] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4476] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4476] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4476] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4476] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4476] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4476] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4475] exit_group(0) = ? [pid 4476] <... futex resumed>) = 231 [pid 4477] <... futex resumed>) = ? [pid 4476] +++ exited with 0 +++ [pid 4477] +++ exited with 0 +++ [pid 4475] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4475, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4478 ./strace-static-x86_64: Process 4478 attached [pid 4478] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4478] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4478] setpgid(0, 0) = 0 [pid 4478] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4478] write(3, "1000", 4) = 4 [pid 4478] close(3) = 0 executing program [pid 4478] write(1, "executing program\n", 18) = 18 [pid 4478] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4478] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4478] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4478] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4478] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4478] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4478] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4479 attached [pid 4479] set_robust_list(0x7f857e4039a0, 24 [pid 4478] <... clone3 resumed> => {parent_tid=[4479]}, 88) = 4479 [pid 4478] rt_sigprocmask(SIG_SETMASK, [], [pid 4479] <... set_robust_list resumed>) = 0 [pid 4478] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4479] rt_sigprocmask(SIG_SETMASK, [], [pid 4478] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 4479] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4478] <... futex resumed>) = 0 [pid 4479] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 4478] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4479] <... socketpair resumed>[3, 4]) = 0 [pid 4479] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4478] <... futex resumed>) = 0 [pid 4479] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4478] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 4479] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4478] <... futex resumed>) = 0 [pid 4479] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4478] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4479] <... sendmsg resumed>) = 0 [pid 4478] <... futex resumed>) = 0 [pid 4478] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4479] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4478] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4479] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4479] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4478] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4478] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4479] <... sendmsg resumed>) = 0 [pid 4478] <... clone3 resumed> => {parent_tid=[4480]}, 88) = 4480 [pid 4479] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4478] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4478] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4478] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4480 attached [pid 4480] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4480] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4480] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4480] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4478] <... futex resumed>) = 0 [pid 4480] <... futex resumed>) = 1 [pid 4480] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4479] <... sendmsg resumed>) = 0 [pid 4479] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4479] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4479] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4479] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4479] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4479] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4479] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4479] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4479] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4479] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4479] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4479] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4479] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4479] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4479] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4479] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4479] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4479] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4479] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4479] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4479] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4479] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4479] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4479] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4479] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4479] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4479] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4479] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4479] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4479] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4478] exit_group(0) = ? [pid 4479] <... futex resumed>) = ? [pid 4479] +++ exited with 0 +++ [pid 4480] <... futex resumed>) = ? [pid 4480] +++ exited with 0 +++ [pid 4478] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4478, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4481 ./strace-static-x86_64: Process 4481 attached [pid 4481] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4481] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4481] setpgid(0, 0) = 0 [pid 4481] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4481] write(3, "1000", 4) = 4 [pid 4481] close(3executing program ) = 0 [pid 4481] write(1, "executing program\n", 18) = 18 [pid 4481] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4481] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4481] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4481] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4481] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4481] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4481] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[4482]}, 88) = 4482 ./strace-static-x86_64: Process 4482 attached [pid 4481] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4481] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4481] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4482] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4482] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4482] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4482] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4481] <... futex resumed>) = 0 [pid 4481] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4481] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4481] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4481] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4481] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4482] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4481] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4481] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[4483]}, 88) = 4483 ./strace-static-x86_64: Process 4483 attached [pid 4482] <... sendmsg resumed>) = 0 [pid 4483] set_robust_list(0x7f857e3e29a0, 24 [pid 4481] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4483] <... set_robust_list resumed>) = 0 [pid 4481] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 4483] rt_sigprocmask(SIG_SETMASK, [], [pid 4481] <... futex resumed>) = 0 [pid 4483] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4483] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 4481] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4483] <... setsockopt resumed>) = 0 [pid 4483] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4481] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4483] <... futex resumed>) = 0 [pid 4483] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4482] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4482] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4482] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4482] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4482] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4482] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4482] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4482] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4482] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4482] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4482] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4482] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4482] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4482] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4482] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4482] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4482] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4482] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4482] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4482] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4482] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4482] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4482] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4482] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4482] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4482] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4482] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4482] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4482] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4482] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4482] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4482] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4482] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4482] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4481] exit_group(0 [pid 4482] <... futex resumed>) = ? [pid 4481] <... exit_group resumed>) = ? [pid 4482] +++ exited with 0 +++ [pid 4483] <... futex resumed>) = ? [pid 4483] +++ exited with 0 +++ [pid 4481] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4481, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4484 ./strace-static-x86_64: Process 4484 attached [pid 4484] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4484] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4484] setpgid(0, 0) = 0 [pid 4484] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4484] write(3, "1000", 4) = 4 [pid 4484] close(3) = 0 [pid 4484] write(1, "executing program\n", 18executing program ) = 18 [pid 4484] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4484] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4484] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4484] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4484] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4484] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4484] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4485 attached => {parent_tid=[4485]}, 88) = 4485 [pid 4485] set_robust_list(0x7f857e4039a0, 24 [pid 4484] rt_sigprocmask(SIG_SETMASK, [], [pid 4485] <... set_robust_list resumed>) = 0 [pid 4484] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4485] rt_sigprocmask(SIG_SETMASK, [], [pid 4484] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 4485] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4484] <... futex resumed>) = 0 [pid 4485] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 4484] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4485] <... socketpair resumed>[3, 4]) = 0 [pid 4485] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4484] <... futex resumed>) = 0 [pid 4484] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4484] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4484] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4484] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4485] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4484] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4484] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[4486]}, 88) = 4486 [pid 4485] <... sendmsg resumed>) = 0 [pid 4484] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4484] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4484] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4486 attached [pid 4486] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4486] rt_sigprocmask(SIG_SETMASK, [], [pid 4485] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4486] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4486] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4486] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4484] <... futex resumed>) = 0 [pid 4486] <... futex resumed>) = 1 [pid 4486] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4485] <... sendmsg resumed>) = 0 [pid 4485] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4485] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4485] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4485] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4485] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4485] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4485] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4485] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4485] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4485] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4485] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4485] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4485] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4485] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4485] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4485] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4485] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4485] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4485] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4485] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4485] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4485] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4485] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4485] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4485] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4485] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4485] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4485] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4485] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4485] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4485] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4485] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4484] exit_group(0) = ? [pid 4485] +++ exited with 0 +++ [pid 4486] <... futex resumed>) = ? [pid 4486] +++ exited with 0 +++ [pid 4484] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4484, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4488 ./strace-static-x86_64: Process 4488 attached [pid 4488] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4488] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4488] setpgid(0, 0) = 0 [pid 4488] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4488] write(3, "1000", 4) = 4 [pid 4488] close(3) = 0 [pid 4488] write(1, "executing program\n", 18executing program ) = 18 [pid 4488] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4488] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4488] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4488] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4488] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4488] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4488] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4489 attached => {parent_tid=[4489]}, 88) = 4489 [pid 4489] set_robust_list(0x7f857e4039a0, 24 [pid 4488] rt_sigprocmask(SIG_SETMASK, [], [pid 4489] <... set_robust_list resumed>) = 0 [pid 4488] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4489] rt_sigprocmask(SIG_SETMASK, [], [pid 4488] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 4489] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4489] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 4488] <... futex resumed>) = 0 [pid 4488] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4489] <... socketpair resumed>[3, 4]) = 0 [pid 4489] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4488] <... futex resumed>) = 0 [pid 4489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4488] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4489] <... sendmsg resumed>) = 0 [pid 4489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4488] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4489] <... sendmsg resumed>) = 0 [pid 4488] <... futex resumed>) = 0 [pid 4489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4488] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4489] <... sendmsg resumed>) = 0 [pid 4488] <... mmap resumed>) = 0x7f857e3c2000 [pid 4489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4488] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 4489] <... sendmsg resumed>) = 0 [pid 4488] <... mprotect resumed>) = 0 [pid 4489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4488] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4489] <... sendmsg resumed>) = 0 [pid 4488] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[4490]}, 88) = 4490 [pid 4488] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4488] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 4489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4488] <... futex resumed>) = 0 [pid 4488] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4490 attached [pid 4490] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4490] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4490] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 4489] <... sendmsg resumed>) = 0 [pid 4490] <... setsockopt resumed>) = 0 [pid 4490] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4488] <... futex resumed>) = 0 [pid 4490] <... futex resumed>) = 1 [pid 4489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4490] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4489] <... sendmsg resumed>) = 0 [pid 4489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4489] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4489] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4488] exit_group(0 [pid 4489] <... futex resumed>) = ? [pid 4488] <... exit_group resumed>) = ? [pid 4489] +++ exited with 0 +++ [pid 4490] <... futex resumed>) = ? [pid 4490] +++ exited with 0 +++ [pid 4488] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4488, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4491 ./strace-static-x86_64: Process 4491 attached [pid 4491] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4491] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4491] setpgid(0, 0) = 0 [pid 4491] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4491] write(3, "1000", 4) = 4 [pid 4491] close(3executing program ) = 0 [pid 4491] write(1, "executing program\n", 18) = 18 [pid 4491] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4491] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4491] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4491] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4491] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4491] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4491] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4492 attached => {parent_tid=[4492]}, 88) = 4492 [pid 4492] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4492] rt_sigprocmask(SIG_SETMASK, [], [pid 4491] rt_sigprocmask(SIG_SETMASK, [], [pid 4492] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4491] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4491] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 4492] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 4491] <... futex resumed>) = 0 [pid 4491] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4492] <... socketpair resumed>[3, 4]) = 0 [pid 4492] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4491] <... futex resumed>) = 0 [pid 4491] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4491] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4491] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4491] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4491] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4491] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4491] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[4493]}, 88) = 4493 [pid 4492] <... sendmsg resumed>) = 0 [pid 4491] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4491] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4491] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4493 attached [pid 4493] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4493] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4493] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4493] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4491] <... futex resumed>) = 0 [pid 4493] <... futex resumed>) = 1 [pid 4492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4493] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4492] <... sendmsg resumed>) = 0 [pid 4492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4492] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4492] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4491] exit_group(0 [pid 4493] <... futex resumed>) = 231 [pid 4492] <... futex resumed>) = ? [pid 4491] <... exit_group resumed>) = ? [pid 4492] +++ exited with 0 +++ [pid 4493] +++ exited with 0 +++ [pid 4491] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4491, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4494 ./strace-static-x86_64: Process 4494 attached [pid 4494] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4494] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4494] setpgid(0, 0) = 0 [pid 4494] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4494] write(3, "1000", 4) = 4 [pid 4494] close(3) = 0 [pid 4494] write(1, "executing program\n", 18executing program ) = 18 [pid 4494] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4494] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4494] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4494] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4494] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4494] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4494] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4495 attached => {parent_tid=[4495]}, 88) = 4495 [pid 4495] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4495] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4495] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4494] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4494] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4495] <... futex resumed>) = 0 [pid 4495] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4495] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4495] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4494] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 4494] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4495] <... futex resumed>) = 0 [pid 4495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4494] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4494] <... futex resumed>) = 0 [pid 4495] <... sendmsg resumed>) = 0 [pid 4495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4495] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4495] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4494] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4494] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4494] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4494] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0}./strace-static-x86_64: Process 4496 attached [pid 4496] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4496] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4496] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4494] <... clone3 resumed> => {parent_tid=[4496]}, 88) = 4496 [pid 4494] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4494] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4496] <... futex resumed>) = 0 [pid 4494] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4496] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4496] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4494] <... futex resumed>) = 0 [pid 4496] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4494] exit_group(0) = ? [pid 4495] <... futex resumed>) = ? [pid 4495] +++ exited with 0 +++ [pid 4496] <... futex resumed>) = ? [pid 4496] +++ exited with 0 +++ [pid 4494] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4494, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4497 ./strace-static-x86_64: Process 4497 attached [pid 4497] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4497] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4497] setpgid(0, 0) = 0 [pid 4497] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4497] write(3, "1000", 4) = 4 [pid 4497] close(3) = 0 [pid 4497] write(1, "executing program\n", 18executing program ) = 18 [pid 4497] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4497] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4497] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4497] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4497] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4497] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4497] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4498 attached => {parent_tid=[4498]}, 88) = 4498 [pid 4498] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4498] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4498] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4497] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4497] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4498] <... futex resumed>) = 0 [pid 4498] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4498] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4498] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4497] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 4497] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4498] <... futex resumed>) = 0 [pid 4498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4497] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4497] <... futex resumed>) = 0 [pid 4498] <... sendmsg resumed>) = 0 [pid 4497] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4497] <... mmap resumed>) = 0x7f857e3c2000 [pid 4497] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 4498] <... sendmsg resumed>) = 0 [pid 4498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4497] <... mprotect resumed>) = 0 [pid 4498] <... sendmsg resumed>) = 0 [pid 4498] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4498] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4497] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4497] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0}./strace-static-x86_64: Process 4499 attached [pid 4499] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4499] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4499] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4497] <... clone3 resumed> => {parent_tid=[4499]}, 88) = 4499 [pid 4497] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4497] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4499] <... futex resumed>) = 0 [pid 4499] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4499] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4499] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4497] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 4497] exit_group(0 [pid 4498] <... futex resumed>) = ? [pid 4497] <... exit_group resumed>) = ? [pid 4498] +++ exited with 0 +++ [pid 4499] <... futex resumed>) = ? [pid 4499] +++ exited with 0 +++ [pid 4497] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4497, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4500 ./strace-static-x86_64: Process 4500 attached [pid 4500] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4500] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4500] setpgid(0, 0) = 0 [pid 4500] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4500] write(3, "1000", 4) = 4 [pid 4500] close(3executing program ) = 0 [pid 4500] write(1, "executing program\n", 18) = 18 [pid 4500] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4500] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4500] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4500] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4500] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4500] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4500] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4501 attached => {parent_tid=[4501]}, 88) = 4501 [pid 4500] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4500] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4500] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4501] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4501] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4501] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4501] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4500] <... futex resumed>) = 0 [pid 4500] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4500] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4500] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4500] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4500] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4500] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0./strace-static-x86_64: Process 4502 attached ) = 0 [pid 4500] <... clone3 resumed> => {parent_tid=[4502]}, 88) = 4502 [pid 4502] set_robust_list(0x7f857e3e29a0, 24 [pid 4500] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4502] <... set_robust_list resumed>) = 0 [pid 4500] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 4502] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4500] <... futex resumed>) = 0 [pid 4502] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 4500] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4502] <... setsockopt resumed>) = 0 [pid 4502] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4500] <... futex resumed>) = 0 [pid 4502] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4501] <... sendmsg resumed>) = 0 [pid 4501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4501] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4501] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4500] exit_group(0 [pid 4502] <... futex resumed>) = ? [pid 4501] <... futex resumed>) = ? [pid 4500] <... exit_group resumed>) = ? [pid 4502] +++ exited with 0 +++ [pid 4501] +++ exited with 0 +++ [pid 4500] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4500, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4503 ./strace-static-x86_64: Process 4503 attached [pid 4503] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4503] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4503] setpgid(0, 0) = 0 [pid 4503] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4503] write(3, "1000", 4executing program ) = 4 [pid 4503] close(3) = 0 [pid 4503] write(1, "executing program\n", 18) = 18 [pid 4503] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4503] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4503] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4503] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4503] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4503] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4503] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4504 attached => {parent_tid=[4504]}, 88) = 4504 [pid 4503] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4503] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4503] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4504] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4504] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4504] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4504] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4503] <... futex resumed>) = 0 [pid 4503] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4503] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4503] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4503] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4503] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4503] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4503] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4504] <... sendmsg resumed>) = 0 [pid 4503] <... clone3 resumed> => {parent_tid=[4505]}, 88) = 4505 [pid 4503] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4503] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4503] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4505 attached [pid 4505] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4505] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4505] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4505] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4503] <... futex resumed>) = 0 [pid 4505] <... futex resumed>) = 1 [pid 4505] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4504] <... sendmsg resumed>) = 0 [pid 4504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4504] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4504] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4503] exit_group(0) = ? [pid 4504] <... futex resumed>) = ? [pid 4504] +++ exited with 0 +++ [pid 4505] <... futex resumed>) = ? [pid 4505] +++ exited with 0 +++ [pid 4503] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4503, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4506 ./strace-static-x86_64: Process 4506 attached [pid 4506] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4506] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4506] setpgid(0, 0) = 0 [pid 4506] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4506] write(3, "1000", 4) = 4 [pid 4506] close(3) = 0 [pid 4506] write(1, "executing program\n", 18executing program ) = 18 [pid 4506] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4506] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4506] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4506] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4506] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4506] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4506] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4507 attached [pid 4507] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4507] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4507] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4506] <... clone3 resumed> => {parent_tid=[4507]}, 88) = 4507 [pid 4506] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4506] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4507] <... futex resumed>) = 0 [pid 4507] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4506] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4507] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4507] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4506] <... futex resumed>) = 0 [pid 4506] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4507] <... futex resumed>) = 0 [pid 4507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4506] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4506] <... futex resumed>) = 0 [pid 4507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4506] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4507] <... sendmsg resumed>) = 0 [pid 4506] <... mmap resumed>) = 0x7f857e3c2000 [pid 4507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4506] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 4507] <... sendmsg resumed>) = 0 [pid 4506] <... mprotect resumed>) = 0 [pid 4507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4506] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4507] <... sendmsg resumed>) = 0 [pid 4506] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4506] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4507] <... sendmsg resumed>) = 0 [pid 4507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4506] <... clone3 resumed> => {parent_tid=[4508]}, 88) = 4508 [pid 4506] rt_sigprocmask(SIG_SETMASK, [], [pid 4507] <... sendmsg resumed>) = 0 [pid 4507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4506] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4506] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4507] <... sendmsg resumed>) = 0 [pid 4506] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 ./strace-static-x86_64: Process 4508 attached [pid 4507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4507] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4507] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4508] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4508] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4508] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4508] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4506] <... futex resumed>) = 0 [pid 4508] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4506] exit_group(0) = ? [pid 4507] <... futex resumed>) = ? [pid 4507] +++ exited with 0 +++ [pid 4508] <... futex resumed>) = ? [pid 4508] +++ exited with 0 +++ [pid 4506] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4506, si_uid=0, si_status=0, si_utime=1, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4509 ./strace-static-x86_64: Process 4509 attached [pid 4509] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4509] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4509] setpgid(0, 0) = 0 [pid 4509] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4509] write(3, "1000", 4) = 4 [pid 4509] close(3executing program ) = 0 [pid 4509] write(1, "executing program\n", 18) = 18 [pid 4509] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4509] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4509] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4509] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4509] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4509] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4509] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4510 attached => {parent_tid=[4510]}, 88) = 4510 [pid 4510] set_robust_list(0x7f857e4039a0, 24 [pid 4509] rt_sigprocmask(SIG_SETMASK, [], [pid 4510] <... set_robust_list resumed>) = 0 [pid 4510] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4510] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4509] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4509] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4510] <... futex resumed>) = 0 [pid 4509] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4510] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4510] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4509] <... futex resumed>) = 0 [pid 4509] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4509] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4509] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4509] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4509] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4509] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0}./strace-static-x86_64: Process 4511 attached => {parent_tid=[4511]}, 88) = 4511 [pid 4509] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4509] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4509] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4510] <... futex resumed>) = 1 [pid 4510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4511] set_robust_list(0x7f857e3e29a0, 24 [pid 4510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4511] <... set_robust_list resumed>) = 0 [pid 4510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4511] rt_sigprocmask(SIG_SETMASK, [], [pid 4510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4510] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4510] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4511] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4511] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4511] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4509] <... futex resumed>) = 0 [pid 4509] exit_group(0) = ? [pid 4510] <... futex resumed>) = ? [pid 4510] +++ exited with 0 +++ [pid 4511] +++ exited with 0 +++ [pid 4509] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4509, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4512 ./strace-static-x86_64: Process 4512 attached [pid 4512] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4512] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4512] setpgid(0, 0) = 0 [pid 4512] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4512] write(3, "1000", 4) = 4 [pid 4512] close(3) = 0 [pid 4512] write(1, "executing program\n", 18executing program ) = 18 [pid 4512] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4512] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4512] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4512] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4512] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4512] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4512] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4513 attached [pid 4513] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4513] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4513] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4512] <... clone3 resumed> => {parent_tid=[4513]}, 88) = 4513 [pid 4512] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4512] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4513] <... futex resumed>) = 0 [pid 4513] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4513] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4513] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4512] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 4512] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4513] <... futex resumed>) = 0 [pid 4513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4512] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4513] <... sendmsg resumed>) = 0 [pid 4513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4513] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4513] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4512] <... futex resumed>) = 0 [pid 4512] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4512] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4512] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4512] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0}./strace-static-x86_64: Process 4514 attached => {parent_tid=[4514]}, 88) = 4514 [pid 4514] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4514] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4514] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4512] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4512] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4514] <... futex resumed>) = 0 [pid 4514] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4514] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4514] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4512] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 4512] exit_group(0 [pid 4513] <... futex resumed>) = ? [pid 4512] <... exit_group resumed>) = ? [pid 4513] +++ exited with 0 +++ [pid 4514] <... futex resumed>) = ? [pid 4514] +++ exited with 0 +++ [pid 4512] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4512, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4515 attached , child_tidptr=0x55555bbac690) = 4515 [pid 4515] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4515] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4515] setpgid(0, 0) = 0 [pid 4515] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4515] write(3, "1000", 4) = 4 [pid 4515] close(3executing program ) = 0 [pid 4515] write(1, "executing program\n", 18) = 18 [pid 4515] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4515] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4515] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4515] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4515] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4515] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4515] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4516 attached [pid 4516] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4516] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4516] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4515] <... clone3 resumed> => {parent_tid=[4516]}, 88) = 4516 [pid 4515] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4515] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4516] <... futex resumed>) = 0 [pid 4516] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 4515] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4516] <... socketpair resumed>[3, 4]) = 0 [pid 4516] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4516] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4515] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4515] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4516] <... futex resumed>) = 0 [pid 4516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4515] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4515] <... futex resumed>) = 0 [pid 4516] <... sendmsg resumed>) = 0 [pid 4516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4516] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4516] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4515] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4515] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4515] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4515] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0}./strace-static-x86_64: Process 4517 attached [pid 4517] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4517] rt_sigprocmask(SIG_SETMASK, [], [pid 4515] <... clone3 resumed> => {parent_tid=[4517]}, 88) = 4517 [pid 4517] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4517] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4515] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4515] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4517] <... futex resumed>) = 0 [pid 4517] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4517] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4517] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4515] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 4515] exit_group(0) = ? [pid 4516] <... futex resumed>) = ? [pid 4516] +++ exited with 0 +++ [pid 4517] <... futex resumed>) = ? [pid 4517] +++ exited with 0 +++ [pid 4515] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4515, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4518 ./strace-static-x86_64: Process 4518 attached [pid 4518] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4518] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4518] setpgid(0, 0) = 0 [pid 4518] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4518] write(3, "1000", 4) = 4 [pid 4518] close(3) = 0 executing program [pid 4518] write(1, "executing program\n", 18) = 18 [pid 4518] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4518] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4518] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4518] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4518] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4518] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4518] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[4519]}, 88) = 4519 [pid 4518] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4518] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4518] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4519 attached [pid 4519] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4519] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4519] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4519] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4518] <... futex resumed>) = 0 [pid 4518] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4518] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4518] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4518] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4518] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4518] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0}./strace-static-x86_64: Process 4520 attached [pid 4519] <... futex resumed>) = 1 [pid 4518] <... clone3 resumed> => {parent_tid=[4520]}, 88) = 4520 [pid 4518] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4518] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4518] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4520] set_robust_list(0x7f857e3e29a0, 24 [pid 4519] <... sendmsg resumed>) = 0 [pid 4520] <... set_robust_list resumed>) = 0 [pid 4519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4520] rt_sigprocmask(SIG_SETMASK, [], [pid 4519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4520] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4519] <... sendmsg resumed>) = 0 [pid 4520] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 4519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4520] <... setsockopt resumed>) = 0 [pid 4519] <... sendmsg resumed>) = 0 [pid 4520] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4518] <... futex resumed>) = 0 [pid 4519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4520] <... futex resumed>) = 1 [pid 4520] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4519] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 4519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4519] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4519] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4518] exit_group(0 [pid 4519] <... futex resumed>) = ? [pid 4518] <... exit_group resumed>) = ? [pid 4519] +++ exited with 0 +++ [pid 4520] <... futex resumed>) = ? [pid 4520] +++ exited with 0 +++ [pid 4518] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4518, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4521 ./strace-static-x86_64: Process 4521 attached [pid 4521] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4521] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4521] setpgid(0, 0) = 0 [pid 4521] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4521] write(3, "1000", 4) = 4 [pid 4521] close(3) = 0 [pid 4521] write(1, "executing program\n", 18executing program ) = 18 [pid 4521] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4521] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4521] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4521] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4521] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4521] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4521] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[4522]}, 88) = 4522 ./strace-static-x86_64: Process 4522 attached [pid 4521] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4521] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4521] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4522] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4522] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4522] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4522] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4521] <... futex resumed>) = 0 [pid 4521] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4521] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4521] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4521] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 4522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4521] <... mprotect resumed>) = 0 [pid 4522] <... sendmsg resumed>) = 0 [pid 4521] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4521] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0}./strace-static-x86_64: Process 4523 attached [pid 4522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4521] <... clone3 resumed> => {parent_tid=[4523]}, 88) = 4523 [pid 4521] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4521] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4521] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4523] set_robust_list(0x7f857e3e29a0, 24 [pid 4522] <... sendmsg resumed>) = 0 [pid 4523] <... set_robust_list resumed>) = 0 [pid 4522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4523] rt_sigprocmask(SIG_SETMASK, [], [pid 4522] <... sendmsg resumed>) = 0 [pid 4523] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4523] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 4522] <... sendmsg resumed>) = 0 [pid 4522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4523] <... setsockopt resumed>) = 0 [pid 4522] <... sendmsg resumed>) = 0 [pid 4523] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4523] <... futex resumed>) = 1 [pid 4522] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 4521] <... futex resumed>) = 0 [pid 4523] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4522] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4522] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4521] exit_group(0 [pid 4523] <... futex resumed>) = ? [pid 4522] <... futex resumed>) = ? [pid 4521] <... exit_group resumed>) = ? [pid 4523] +++ exited with 0 +++ [pid 4522] +++ exited with 0 +++ [pid 4521] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4521, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4524 ./strace-static-x86_64: Process 4524 attached [pid 4524] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4524] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4524] setpgid(0, 0) = 0 [pid 4524] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4524] write(3, "1000", 4) = 4 [pid 4524] close(3) = 0 [pid 4524] write(1, "executing program\n", 18executing program ) = 18 [pid 4524] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4524] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4524] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4524] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4524] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4524] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4524] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4525 attached => {parent_tid=[4525]}, 88) = 4525 [pid 4525] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4525] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4525] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4524] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4524] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4525] <... futex resumed>) = 0 [pid 4525] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 4524] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4525] <... socketpair resumed>[3, 4]) = 0 [pid 4525] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4525] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4524] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4524] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4525] <... futex resumed>) = 0 [pid 4525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4524] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4525] <... sendmsg resumed>) = 0 [pid 4525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4524] <... futex resumed>) = 0 [pid 4525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4525] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4525] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4524] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4524] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4524] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4524] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0}./strace-static-x86_64: Process 4526 attached => {parent_tid=[4526]}, 88) = 4526 [pid 4526] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4526] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4526] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4524] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4524] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4526] <... futex resumed>) = 0 [pid 4526] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4526] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4526] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4524] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 4524] exit_group(0 [pid 4525] <... futex resumed>) = ? [pid 4524] <... exit_group resumed>) = ? [pid 4525] +++ exited with 0 +++ [pid 4526] <... futex resumed>) = ? [pid 4526] +++ exited with 0 +++ [pid 4524] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4524, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4527 ./strace-static-x86_64: Process 4527 attached [pid 4527] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4527] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4527] setpgid(0, 0) = 0 [pid 4527] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4527] write(3, "1000", 4) = 4 [pid 4527] close(3) = 0 [pid 4527] write(1, "executing program\n", 18executing program ) = 18 [pid 4527] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4527] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4527] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4527] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4527] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4527] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4527] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4528 attached => {parent_tid=[4528]}, 88) = 4528 [pid 4528] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4528] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4528] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4527] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4527] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4528] <... futex resumed>) = 0 [pid 4527] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4528] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4528] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4528] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4527] <... futex resumed>) = 0 [pid 4527] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4527] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4527] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4527] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4527] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4527] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[4529]}, 88) = 4529 [pid 4528] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4527] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4527] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4527] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4529 attached [pid 4529] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4529] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4529] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4529] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4527] <... futex resumed>) = 0 [pid 4529] <... futex resumed>) = 1 [pid 4529] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4528] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4528] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4527] exit_group(0) = ? [pid 4528] <... futex resumed>) = 231 [pid 4529] <... futex resumed>) = ? [pid 4528] +++ exited with 0 +++ [pid 4529] +++ exited with 0 +++ [pid 4527] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4527, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4530 attached , child_tidptr=0x55555bbac690) = 4530 [pid 4530] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4530] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4530] setpgid(0, 0) = 0 [pid 4530] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4530] write(3, "1000", 4) = 4 [pid 4530] close(3) = 0 [pid 4530] write(1, "executing program\n", 18executing program ) = 18 [pid 4530] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4530] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4530] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4530] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4530] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4530] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4530] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4531 attached => {parent_tid=[4531]}, 88) = 4531 [pid 4531] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4531] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4531] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4530] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4530] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4531] <... futex resumed>) = 0 [pid 4531] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4531] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4531] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4530] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 4530] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4531] <... futex resumed>) = 0 [pid 4531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4530] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4530] <... futex resumed>) = 0 [pid 4531] <... sendmsg resumed>) = 0 [pid 4531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4530] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4531] <... sendmsg resumed>) = 0 [pid 4531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4531] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4531] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4530] <... mmap resumed>) = 0x7f857e3c2000 [pid 4530] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4530] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4530] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0}./strace-static-x86_64: Process 4532 attached [pid 4532] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4532] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4532] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4530] <... clone3 resumed> => {parent_tid=[4532]}, 88) = 4532 [pid 4530] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4530] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4532] <... futex resumed>) = 0 [pid 4532] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4532] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4532] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4530] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 4530] exit_group(0) = ? [pid 4531] <... futex resumed>) = ? [pid 4531] +++ exited with 0 +++ [pid 4532] <... futex resumed>) = ? [pid 4532] +++ exited with 0 +++ [pid 4530] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4530, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>executing program ) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4533 ./strace-static-x86_64: Process 4533 attached [pid 4533] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4533] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4533] setpgid(0, 0) = 0 [pid 4533] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4533] write(3, "1000", 4) = 4 [pid 4533] close(3) = 0 [pid 4533] write(1, "executing program\n", 18) = 18 [pid 4533] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4533] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4533] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4533] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4533] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4533] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4533] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4534 attached => {parent_tid=[4534]}, 88) = 4534 [pid 4534] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4534] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4534] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4533] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4533] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 4534] <... futex resumed>) = 0 [pid 4533] <... futex resumed>) = 1 [pid 4534] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 4533] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4534] <... socketpair resumed>[3, 4]) = 0 [pid 4534] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4533] <... futex resumed>) = 0 [pid 4533] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4533] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4533] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4533] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4533] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4533] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4533] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[4535]}, 88) = 4535 [pid 4534] <... sendmsg resumed>) = 0 [pid 4533] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4533] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4533] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4535 attached [pid 4535] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4535] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4535] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4535] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4533] <... futex resumed>) = 0 [pid 4534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4535] <... futex resumed>) = 1 [pid 4535] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4534] <... sendmsg resumed>) = 0 [pid 4534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4534] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4533] exit_group(0) = ? [pid 4535] <... futex resumed>) = ? [pid 4534] <... futex resumed>) = ? [pid 4535] +++ exited with 0 +++ [pid 4534] +++ exited with 0 +++ [pid 4533] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4533, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4536 ./strace-static-x86_64: Process 4536 attached [pid 4536] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4536] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4536] setpgid(0, 0) = 0 [pid 4536] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4536] write(3, "1000", 4) = 4 [pid 4536] close(3) = 0 [pid 4536] write(1, "executing program\n", 18executing program ) = 18 [pid 4536] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4536] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4536] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4536] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4536] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4536] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4536] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4537 attached => {parent_tid=[4537]}, 88) = 4537 [pid 4537] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4537] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4537] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4536] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4536] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4537] <... futex resumed>) = 0 [pid 4537] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4536] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4537] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4536] <... futex resumed>) = 0 [pid 4536] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4536] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4536] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4536] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4536] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4536] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4537] <... sendmsg resumed>) = 0 [pid 4537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4536] <... clone3 resumed> => {parent_tid=[4538]}, 88) = 4538 [pid 4536] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4536] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4536] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4537] <... sendmsg resumed>) = 0 ./strace-static-x86_64: Process 4538 attached [pid 4538] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4538] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4538] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4538] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4536] <... futex resumed>) = 0 [pid 4537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4538] <... futex resumed>) = 1 [pid 4538] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4537] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4537] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4536] exit_group(0 [pid 4538] <... futex resumed>) = ? [pid 4537] <... futex resumed>) = ? [pid 4536] <... exit_group resumed>) = ? [pid 4537] +++ exited with 0 +++ [pid 4538] +++ exited with 0 +++ [pid 4536] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4536, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4539 attached , child_tidptr=0x55555bbac690) = 4539 [pid 4539] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4539] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4539] setpgid(0, 0) = 0 [pid 4539] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4539] write(3, "1000", 4) = 4 [pid 4539] close(3) = 0 executing program [pid 4539] write(1, "executing program\n", 18) = 18 [pid 4539] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4539] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4539] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4539] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4539] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4539] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4539] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[4540]}, 88) = 4540 [pid 4539] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4539] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4539] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4540 attached [pid 4540] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4540] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4540] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4540] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4539] <... futex resumed>) = 0 [pid 4539] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4539] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4539] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4539] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4539] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4539] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[4541]}, 88) = 4541 [pid 4539] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4539] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4539] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4540] <... futex resumed>) = 1 [pid 4540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 ./strace-static-x86_64: Process 4541 attached [pid 4541] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4541] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4541] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4541] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4539] <... futex resumed>) = 0 [pid 4541] <... futex resumed>) = 1 [pid 4541] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4540] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4540] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4539] exit_group(0) = ? [pid 4540] <... futex resumed>) = ? [pid 4540] +++ exited with 0 +++ [pid 4541] <... futex resumed>) = ? [pid 4541] +++ exited with 0 +++ [pid 4539] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4539, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4542 ./strace-static-x86_64: Process 4542 attached [pid 4542] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4542] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4542] setpgid(0, 0) = 0 [pid 4542] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4542] write(3, "1000", 4) = 4 [pid 4542] close(3) = 0 [pid 4542] write(1, "executing program\n", 18executing program ) = 18 [pid 4542] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4542] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4542] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4542] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4542] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4542] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4542] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[4543]}, 88) = 4543 [pid 4542] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4542] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4542] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4543 attached [pid 4543] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4543] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4543] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4543] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4542] <... futex resumed>) = 0 [pid 4542] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4542] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4542] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4542] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4542] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4542] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[4544]}, 88) = 4544 [pid 4542] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4542] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4542] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4543] <... futex resumed>) = 1 [pid 4543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0./strace-static-x86_64: Process 4544 attached ) = 0 [pid 4544] set_robust_list(0x7f857e3e29a0, 24 [pid 4543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4544] <... set_robust_list resumed>) = 0 [pid 4543] <... sendmsg resumed>) = 0 [pid 4544] rt_sigprocmask(SIG_SETMASK, [], [pid 4543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4544] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4543] <... sendmsg resumed>) = 0 [pid 4544] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 4543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4544] <... setsockopt resumed>) = 0 [pid 4543] <... sendmsg resumed>) = 0 [pid 4544] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4544] <... futex resumed>) = 1 [pid 4542] <... futex resumed>) = 0 [pid 4544] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4543] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 4543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4543] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4543] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4542] exit_group(0 [pid 4543] <... futex resumed>) = ? [pid 4542] <... exit_group resumed>) = ? [pid 4543] +++ exited with 0 +++ [pid 4544] <... futex resumed>) = ? [pid 4544] +++ exited with 0 +++ [pid 4542] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4542, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program , child_tidptr=0x55555bbac690) = 4545 ./strace-static-x86_64: Process 4545 attached [pid 4545] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4545] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4545] setpgid(0, 0) = 0 [pid 4545] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4545] write(3, "1000", 4) = 4 [pid 4545] close(3) = 0 [pid 4545] write(1, "executing program\n", 18) = 18 [pid 4545] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4545] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4545] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4545] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4545] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4545] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4545] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4546 attached => {parent_tid=[4546]}, 88) = 4546 [pid 4546] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4546] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4546] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4545] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4545] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4546] <... futex resumed>) = 0 [pid 4546] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4545] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4546] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4546] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4545] <... futex resumed>) = 0 [pid 4545] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4546] <... futex resumed>) = 0 [pid 4545] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4545] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4545] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4545] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4545] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4545] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[4547]}, 88) = 4547 [pid 4545] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4545] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4545] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4547 attached [pid 4547] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4547] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4547] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4547] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4545] <... futex resumed>) = 0 [pid 4547] <... futex resumed>) = 1 [pid 4547] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4546] <... sendmsg resumed>) = 0 [pid 4546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4546] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4546] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4545] exit_group(0) = ? [pid 4546] <... futex resumed>) = ? [pid 4546] +++ exited with 0 +++ [pid 4547] <... futex resumed>) = ? [pid 4547] +++ exited with 0 +++ [pid 4545] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4545, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4548 ./strace-static-x86_64: Process 4548 attached [pid 4548] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4548] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4548] setpgid(0, 0) = 0 [pid 4548] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4548] write(3, "1000", 4) = 4 [pid 4548] close(3) = 0 executing program [pid 4548] write(1, "executing program\n", 18) = 18 [pid 4548] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4548] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4548] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4548] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4548] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4548] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4548] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[4549]}, 88) = 4549 ./strace-static-x86_64: Process 4549 attached [pid 4548] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4548] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4548] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4549] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4549] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4549] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4549] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4548] <... futex resumed>) = 0 [pid 4548] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4548] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4548] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4548] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4548] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4548] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4548] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4549] <... sendmsg resumed>) = 0 ./strace-static-x86_64: Process 4550 attached [pid 4550] set_robust_list(0x7f857e3e29a0, 24 [pid 4548] <... clone3 resumed> => {parent_tid=[4550]}, 88) = 4550 [pid 4550] <... set_robust_list resumed>) = 0 [pid 4548] rt_sigprocmask(SIG_SETMASK, [], [pid 4550] rt_sigprocmask(SIG_SETMASK, [], [pid 4548] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4550] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4548] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 4550] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 4548] <... futex resumed>) = 0 [pid 4550] <... setsockopt resumed>) = 0 [pid 4550] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4548] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4550] <... futex resumed>) = 0 [pid 4548] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4550] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4549] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4549] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4548] exit_group(0 [pid 4549] <... futex resumed>) = ? [pid 4550] <... futex resumed>) = 231 [pid 4548] <... exit_group resumed>) = ? [pid 4549] +++ exited with 0 +++ [pid 4550] +++ exited with 0 +++ [pid 4548] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4548, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4551 attached , child_tidptr=0x55555bbac690) = 4551 [pid 4551] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4551] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4551] setpgid(0, 0) = 0 [pid 4551] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4551] write(3, "1000", 4) = 4 [pid 4551] close(3) = 0 [pid 4551] write(1, "executing program\n", 18executing program ) = 18 [pid 4551] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4551] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4551] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4551] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4551] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4551] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4551] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4552 attached => {parent_tid=[4552]}, 88) = 4552 [pid 4552] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4552] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4552] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4551] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4551] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4552] <... futex resumed>) = 0 [pid 4552] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4551] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4552] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4552] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4551] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4551] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4552] <... futex resumed>) = 0 [pid 4552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4551] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4551] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4551] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 4552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4551] <... mprotect resumed>) = 0 [pid 4552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4551] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4552] <... sendmsg resumed>) = 0 [pid 4551] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4551] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4552] <... sendmsg resumed>) = 0 [pid 4552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 ./strace-static-x86_64: Process 4553 attached [pid 4552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4553] set_robust_list(0x7f857e3e29a0, 24 [pid 4551] <... clone3 resumed> => {parent_tid=[4553]}, 88) = 4553 [pid 4552] <... sendmsg resumed>) = 0 [pid 4552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4553] <... set_robust_list resumed>) = 0 [pid 4551] rt_sigprocmask(SIG_SETMASK, [], [pid 4552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4553] rt_sigprocmask(SIG_SETMASK, [], [pid 4552] <... sendmsg resumed>) = 0 [pid 4551] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4553] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4551] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 4552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4553] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 4551] <... futex resumed>) = 0 [pid 4552] <... sendmsg resumed>) = 0 [pid 4552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4553] <... setsockopt resumed>) = 0 [pid 4551] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4552] <... sendmsg resumed>) = 0 [pid 4552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4553] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4552] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 4552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4553] <... futex resumed>) = 1 [pid 4551] <... futex resumed>) = 0 [pid 4552] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 4552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4552] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4552] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4553] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4551] exit_group(0 [pid 4553] <... futex resumed>) = ? [pid 4551] <... exit_group resumed>) = ? [pid 4552] <... futex resumed>) = ? [pid 4552] +++ exited with 0 +++ [pid 4553] +++ exited with 0 +++ [pid 4551] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4551, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4554 attached , child_tidptr=0x55555bbac690) = 4554 [pid 4554] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4554] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4554] setpgid(0, 0) = 0 [pid 4554] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4554] write(3, "1000", 4) = 4 [pid 4554] close(3) = 0 [pid 4554] write(1, "executing program\n", 18executing program ) = 18 [pid 4554] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4554] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4554] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4554] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4554] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4554] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4554] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4555 attached => {parent_tid=[4555]}, 88) = 4555 [pid 4555] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4555] rt_sigprocmask(SIG_SETMASK, [], [pid 4554] rt_sigprocmask(SIG_SETMASK, [], [pid 4555] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4555] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4554] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4554] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4555] <... futex resumed>) = 0 [pid 4554] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4555] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4555] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4555] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4554] <... futex resumed>) = 0 [pid 4554] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4554] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4554] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4555] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4554] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 4555] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4554] <... mprotect resumed>) = 0 [pid 4554] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4554] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4555] <... sendmsg resumed>) = 0 [pid 4555] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4554] <... clone3 resumed> => {parent_tid=[4556]}, 88) = 4556 [pid 4555] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4554] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4554] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4554] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4556 attached [pid 4556] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4556] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4556] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4555] <... sendmsg resumed>) = 0 [pid 4556] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4554] <... futex resumed>) = 0 [pid 4555] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4556] <... futex resumed>) = 1 [pid 4556] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4555] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 4555] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4555] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4555] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4555] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4555] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4555] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4555] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4555] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4555] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4555] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4555] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4555] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4555] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4555] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4555] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4555] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4555] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4555] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4555] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4555] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4555] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4555] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4555] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4555] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4555] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4555] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4555] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4555] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4555] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4555] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4555] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4554] exit_group(0) = ? [pid 4555] <... futex resumed>) = ? [pid 4555] +++ exited with 0 +++ [pid 4556] <... futex resumed>) = ? [pid 4556] +++ exited with 0 +++ [pid 4554] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4554, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4557 attached , child_tidptr=0x55555bbac690) = 4557 [pid 4557] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4557] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4557] setpgid(0, 0) = 0 [pid 4557] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4557] write(3, "1000", 4) = 4 [pid 4557] close(3) = 0 [pid 4557] write(1, "executing program\n", 18executing program ) = 18 [pid 4557] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4557] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4557] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4557] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4557] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4557] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4557] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4558 attached [pid 4558] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4558] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4558] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4557] <... clone3 resumed> => {parent_tid=[4558]}, 88) = 4558 [pid 4557] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4557] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4558] <... futex resumed>) = 0 [pid 4558] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4558] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4558] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4557] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 4557] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4558] <... futex resumed>) = 0 [pid 4558] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4558] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4558] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4558] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4558] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4558] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4558] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4558] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4558] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4558] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4558] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4558] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4558] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4558] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4558] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4558] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4558] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4558] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4558] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4558] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4558] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4558] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4558] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4558] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4558] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4558] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4558] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4558] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4558] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4558] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4558] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4558] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4558] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4558] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4558] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4557] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4558] <... futex resumed>) = 0 [pid 4558] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4558] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4558] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4557] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 4557] exit_group(0) = ? [pid 4558] <... futex resumed>) = ? [pid 4558] +++ exited with 0 +++ [pid 4557] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4557, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4559 attached [pid 4559] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4559] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 524] <... clone resumed>, child_tidptr=0x55555bbac690) = 4559 [pid 4559] <... prctl resumed>) = 0 [pid 4559] setpgid(0, 0) = 0 [pid 4559] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4559] write(3, "1000", 4) = 4 [pid 4559] close(3) = 0 [pid 4559] write(1, "executing program\n", 18executing program ) = 18 [pid 4559] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4559] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4559] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4559] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4559] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4559] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4559] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4560 attached => {parent_tid=[4560]}, 88) = 4560 [pid 4560] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4560] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4560] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4559] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4559] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4560] <... futex resumed>) = 0 [pid 4560] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 4559] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4560] <... socketpair resumed>[3, 4]) = 0 [pid 4560] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4559] <... futex resumed>) = 0 [pid 4559] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4559] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4559] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4559] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4559] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4559] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[4561]}, 88) = 4561 [pid 4559] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4559] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4559] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4561 attached [pid 4561] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4561] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4561] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4561] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4559] <... futex resumed>) = 0 [pid 4561] <... futex resumed>) = 1 [pid 4561] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4560] <... sendmsg resumed>) = 0 [pid 4560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4560] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4560] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4559] exit_group(0) = ? [pid 4560] <... futex resumed>) = ? [pid 4561] <... futex resumed>) = 231 [pid 4560] +++ exited with 0 +++ [pid 4561] +++ exited with 0 +++ [pid 4559] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4559, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4562 ./strace-static-x86_64: Process 4562 attached [pid 4562] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4562] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4562] setpgid(0, 0) = 0 [pid 4562] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4562] write(3, "1000", 4executing program ) = 4 [pid 4562] close(3) = 0 [pid 4562] write(1, "executing program\n", 18) = 18 [pid 4562] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4562] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4562] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4562] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4562] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4562] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4562] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[4563]}, 88) = 4563 [pid 4562] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4562] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4562] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4563 attached [pid 4563] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4563] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4563] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4563] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4562] <... futex resumed>) = 0 [pid 4563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4562] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4563] <... sendmsg resumed>) = 0 [pid 4562] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4562] <... futex resumed>) = 0 [pid 4563] <... sendmsg resumed>) = 0 [pid 4562] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4562] <... mmap resumed>) = 0x7f857e3c2000 [pid 4563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4562] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 4563] <... sendmsg resumed>) = 0 [pid 4563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4562] <... mprotect resumed>) = 0 [pid 4563] <... sendmsg resumed>) = 0 [pid 4562] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4562] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4563] <... sendmsg resumed>) = 0 [pid 4562] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0./strace-static-x86_64: Process 4564 attached ) = 0 [pid 4562] <... clone3 resumed> => {parent_tid=[4564]}, 88) = 4564 [pid 4563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4562] rt_sigprocmask(SIG_SETMASK, [], [pid 4564] set_robust_list(0x7f857e3e29a0, 24 [pid 4563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4562] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4563] <... sendmsg resumed>) = 0 [pid 4562] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 4563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4562] <... futex resumed>) = 0 [pid 4563] <... sendmsg resumed>) = 0 [pid 4562] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4564] <... set_robust_list resumed>) = 0 [pid 4563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4564] rt_sigprocmask(SIG_SETMASK, [], [pid 4563] <... sendmsg resumed>) = 0 [pid 4564] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4564] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 4563] <... sendmsg resumed>) = 0 [pid 4564] <... setsockopt resumed>) = 0 [pid 4563] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4564] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4563] <... futex resumed>) = 0 [pid 4562] <... futex resumed>) = 0 [pid 4564] <... futex resumed>) = 1 [pid 4563] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4562] exit_group(0 [pid 4563] <... futex resumed>) = ? [pid 4562] <... exit_group resumed>) = ? [pid 4563] +++ exited with 0 +++ [pid 4564] +++ exited with 0 +++ [pid 4562] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4562, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4565 ./strace-static-x86_64: Process 4565 attached [pid 4565] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4565] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4565] setpgid(0, 0) = 0 [pid 4565] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4565] write(3, "1000", 4) = 4 executing program [pid 4565] close(3) = 0 [pid 4565] write(1, "executing program\n", 18) = 18 [pid 4565] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4565] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4565] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4565] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4565] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4565] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4565] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[4566]}, 88) = 4566 ./strace-static-x86_64: Process 4566 attached [pid 4565] rt_sigprocmask(SIG_SETMASK, [], [pid 4566] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4566] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4566] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4565] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4565] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4566] <... futex resumed>) = 0 [pid 4565] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4566] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4566] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4565] <... futex resumed>) = 0 [pid 4565] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4565] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4565] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4565] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4565] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4565] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4566] <... sendmsg resumed>) = 0 [pid 4565] <... clone3 resumed> => {parent_tid=[4567]}, 88) = 4567 [pid 4565] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4565] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4565] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4567 attached [pid 4567] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4567] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4567] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4567] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4565] <... futex resumed>) = 0 [pid 4567] <... futex resumed>) = 1 [pid 4567] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4566] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4566] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4565] exit_group(0 [pid 4566] <... futex resumed>) = ? [pid 4565] <... exit_group resumed>) = ? [pid 4566] +++ exited with 0 +++ [pid 4567] <... futex resumed>) = ? [pid 4567] +++ exited with 0 +++ [pid 4565] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4565, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4568 ./strace-static-x86_64: Process 4568 attached [pid 4568] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4568] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4568] setpgid(0, 0) = 0 [pid 4568] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4568] write(3, "1000", 4) = 4 [pid 4568] close(3) = 0 [pid 4568] write(1, "executing program\n", 18executing program ) = 18 [pid 4568] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4568] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4568] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4568] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4568] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4568] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4568] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4569 attached => {parent_tid=[4569]}, 88) = 4569 [pid 4569] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4569] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4569] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4568] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4568] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4569] <... futex resumed>) = 0 [pid 4569] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 4568] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4569] <... socketpair resumed>[3, 4]) = 0 [pid 4569] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4569] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4568] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4568] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4569] <... futex resumed>) = 0 [pid 4569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4568] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4569] <... sendmsg resumed>) = 0 [pid 4569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4568] <... futex resumed>) = 0 [pid 4569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4568] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4569] <... sendmsg resumed>) = 0 [pid 4569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4568] <... mmap resumed>) = 0x7f857e3c2000 [pid 4569] <... sendmsg resumed>) = 0 [pid 4569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4568] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 4569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4569] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4569] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4568] <... mprotect resumed>) = 0 [pid 4568] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4568] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0}./strace-static-x86_64: Process 4570 attached [pid 4570] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4570] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4570] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4568] <... clone3 resumed> => {parent_tid=[4570]}, 88) = 4570 [pid 4568] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4568] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4570] <... futex resumed>) = 0 [pid 4570] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4570] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4570] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4568] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 4568] exit_group(0 [pid 4569] <... futex resumed>) = ? [pid 4568] <... exit_group resumed>) = ? [pid 4569] +++ exited with 0 +++ [pid 4570] <... futex resumed>) = ? [pid 4570] +++ exited with 0 +++ [pid 4568] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4568, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4571 ./strace-static-x86_64: Process 4571 attached [pid 4571] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4571] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4571] setpgid(0, 0) = 0 [pid 4571] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4571] write(3, "1000", 4) = 4 [pid 4571] close(3executing program ) = 0 [pid 4571] write(1, "executing program\n", 18) = 18 [pid 4571] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4571] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4571] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4571] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4571] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4571] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4571] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[4572]}, 88) = 4572 [pid 4571] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4571] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4571] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4572 attached [pid 4572] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4572] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4572] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4572] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4571] <... futex resumed>) = 0 [pid 4571] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4571] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4571] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4571] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4571] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4571] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0}./strace-static-x86_64: Process 4573 attached [pid 4572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4571] <... clone3 resumed> => {parent_tid=[4573]}, 88) = 4573 [pid 4571] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4571] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4571] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4573] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4573] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4573] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4573] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4571] <... futex resumed>) = 0 [pid 4573] <... futex resumed>) = 1 [pid 4573] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4572] <... sendmsg resumed>) = 0 [pid 4572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4572] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4572] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4571] exit_group(0 [pid 4572] <... futex resumed>) = ? [pid 4571] <... exit_group resumed>) = ? [pid 4572] +++ exited with 0 +++ [pid 4573] <... futex resumed>) = ? [pid 4573] +++ exited with 0 +++ [pid 4571] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4571, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4574 ./strace-static-x86_64: Process 4574 attached [pid 4574] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4574] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4574] setpgid(0, 0) = 0 [pid 4574] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4574] write(3, "1000", 4) = 4 [pid 4574] close(3) = 0 [pid 4574] write(1, "executing program\n", 18executing program ) = 18 [pid 4574] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4574] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4574] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4574] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4574] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4574] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4574] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4575 attached => {parent_tid=[4575]}, 88) = 4575 [pid 4574] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4574] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4574] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4575] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4575] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4575] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4575] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4574] <... futex resumed>) = 0 [pid 4575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4574] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 4575] <... sendmsg resumed>) = 0 [pid 4574] <... futex resumed>) = 0 [pid 4575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4574] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4575] <... sendmsg resumed>) = 0 [pid 4574] <... futex resumed>) = 0 [pid 4575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4574] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4575] <... sendmsg resumed>) = 0 [pid 4574] <... mmap resumed>) = 0x7f857e3c2000 [pid 4575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4574] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 4575] <... sendmsg resumed>) = 0 [pid 4574] <... mprotect resumed>) = 0 [pid 4575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4574] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4574] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[4576]}, 88) = 4576 [pid 4574] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4574] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4574] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4576 attached [pid 4576] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4576] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4576] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4576] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4574] <... futex resumed>) = 0 [pid 4576] <... futex resumed>) = 1 [pid 4576] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4575] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4574] exit_group(0) = ? [pid 4576] <... futex resumed>) = ? [pid 4576] +++ exited with 0 +++ [pid 4575] +++ exited with 0 +++ [pid 4574] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4574, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4577 ./strace-static-x86_64: Process 4577 attached [pid 4577] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4577] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4577] setpgid(0, 0) = 0 [pid 4577] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4577] write(3, "1000", 4) = 4 executing program [pid 4577] close(3) = 0 [pid 4577] write(1, "executing program\n", 18) = 18 [pid 4577] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4577] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4577] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4577] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4577] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4577] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4577] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4578 attached => {parent_tid=[4578]}, 88) = 4578 [pid 4577] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4577] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4577] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4578] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4578] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4578] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4578] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4578] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4577] <... futex resumed>) = 0 [pid 4577] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4578] <... futex resumed>) = 0 [pid 4578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4577] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4578] <... sendmsg resumed>) = 0 [pid 4578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4577] <... futex resumed>) = 0 [pid 4578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4577] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4578] <... sendmsg resumed>) = 0 [pid 4578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4577] <... mmap resumed>) = 0x7f857e3c2000 [pid 4578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4577] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 4578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4577] <... mprotect resumed>) = 0 [pid 4578] <... sendmsg resumed>) = 0 [pid 4578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4578] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4577] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4578] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4577] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4577] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0}./strace-static-x86_64: Process 4579 attached => {parent_tid=[4579]}, 88) = 4579 [pid 4579] set_robust_list(0x7f857e3e29a0, 24 [pid 4577] rt_sigprocmask(SIG_SETMASK, [], [pid 4579] <... set_robust_list resumed>) = 0 [pid 4577] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4579] rt_sigprocmask(SIG_SETMASK, [], [pid 4577] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 4579] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4577] <... futex resumed>) = 0 [pid 4579] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 4577] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4579] <... setsockopt resumed>) = 0 [pid 4579] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4577] <... futex resumed>) = 0 [pid 4579] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4577] exit_group(0 [pid 4578] <... futex resumed>) = ? [pid 4577] <... exit_group resumed>) = ? [pid 4578] +++ exited with 0 +++ [pid 4579] <... futex resumed>) = ? [pid 4579] +++ exited with 0 +++ [pid 4577] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4577, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4580 ./strace-static-x86_64: Process 4580 attached [pid 4580] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4580] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4580] setpgid(0, 0) = 0 [pid 4580] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4580] write(3, "1000", 4) = 4 [pid 4580] close(3) = 0 [pid 4580] write(1, "executing program\n", 18executing program ) = 18 [pid 4580] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4580] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4580] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4580] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4580] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4580] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4580] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4581 attached => {parent_tid=[4581]}, 88) = 4581 [pid 4581] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4581] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4581] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4580] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4580] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4581] <... futex resumed>) = 0 [pid 4581] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 4580] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4581] <... socketpair resumed>[3, 4]) = 0 [pid 4581] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4581] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4580] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4580] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4581] <... futex resumed>) = 0 [pid 4581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4580] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4580] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4580] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4580] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4580] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4580] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0./strace-static-x86_64: Process 4582 attached ) = 0 [pid 4580] <... clone3 resumed> => {parent_tid=[4582]}, 88) = 4582 [pid 4582] set_robust_list(0x7f857e3e29a0, 24 [pid 4581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4580] rt_sigprocmask(SIG_SETMASK, [], [pid 4582] <... set_robust_list resumed>) = 0 [pid 4581] <... sendmsg resumed>) = 0 [pid 4580] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4582] rt_sigprocmask(SIG_SETMASK, [], [pid 4581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4580] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 4581] <... sendmsg resumed>) = 0 [pid 4580] <... futex resumed>) = 0 [pid 4581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4580] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4581] <... sendmsg resumed>) = 0 [pid 4581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4582] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4582] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 4581] <... sendmsg resumed>) = 0 [pid 4582] <... setsockopt resumed>) = 0 [pid 4581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4582] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4581] <... sendmsg resumed>) = 0 [pid 4581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4580] <... futex resumed>) = 0 [pid 4582] <... futex resumed>) = 1 [pid 4581] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 4582] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4581] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4580] exit_group(0 [pid 4581] ????( [pid 4580] <... exit_group resumed>) = ? [pid 4581] <... ???? resumed>) = 0xe7 [pid 4582] <... futex resumed>) = ? [pid 4581] +++ exited with 0 +++ [pid 4582] +++ exited with 0 +++ [pid 4580] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4580, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4583 ./strace-static-x86_64: Process 4583 attached [pid 4583] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4583] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4583] setpgid(0, 0) = 0 [pid 4583] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4583] write(3, "1000", 4) = 4 [pid 4583] close(3executing program ) = 0 [pid 4583] write(1, "executing program\n", 18) = 18 [pid 4583] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4583] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4583] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4583] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4583] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4583] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4583] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[4584]}, 88) = 4584 [pid 4583] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4583] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4583] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4584 attached [pid 4584] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4584] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4584] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4584] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4583] <... futex resumed>) = 0 [pid 4584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4583] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4584] <... sendmsg resumed>) = 0 [pid 4584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4583] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4584] <... sendmsg resumed>) = 0 [pid 4583] <... futex resumed>) = 0 [pid 4584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4583] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4584] <... sendmsg resumed>) = 0 [pid 4583] <... mmap resumed>) = 0x7f857e3c2000 [pid 4584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4583] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 4584] <... sendmsg resumed>) = 0 [pid 4584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4583] <... mprotect resumed>) = 0 [pid 4583] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4584] <... sendmsg resumed>) = 0 [pid 4583] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4583] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4584] <... sendmsg resumed>) = 0 ./strace-static-x86_64: Process 4585 attached [pid 4584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4583] <... clone3 resumed> => {parent_tid=[4585]}, 88) = 4585 [pid 4583] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4583] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4583] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4585] set_robust_list(0x7f857e3e29a0, 24 [pid 4584] <... sendmsg resumed>) = 0 [pid 4585] <... set_robust_list resumed>) = 0 [pid 4584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4585] rt_sigprocmask(SIG_SETMASK, [], [pid 4584] <... sendmsg resumed>) = 0 [pid 4585] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4585] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 4584] <... sendmsg resumed>) = 0 [pid 4585] <... setsockopt resumed>) = 0 [pid 4584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4585] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4584] <... sendmsg resumed>) = 0 [pid 4584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4585] <... futex resumed>) = 1 [pid 4584] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 4583] <... futex resumed>) = 0 [pid 4585] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4584] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4584] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4583] exit_group(0 [pid 4584] <... futex resumed>) = ? [pid 4583] <... exit_group resumed>) = ? [pid 4584] +++ exited with 0 +++ [pid 4585] <... futex resumed>) = ? [pid 4585] +++ exited with 0 +++ [pid 4583] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4583, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4586 ./strace-static-x86_64: Process 4586 attached [pid 4586] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4586] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4586] setpgid(0, 0) = 0 [pid 4586] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4586] write(3, "1000", 4) = 4 [pid 4586] close(3) = 0 [pid 4586] write(1, "executing program\n", 18executing program ) = 18 [pid 4586] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4586] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4586] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4586] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4586] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4586] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4586] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4587 attached => {parent_tid=[4587]}, 88) = 4587 [pid 4587] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4587] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4587] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4586] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4586] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4587] <... futex resumed>) = 0 [pid 4587] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4587] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4587] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4586] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 4586] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4587] <... futex resumed>) = 0 [pid 4587] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4586] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4587] <... sendmsg resumed>) = 0 [pid 4587] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4587] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4587] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4587] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4586] <... futex resumed>) = 0 [pid 4586] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4587] <... sendmsg resumed>) = 0 [pid 4587] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4587] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4587] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4586] <... mmap resumed>) = 0x7f857e3c2000 [pid 4587] <... sendmsg resumed>) = 0 [pid 4587] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4587] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4587] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4587] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4587] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4587] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4586] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 4587] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4587] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4587] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4587] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4587] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4587] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4587] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4587] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4586] <... mprotect resumed>) = 0 [pid 4587] <... sendmsg resumed>) = 0 [pid 4586] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4587] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4587] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4586] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4587] <... sendmsg resumed>) = 0 [pid 4587] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4587] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4586] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4587] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4587] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4587] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4587] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4587] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0./strace-static-x86_64: Process 4588 attached ) = 0 [pid 4586] <... clone3 resumed> => {parent_tid=[4588]}, 88) = 4588 [pid 4586] rt_sigprocmask(SIG_SETMASK, [], [pid 4587] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4586] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4586] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4587] <... sendmsg resumed>) = 0 [pid 4586] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4587] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4587] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4587] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4588] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4588] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4588] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4588] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4586] <... futex resumed>) = 0 [pid 4586] exit_group(0) = ? [pid 4587] <... futex resumed>) = ? [pid 4587] +++ exited with 0 +++ [pid 4588] +++ exited with 0 +++ [pid 4586] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4586, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4589 ./strace-static-x86_64: Process 4589 attached [pid 4589] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4589] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4589] setpgid(0, 0) = 0 [pid 4589] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4589] write(3, "1000", 4) = 4 executing program [pid 4589] close(3) = 0 [pid 4589] write(1, "executing program\n", 18) = 18 [pid 4589] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4589] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4589] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4589] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4589] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4589] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4589] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4590 attached => {parent_tid=[4590]}, 88) = 4590 [pid 4589] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4589] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4589] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4590] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4590] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4590] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4590] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4589] <... futex resumed>) = 0 [pid 4589] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4589] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4589] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4589] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4589] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4589] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4590] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4589] <... clone3 resumed> => {parent_tid=[4591]}, 88) = 4591 [pid 4589] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4589] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4589] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4591 attached [pid 4591] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4591] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4591] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4591] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4589] <... futex resumed>) = 0 [pid 4591] <... futex resumed>) = 1 [pid 4591] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4590] <... sendmsg resumed>) = 0 [pid 4590] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4590] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4590] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4590] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4590] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4590] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4590] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4590] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4590] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4590] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4590] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4590] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4590] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4590] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4590] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4590] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4590] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4590] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4590] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4590] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4590] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4590] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4590] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4590] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4590] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4590] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4590] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4590] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4590] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4590] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4590] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4590] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4590] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4590] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4589] exit_group(0 [pid 4590] <... futex resumed>) = ? [pid 4589] <... exit_group resumed>) = ? [pid 4591] <... futex resumed>) = ? [pid 4590] +++ exited with 0 +++ [pid 4591] +++ exited with 0 +++ [pid 4589] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4589, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4592 ./strace-static-x86_64: Process 4592 attached [pid 4592] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4592] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4592] setpgid(0, 0) = 0 [pid 4592] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4592] write(3, "1000", 4) = 4 [pid 4592] close(3) = 0 [pid 4592] write(1, "executing program\n", 18executing program ) = 18 [pid 4592] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4592] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4592] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4592] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4592] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4592] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4592] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4593 attached => {parent_tid=[4593]}, 88) = 4593 [pid 4593] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4593] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4593] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4592] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4592] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4593] <... futex resumed>) = 0 [pid 4593] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4593] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4593] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4592] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 4592] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4593] <... futex resumed>) = 0 [pid 4593] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4593] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4593] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4593] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4593] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4593] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4593] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4593] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4593] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4592] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4593] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4593] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4593] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4593] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4593] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4593] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4593] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4593] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4593] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4593] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4593] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4593] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4593] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4593] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4593] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4593] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4593] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4593] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4593] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4593] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4593] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4593] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4593] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4593] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4593] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4593] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4592] <... futex resumed>) = 0 [pid 4592] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4592] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4592] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4592] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0}./strace-static-x86_64: Process 4594 attached [pid 4594] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4594] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4594] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4592] <... clone3 resumed> => {parent_tid=[4594]}, 88) = 4594 [pid 4592] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4592] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4594] <... futex resumed>) = 0 [pid 4594] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4594] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4594] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4592] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 4592] exit_group(0) = ? [pid 4593] <... futex resumed>) = ? [pid 4593] +++ exited with 0 +++ [pid 4594] <... futex resumed>) = ? [pid 4594] +++ exited with 0 +++ [pid 4592] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4592, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4595 ./strace-static-x86_64: Process 4595 attached [pid 4595] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4595] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4595] setpgid(0, 0) = 0 [pid 4595] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4595] write(3, "1000", 4) = 4 [pid 4595] close(3) = 0 [pid 4595] write(1, "executing program\n", 18executing program ) = 18 [pid 4595] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4595] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4595] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4595] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4595] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4595] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4595] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4596 attached [pid 4596] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4596] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4596] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4595] <... clone3 resumed> => {parent_tid=[4596]}, 88) = 4596 [pid 4595] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4595] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4596] <... futex resumed>) = 0 [pid 4596] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4596] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4596] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4595] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 4595] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4596] <... futex resumed>) = 0 [pid 4596] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4596] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4596] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4596] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4596] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4595] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4596] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4596] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4596] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4596] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4596] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4596] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4596] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4595] <... futex resumed>) = 0 [pid 4596] <... sendmsg resumed>) = 0 [pid 4596] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4596] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4596] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4596] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4596] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4596] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4596] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4596] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4596] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4596] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4596] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4596] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4596] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4596] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4596] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4596] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4596] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4596] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4596] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4596] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4596] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4596] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4596] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4595] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4595] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4595] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4595] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0}./strace-static-x86_64: Process 4597 attached [pid 4597] set_robust_list(0x7f857e3e29a0, 24 [pid 4595] <... clone3 resumed> => {parent_tid=[4597]}, 88) = 4597 [pid 4597] <... set_robust_list resumed>) = 0 [pid 4597] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4597] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4595] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4595] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4597] <... futex resumed>) = 0 [pid 4595] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4597] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4597] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4597] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4595] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4595] exit_group(0 [pid 4596] <... futex resumed>) = ? [pid 4595] <... exit_group resumed>) = ? [pid 4596] +++ exited with 0 +++ [pid 4597] <... futex resumed>) = ? [pid 4597] +++ exited with 0 +++ [pid 4595] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4595, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4598 ./strace-static-x86_64: Process 4598 attached [pid 4598] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4598] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4598] setpgid(0, 0) = 0 [pid 4598] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4598] write(3, "1000", 4) = 4 executing program [pid 4598] close(3) = 0 [pid 4598] write(1, "executing program\n", 18) = 18 [pid 4598] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4598] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4598] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4598] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4598] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4598] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4598] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[4599]}, 88) = 4599 [pid 4598] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4598] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4598] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4599 attached [pid 4599] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4599] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4599] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4599] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4598] <... futex resumed>) = 0 [pid 4598] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4598] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4598] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4598] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 4599] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4598] <... mprotect resumed>) = 0 [pid 4598] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4598] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[4600]}, 88) = 4600 [pid 4599] <... sendmsg resumed>) = 0 [pid 4598] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4598] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4598] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4600 attached [pid 4600] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4600] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4600] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4600] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4598] <... futex resumed>) = 0 [pid 4600] <... futex resumed>) = 1 [pid 4600] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4599] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4599] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4599] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4599] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4599] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4599] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4599] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4599] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4599] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4599] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4599] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4599] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4599] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4599] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4599] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4599] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4599] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4599] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4599] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4599] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4599] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4599] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4599] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4599] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4599] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4599] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4599] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4599] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4599] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4599] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4599] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4599] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4599] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4599] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4598] exit_group(0 [pid 4600] <... futex resumed>) = ? [pid 4599] <... futex resumed>) = ? [pid 4598] <... exit_group resumed>) = ? [pid 4600] +++ exited with 0 +++ [pid 4599] +++ exited with 0 +++ [pid 4598] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4598, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4601 ./strace-static-x86_64: Process 4601 attached [pid 4601] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4601] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4601] setpgid(0, 0) = 0 [pid 4601] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4601] write(3, "1000", 4) = 4 [pid 4601] close(3) = 0 [pid 4601] write(1, "executing program\n", 18executing program ) = 18 [pid 4601] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4601] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4601] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4601] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4601] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4601] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4601] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4602 attached => {parent_tid=[4602]}, 88) = 4602 [pid 4602] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4602] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4602] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4601] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4601] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4602] <... futex resumed>) = 0 [pid 4602] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 4601] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4602] <... socketpair resumed>[3, 4]) = 0 [pid 4602] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4602] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4601] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4601] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4602] <... futex resumed>) = 0 [pid 4602] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4602] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4602] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4601] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4602] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4602] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4602] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4602] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4602] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4601] <... futex resumed>) = 0 [pid 4601] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4602] <... sendmsg resumed>) = 0 [pid 4602] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4602] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4602] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4602] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4601] <... mmap resumed>) = 0x7f857e3c2000 [pid 4602] <... sendmsg resumed>) = 0 [pid 4602] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4601] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 4602] <... sendmsg resumed>) = 0 [pid 4602] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4602] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4602] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4602] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4602] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4602] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4601] <... mprotect resumed>) = 0 [pid 4602] <... sendmsg resumed>) = 0 [pid 4601] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4602] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4601] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4601] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4602] <... sendmsg resumed>) = 0 [pid 4602] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4602] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4601] <... clone3 resumed> => {parent_tid=[4603]}, 88) = 4603 [pid 4601] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4602] <... sendmsg resumed>) = 0 [pid 4601] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 4602] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4601] <... futex resumed>) = 0 [pid 4601] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4602] <... sendmsg resumed>) = 0 [pid 4602] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 ./strace-static-x86_64: Process 4603 attached [pid 4602] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4602] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4603] set_robust_list(0x7f857e3e29a0, 24 [pid 4602] <... sendmsg resumed>) = 0 [pid 4602] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4602] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4602] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4602] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4603] <... set_robust_list resumed>) = 0 [pid 4602] <... sendmsg resumed>) = 0 [pid 4602] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4602] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4602] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4602] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4603] rt_sigprocmask(SIG_SETMASK, [], [pid 4602] <... futex resumed>) = 0 [pid 4602] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4603] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4603] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4603] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4601] <... futex resumed>) = 0 [pid 4601] exit_group(0) = ? [pid 4602] <... futex resumed>) = ? [pid 4602] +++ exited with 0 +++ [pid 4603] +++ exited with 0 +++ [pid 4601] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4601, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4604 ./strace-static-x86_64: Process 4604 attached [pid 4604] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4604] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4604] setpgid(0, 0) = 0 [pid 4604] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4604] write(3, "1000", 4) = 4 executing program [pid 4604] close(3) = 0 [pid 4604] write(1, "executing program\n", 18) = 18 [pid 4604] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4604] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4604] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4604] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4604] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4604] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4604] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4605 attached => {parent_tid=[4605]}, 88) = 4605 [pid 4605] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4605] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4605] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4604] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4604] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4605] <... futex resumed>) = 0 [pid 4605] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4604] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4605] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4605] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4604] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4604] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4605] <... futex resumed>) = 0 [pid 4605] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4605] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4605] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4605] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4605] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4604] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4605] <... sendmsg resumed>) = 0 [pid 4605] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4605] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4605] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4605] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4604] <... futex resumed>) = 0 [pid 4605] <... sendmsg resumed>) = 0 [pid 4605] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4604] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4605] <... sendmsg resumed>) = 0 [pid 4605] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4605] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4605] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4604] <... mmap resumed>) = 0x7f857e3c2000 [pid 4605] <... sendmsg resumed>) = 0 [pid 4605] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4605] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4605] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4604] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 4605] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4605] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4605] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4605] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4605] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4604] <... mprotect resumed>) = 0 [pid 4605] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4605] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4605] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4604] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4605] <... sendmsg resumed>) = 0 [pid 4605] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4605] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4605] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4605] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4605] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4604] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4605] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4604] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4605] <... sendmsg resumed>) = 0 [pid 4605] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4605] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4605] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4605] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4605] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 4606 attached [pid 4604] <... clone3 resumed> => {parent_tid=[4606]}, 88) = 4606 [pid 4606] set_robust_list(0x7f857e3e29a0, 24 [pid 4604] rt_sigprocmask(SIG_SETMASK, [], [pid 4606] <... set_robust_list resumed>) = 0 [pid 4604] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4606] rt_sigprocmask(SIG_SETMASK, [], [pid 4604] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 4606] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4604] <... futex resumed>) = 0 [pid 4604] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4606] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4606] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4604] <... futex resumed>) = 0 [pid 4604] exit_group(0 [pid 4605] <... futex resumed>) = ? [pid 4604] <... exit_group resumed>) = ? [pid 4605] +++ exited with 0 +++ [pid 4606] +++ exited with 0 +++ [pid 4604] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4604, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4607 ./strace-static-x86_64: Process 4607 attached [pid 4607] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4607] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4607] setpgid(0, 0) = 0 [pid 4607] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4607] write(3, "1000", 4) = 4 [pid 4607] close(3) = 0 [pid 4607] write(1, "executing program\n", 18executing program ) = 18 [pid 4607] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4607] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4607] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4607] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4607] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4607] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4607] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4608 attached => {parent_tid=[4608]}, 88) = 4608 [pid 4608] set_robust_list(0x7f857e4039a0, 24 [pid 4607] rt_sigprocmask(SIG_SETMASK, [], [pid 4608] <... set_robust_list resumed>) = 0 [pid 4608] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4608] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4607] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4607] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 4608] <... futex resumed>) = 0 [pid 4607] <... futex resumed>) = 1 [pid 4608] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4607] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4608] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4608] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4607] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4607] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 4608] <... futex resumed>) = 0 [pid 4607] <... futex resumed>) = 1 [pid 4608] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4607] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4608] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4608] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4608] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4608] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4607] <... futex resumed>) = 0 [pid 4608] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4608] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4608] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4608] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4608] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4607] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4608] <... sendmsg resumed>) = 0 [pid 4608] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4608] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4608] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4608] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4608] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4608] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4607] <... mmap resumed>) = 0x7f857e3c2000 [pid 4608] <... sendmsg resumed>) = 0 [pid 4608] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4608] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4608] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4608] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4608] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4608] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4608] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4607] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 4608] <... sendmsg resumed>) = 0 [pid 4608] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4608] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4607] <... mprotect resumed>) = 0 [pid 4608] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4608] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4607] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4608] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4608] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4608] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4608] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4608] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4608] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4608] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4608] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4607] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4607] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[4609]}, 88) = 4609 ./strace-static-x86_64: Process 4609 attached [pid 4607] rt_sigprocmask(SIG_SETMASK, [], [pid 4609] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4609] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4609] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4607] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4607] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4609] <... futex resumed>) = 0 [pid 4607] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4609] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4609] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4609] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4607] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4607] exit_group(0 [pid 4608] <... futex resumed>) = ? [pid 4607] <... exit_group resumed>) = ? [pid 4608] +++ exited with 0 +++ [pid 4609] <... futex resumed>) = ? [pid 4609] +++ exited with 0 +++ [pid 4607] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4607, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4610 ./strace-static-x86_64: Process 4610 attached [pid 4610] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4610] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4610] setpgid(0, 0) = 0 [pid 4610] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4610] write(3, "1000", 4) = 4 [pid 4610] close(3) = 0 [pid 4610] write(1, "executing program\n", 18executing program ) = 18 [pid 4610] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4610] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4610] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4610] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4610] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4610] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4610] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4611 attached => {parent_tid=[4611]}, 88) = 4611 [pid 4611] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4611] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4611] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4610] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4610] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4611] <... futex resumed>) = 0 [pid 4611] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 4610] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4611] <... socketpair resumed>[3, 4]) = 0 [pid 4611] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4610] <... futex resumed>) = 0 [pid 4610] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4610] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4610] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4610] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4610] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4610] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4611] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4610] <... clone3 resumed> => {parent_tid=[4612]}, 88) = 4612 [pid 4610] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4610] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4610] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4612 attached [pid 4612] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4612] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4612] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4612] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4610] <... futex resumed>) = 0 [pid 4612] <... futex resumed>) = 1 [pid 4612] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4611] <... sendmsg resumed>) = 0 [pid 4611] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4611] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4611] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4611] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4611] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4611] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4611] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4611] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4611] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4611] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4611] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4611] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4611] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4611] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4611] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4611] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4611] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4611] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4611] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4611] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4611] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4611] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4611] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4611] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4611] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4611] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4611] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4611] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4611] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4611] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4611] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4611] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4611] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4611] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4610] exit_group(0 [pid 4611] <... futex resumed>) = ? [pid 4610] <... exit_group resumed>) = ? [pid 4611] +++ exited with 0 +++ [pid 4612] <... futex resumed>) = ? [pid 4612] +++ exited with 0 +++ [pid 4610] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4610, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4613 ./strace-static-x86_64: Process 4613 attached [pid 4613] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4613] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4613] setpgid(0, 0) = 0 [pid 4613] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4613] write(3, "1000", 4) = 4 [pid 4613] close(3) = 0 executing program [pid 4613] write(1, "executing program\n", 18) = 18 [pid 4613] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4613] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4613] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4613] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4613] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4613] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4613] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4614 attached => {parent_tid=[4614]}, 88) = 4614 [pid 4613] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4613] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4613] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4614] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4614] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4614] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4614] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4613] <... futex resumed>) = 0 [pid 4614] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4613] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4613] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4614] <... sendmsg resumed>) = 0 [pid 4613] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4614] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4613] <... mmap resumed>) = 0x7f857e3c2000 [pid 4613] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 4614] <... sendmsg resumed>) = 0 [pid 4613] <... mprotect resumed>) = 0 [pid 4614] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4613] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4613] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4614] <... sendmsg resumed>) = 0 [pid 4614] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4613] <... clone3 resumed> => {parent_tid=[4615]}, 88) = 4615 [pid 4613] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4613] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4613] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4614] <... sendmsg resumed>) = 0 [pid 4614] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0./strace-static-x86_64: Process 4615 attached ) = 0 [pid 4614] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4614] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4614] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4615] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4615] rt_sigprocmask(SIG_SETMASK, [], [pid 4614] <... sendmsg resumed>) = 0 [pid 4615] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4615] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4614] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4615] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4613] <... futex resumed>) = 0 [pid 4615] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4614] <... sendmsg resumed>) = 0 [pid 4614] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4614] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4614] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4614] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4614] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4614] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4614] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4614] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4614] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4614] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4614] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4614] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4614] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4614] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4614] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4614] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4614] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4614] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4614] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4614] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4614] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4614] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4614] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4614] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4614] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4614] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4613] exit_group(0 [pid 4614] <... futex resumed>) = ? [pid 4613] <... exit_group resumed>) = ? [pid 4614] +++ exited with 0 +++ [pid 4615] <... futex resumed>) = ? [pid 4615] +++ exited with 0 +++ [pid 4613] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4613, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4617 ./strace-static-x86_64: Process 4617 attached [pid 4617] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4617] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4617] setpgid(0, 0) = 0 [pid 4617] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4617] write(3, "1000", 4) = 4 [pid 4617] close(3executing program ) = 0 [pid 4617] write(1, "executing program\n", 18) = 18 [pid 4617] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4617] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4617] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4617] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4617] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4617] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4617] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[4618]}, 88) = 4618 [pid 4617] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4617] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4617] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4618 attached [pid 4618] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4618] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4618] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4618] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4617] <... futex resumed>) = 0 [pid 4617] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4617] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4617] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4617] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4617] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4617] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4617] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[4619]}, 88) = 4619 [pid 4618] <... sendmsg resumed>) = 0 ./strace-static-x86_64: Process 4619 attached [pid 4618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4617] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4617] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4617] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4619] set_robust_list(0x7f857e3e29a0, 24 [pid 4618] <... sendmsg resumed>) = 0 [pid 4619] <... set_robust_list resumed>) = 0 [pid 4618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4619] rt_sigprocmask(SIG_SETMASK, [], [pid 4618] <... sendmsg resumed>) = 0 [pid 4619] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4619] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 4618] <... sendmsg resumed>) = 0 [pid 4619] <... setsockopt resumed>) = 0 [pid 4618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4619] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4618] <... sendmsg resumed>) = 0 [pid 4617] <... futex resumed>) = 0 [pid 4619] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4618] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4618] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4617] exit_group(0 [pid 4619] <... futex resumed>) = ? [pid 4617] <... exit_group resumed>) = ? [pid 4619] +++ exited with 0 +++ [pid 4618] <... futex resumed>) = ? [pid 4618] +++ exited with 0 +++ [pid 4617] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4617, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4620 attached , child_tidptr=0x55555bbac690) = 4620 [pid 4620] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4620] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4620] setpgid(0, 0) = 0 [pid 4620] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4620] write(3, "1000", 4) = 4 [pid 4620] close(3executing program ) = 0 [pid 4620] write(1, "executing program\n", 18) = 18 [pid 4620] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4620] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4620] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4620] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4620] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4620] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4620] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[4621]}, 88) = 4621 [pid 4620] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4620] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4620] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4621 attached [pid 4621] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4621] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4621] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4621] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4621] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4620] <... futex resumed>) = 0 [pid 4620] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4621] <... futex resumed>) = 0 [pid 4621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4620] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4620] <... futex resumed>) = 0 [pid 4621] <... sendmsg resumed>) = 0 [pid 4621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4620] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4620] <... mmap resumed>) = 0x7f857e3c2000 [pid 4621] <... sendmsg resumed>) = 0 [pid 4621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4620] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 4621] <... sendmsg resumed>) = 0 [pid 4621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4620] <... mprotect resumed>) = 0 [pid 4621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4620] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4620] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4620] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4621] <... sendmsg resumed>) = 0 [pid 4621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 ./strace-static-x86_64: Process 4622 attached [pid 4621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4620] <... clone3 resumed> => {parent_tid=[4622]}, 88) = 4622 [pid 4622] set_robust_list(0x7f857e3e29a0, 24 [pid 4621] <... sendmsg resumed>) = 0 [pid 4620] rt_sigprocmask(SIG_SETMASK, [], [pid 4622] <... set_robust_list resumed>) = 0 [pid 4622] rt_sigprocmask(SIG_SETMASK, [], [pid 4621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4620] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4620] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 4621] <... sendmsg resumed>) = 0 [pid 4622] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4620] <... futex resumed>) = 0 [pid 4622] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 4621] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4620] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4622] <... setsockopt resumed>) = 0 [pid 4621] <... futex resumed>) = 0 [pid 4622] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4621] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4622] <... futex resumed>) = 1 [pid 4620] <... futex resumed>) = 0 [pid 4620] exit_group(0) = ? [pid 4621] <... futex resumed>) = ? [pid 4621] +++ exited with 0 +++ [pid 4622] +++ exited with 0 +++ [pid 4620] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4620, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4623 ./strace-static-x86_64: Process 4623 attached [pid 4623] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4623] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4623] setpgid(0, 0) = 0 [pid 4623] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4623] write(3, "1000", 4) = 4 [pid 4623] close(3) = 0 executing program [pid 4623] write(1, "executing program\n", 18) = 18 [pid 4623] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4623] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4623] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4623] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4623] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4623] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4623] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[4624]}, 88) = 4624 [pid 4623] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4623] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4623] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4624 attached [pid 4624] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4624] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4624] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4624] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4623] <... futex resumed>) = 0 [pid 4623] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4623] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4623] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4623] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4623] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4623] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0}./strace-static-x86_64: Process 4625 attached [pid 4624] <... futex resumed>) = 1 [pid 4624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4623] <... clone3 resumed> => {parent_tid=[4625]}, 88) = 4625 [pid 4624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4623] rt_sigprocmask(SIG_SETMASK, [], [pid 4624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4623] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4623] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4624] <... sendmsg resumed>) = 0 [pid 4623] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4624] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4624] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4625] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4625] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4625] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4625] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4623] <... futex resumed>) = 0 [pid 4623] exit_group(0) = ? [pid 4624] <... futex resumed>) = ? [pid 4624] +++ exited with 0 +++ [pid 4625] +++ exited with 0 +++ [pid 4623] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4623, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4626 ./strace-static-x86_64: Process 4626 attached [pid 4626] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4626] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4626] setpgid(0, 0) = 0 [pid 4626] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4626] write(3, "1000", 4) = 4 executing program [pid 4626] close(3) = 0 [pid 4626] write(1, "executing program\n", 18) = 18 [pid 4626] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4626] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4626] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4626] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4626] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4626] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4626] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4627 attached => {parent_tid=[4627]}, 88) = 4627 [pid 4626] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4626] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4626] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4627] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4627] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4627] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4627] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4626] <... futex resumed>) = 0 [pid 4626] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4627] <... futex resumed>) = 0 [pid 4627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4626] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4626] <... futex resumed>) = 0 [pid 4627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4626] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4627] <... sendmsg resumed>) = 0 [pid 4627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4626] <... mmap resumed>) = 0x7f857e3c2000 [pid 4627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4626] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 4627] <... sendmsg resumed>) = 0 [pid 4627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4626] <... mprotect resumed>) = 0 [pid 4627] <... sendmsg resumed>) = 0 [pid 4627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4626] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4626] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4626] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4627] <... sendmsg resumed>) = 0 [pid 4627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 ./strace-static-x86_64: Process 4628 attached [pid 4627] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4627] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4628] set_robust_list(0x7f857e3e29a0, 24 [pid 4626] <... clone3 resumed> => {parent_tid=[4628]}, 88) = 4628 [pid 4628] <... set_robust_list resumed>) = 0 [pid 4626] rt_sigprocmask(SIG_SETMASK, [], [pid 4628] rt_sigprocmask(SIG_SETMASK, [], [pid 4626] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4628] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4626] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 4628] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 4626] <... futex resumed>) = 0 [pid 4628] <... setsockopt resumed>) = 0 [pid 4626] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4628] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4626] <... futex resumed>) = 0 [pid 4626] exit_group(0) = ? [pid 4627] <... futex resumed>) = ? [pid 4627] +++ exited with 0 +++ [pid 4628] +++ exited with 0 +++ [pid 4626] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4626, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4629 ./strace-static-x86_64: Process 4629 attached [pid 4629] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4629] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4629] setpgid(0, 0) = 0 [pid 4629] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4629] write(3, "1000", 4) = 4 [pid 4629] close(3executing program ) = 0 [pid 4629] write(1, "executing program\n", 18) = 18 [pid 4629] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4629] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4629] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4629] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4629] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4629] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4629] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[4630]}, 88) = 4630 ./strace-static-x86_64: Process 4630 attached [pid 4629] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4629] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4629] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4630] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4630] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4630] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4630] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4629] <... futex resumed>) = 0 [pid 4630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4629] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 4630] <... sendmsg resumed>) = 0 [pid 4629] <... futex resumed>) = 0 [pid 4630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4629] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4630] <... sendmsg resumed>) = 0 [pid 4629] <... futex resumed>) = 0 [pid 4630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4629] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4630] <... sendmsg resumed>) = 0 [pid 4629] <... mmap resumed>) = 0x7f857e3c2000 [pid 4630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4629] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 4630] <... sendmsg resumed>) = 0 [pid 4629] <... mprotect resumed>) = 0 [pid 4630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4629] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4630] <... sendmsg resumed>) = 0 [pid 4629] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4629] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4630] <... sendmsg resumed>) = 0 [pid 4630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4629] <... clone3 resumed> => {parent_tid=[4631]}, 88) = 4631 [pid 4630] <... sendmsg resumed>) = 0 [pid 4629] rt_sigprocmask(SIG_SETMASK, [], [pid 4630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4629] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4630] <... sendmsg resumed>) = 0 [pid 4629] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 4630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4629] <... futex resumed>) = 0 [pid 4630] <... sendmsg resumed>) = 0 [pid 4629] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4630] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4630] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 4631 attached [pid 4631] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4631] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4631] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4631] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4629] <... futex resumed>) = 0 [pid 4629] exit_group(0 [pid 4630] <... futex resumed>) = ? [pid 4629] <... exit_group resumed>) = ? [pid 4630] +++ exited with 0 +++ [pid 4631] <... futex resumed>) = ? [pid 4631] +++ exited with 0 +++ [pid 4629] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4629, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4632 attached , child_tidptr=0x55555bbac690) = 4632 [pid 4632] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4632] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4632] setpgid(0, 0) = 0 [pid 4632] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4632] write(3, "1000", 4) = 4 [pid 4632] close(3) = 0 [pid 4632] write(1, "executing program\n", 18executing program ) = 18 [pid 4632] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4632] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4632] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4632] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4632] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4632] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4632] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4633 attached => {parent_tid=[4633]}, 88) = 4633 [pid 4633] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4633] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4633] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4632] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4632] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4633] <... futex resumed>) = 0 [pid 4633] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 4632] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4633] <... socketpair resumed>[3, 4]) = 0 [pid 4633] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4633] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4632] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4632] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4633] <... futex resumed>) = 0 [pid 4633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4632] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4632] <... futex resumed>) = 0 [pid 4633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4632] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4633] <... sendmsg resumed>) = 0 [pid 4633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4632] <... mmap resumed>) = 0x7f857e3c2000 [pid 4633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4632] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 4633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4632] <... mprotect resumed>) = 0 [pid 4633] <... sendmsg resumed>) = 0 [pid 4633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4632] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4633] <... sendmsg resumed>) = 0 [pid 4632] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0./strace-static-x86_64: Process 4634 attached [pid 4632] <... clone3 resumed> => {parent_tid=[4634]}, 88) = 4634 [pid 4633] <... sendmsg resumed>) = 0 [pid 4632] rt_sigprocmask(SIG_SETMASK, [], [pid 4634] set_robust_list(0x7f857e3e29a0, 24 [pid 4633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4632] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4634] <... set_robust_list resumed>) = 0 [pid 4632] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 4633] <... sendmsg resumed>) = 0 [pid 4632] <... futex resumed>) = 0 [pid 4634] rt_sigprocmask(SIG_SETMASK, [], [pid 4633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4632] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4634] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4633] <... sendmsg resumed>) = 0 [pid 4634] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4634] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4632] <... futex resumed>) = 0 [pid 4633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4634] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4633] <... sendmsg resumed>) = 0 [pid 4633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4633] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4633] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4632] exit_group(0) = ? [pid 4633] <... futex resumed>) = ? [pid 4633] +++ exited with 0 +++ [pid 4634] <... futex resumed>) = ? [pid 4634] +++ exited with 0 +++ [pid 4632] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4632, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4635 ./strace-static-x86_64: Process 4635 attached [pid 4635] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4635] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4635] setpgid(0, 0) = 0 [pid 4635] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4635] write(3, "1000", 4) = 4 [pid 4635] close(3) = 0 executing program [pid 4635] write(1, "executing program\n", 18) = 18 [pid 4635] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4635] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4635] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4635] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4635] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4635] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4635] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[4636]}, 88) = 4636 [pid 4635] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4635] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4635] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4636 attached [pid 4636] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4636] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4636] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4636] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4635] <... futex resumed>) = 0 [pid 4636] <... futex resumed>) = 1 [pid 4635] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4635] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4635] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4635] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4635] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4635] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4635] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[4637]}, 88) = 4637 [pid 4636] <... sendmsg resumed>) = 0 [pid 4635] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4635] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4635] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4637 attached [pid 4637] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4637] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4637] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4637] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4636] <... sendmsg resumed>) = 0 [pid 4635] <... futex resumed>) = 0 [pid 4637] <... futex resumed>) = 1 [pid 4637] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4636] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4636] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4635] exit_group(0 [pid 4636] <... futex resumed>) = ? [pid 4635] <... exit_group resumed>) = ? [pid 4636] +++ exited with 0 +++ [pid 4637] <... futex resumed>) = ? [pid 4637] +++ exited with 0 +++ [pid 4635] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4635, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4638 ./strace-static-x86_64: Process 4638 attached [pid 4638] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4638] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4638] setpgid(0, 0) = 0 [pid 4638] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4638] write(3, "1000", 4) = 4 [pid 4638] close(3) = 0 [pid 4638] write(1, "executing program\n", 18executing program ) = 18 [pid 4638] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4638] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4638] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4638] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4638] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4638] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4638] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4639 attached => {parent_tid=[4639]}, 88) = 4639 [pid 4639] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4639] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4639] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4638] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4638] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4639] <... futex resumed>) = 0 [pid 4639] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 4638] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4639] <... socketpair resumed>[3, 4]) = 0 [pid 4639] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4638] <... futex resumed>) = 0 [pid 4638] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4638] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4638] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4638] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4638] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4638] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[4640]}, 88) = 4640 [pid 4639] <... sendmsg resumed>) = 0 [pid 4638] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0./strace-static-x86_64: Process 4640 attached [pid 4638] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4640] set_robust_list(0x7f857e3e29a0, 24 [pid 4638] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4639] <... sendmsg resumed>) = 0 [pid 4640] <... set_robust_list resumed>) = 0 [pid 4639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4640] rt_sigprocmask(SIG_SETMASK, [], [pid 4639] <... sendmsg resumed>) = 0 [pid 4640] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4640] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 4639] <... sendmsg resumed>) = 0 [pid 4640] <... setsockopt resumed>) = 0 [pid 4639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4640] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4639] <... sendmsg resumed>) = 0 [pid 4640] <... futex resumed>) = 1 [pid 4638] <... futex resumed>) = 0 [pid 4640] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4639] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4639] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4638] exit_group(0) = ? [pid 4640] <... futex resumed>) = ? [pid 4639] <... futex resumed>) = ? [pid 4639] +++ exited with 0 +++ [pid 4640] +++ exited with 0 +++ [pid 4638] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4638, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4641 ./strace-static-x86_64: Process 4641 attached [pid 4641] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4641] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4641] setpgid(0, 0) = 0 [pid 4641] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4641] write(3, "1000", 4) = 4 [pid 4641] close(3) = 0 [pid 4641] write(1, "executing program\n", 18executing program ) = 18 [pid 4641] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4641] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4641] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4641] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4641] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4641] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4641] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4642 attached => {parent_tid=[4642]}, 88) = 4642 [pid 4642] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4642] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4642] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4641] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4641] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4642] <... futex resumed>) = 0 [pid 4642] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 4641] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4642] <... socketpair resumed>[3, 4]) = 0 [pid 4642] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4642] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4641] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4641] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4642] <... futex resumed>) = 0 [pid 4642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4641] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4641] <... futex resumed>) = 0 [pid 4642] <... sendmsg resumed>) = 0 [pid 4642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4641] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4642] <... sendmsg resumed>) = 0 [pid 4642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4641] <... mmap resumed>) = 0x7f857e3c2000 [pid 4642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4642] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4642] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4641] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4641] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4641] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0}./strace-static-x86_64: Process 4643 attached => {parent_tid=[4643]}, 88) = 4643 [pid 4643] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4643] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4643] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4641] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4641] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4641] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4643] <... futex resumed>) = 0 [pid 4643] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4643] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4641] <... futex resumed>) = 0 [pid 4641] exit_group(0 [pid 4642] <... futex resumed>) = ? [pid 4642] +++ exited with 0 +++ [pid 4641] <... exit_group resumed>) = ? [pid 4643] +++ exited with 0 +++ [pid 4641] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4641, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4644 ./strace-static-x86_64: Process 4644 attached [pid 4644] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4644] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4644] setpgid(0, 0) = 0 [pid 4644] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4644] write(3, "1000", 4) = 4 [pid 4644] close(3) = 0 [pid 4644] write(1, "executing program\n", 18executing program ) = 18 [pid 4644] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4644] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4644] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4644] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4644] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4644] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4644] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4645 attached => {parent_tid=[4645]}, 88) = 4645 [pid 4645] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4645] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4645] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4644] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4644] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4645] <... futex resumed>) = 0 [pid 4645] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 4644] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4645] <... socketpair resumed>[3, 4]) = 0 [pid 4645] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4644] <... futex resumed>) = 0 [pid 4644] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4644] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4644] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4644] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4644] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4644] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[4646]}, 88) = 4646 [pid 4644] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4644] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4644] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4646 attached [pid 4646] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4646] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4646] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4646] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4644] <... futex resumed>) = 0 [pid 4646] <... futex resumed>) = 1 [pid 4646] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4645] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4645] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4644] exit_group(0 [pid 4645] <... futex resumed>) = ? [pid 4644] <... exit_group resumed>) = ? [pid 4645] +++ exited with 0 +++ [pid 4646] <... futex resumed>) = ? [pid 4646] +++ exited with 0 +++ [pid 4644] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4644, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4647 ./strace-static-x86_64: Process 4647 attached [pid 4647] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4647] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4647] setpgid(0, 0) = 0 [pid 4647] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4647] write(3, "1000", 4) = 4 executing program [pid 4647] close(3) = 0 [pid 4647] write(1, "executing program\n", 18) = 18 [pid 4647] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4647] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4647] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4647] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4647] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4647] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4647] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4648 attached => {parent_tid=[4648]}, 88) = 4648 [pid 4648] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4648] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4648] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4647] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4647] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4648] <... futex resumed>) = 0 [pid 4647] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4648] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4648] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4647] <... futex resumed>) = 0 [pid 4647] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4647] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4647] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4647] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4647] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4647] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4647] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4648] <... sendmsg resumed>) = 0 [pid 4648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4647] <... clone3 resumed> => {parent_tid=[4649]}, 88) = 4649 [pid 4647] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4647] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4647] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4648] <... sendmsg resumed>) = 0 ./strace-static-x86_64: Process 4649 attached [pid 4648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4649] set_robust_list(0x7f857e3e29a0, 24 [pid 4648] <... sendmsg resumed>) = 0 [pid 4649] <... set_robust_list resumed>) = 0 [pid 4648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4649] rt_sigprocmask(SIG_SETMASK, [], [pid 4648] <... sendmsg resumed>) = 0 [pid 4649] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4649] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 4648] <... sendmsg resumed>) = 0 [pid 4648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4649] <... setsockopt resumed>) = 0 [pid 4648] <... sendmsg resumed>) = 0 [pid 4649] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4649] <... futex resumed>) = 1 [pid 4648] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4649] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4648] <... futex resumed>) = 0 [pid 4648] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4647] <... futex resumed>) = 0 [pid 4647] exit_group(0) = ? [pid 4649] <... futex resumed>) = ? [pid 4648] <... futex resumed>) = ? [pid 4648] +++ exited with 0 +++ [pid 4649] +++ exited with 0 +++ [pid 4647] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4647, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4650 ./strace-static-x86_64: Process 4650 attached [pid 4650] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4650] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4650] setpgid(0, 0) = 0 [pid 4650] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4650] write(3, "1000", 4) = 4 [pid 4650] close(3) = 0 [pid 4650] write(1, "executing program\n", 18executing program ) = 18 [pid 4650] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4650] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4650] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4650] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4650] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4650] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4650] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4651 attached => {parent_tid=[4651]}, 88) = 4651 [pid 4651] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4651] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4651] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4650] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4650] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4651] <... futex resumed>) = 0 [pid 4651] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 4650] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4651] <... socketpair resumed>[3, 4]) = 0 [pid 4651] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4651] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4650] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4650] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4651] <... futex resumed>) = 0 [pid 4651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4650] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4651] <... sendmsg resumed>) = 0 [pid 4651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4650] <... futex resumed>) = 0 [pid 4651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4650] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4650] <... mmap resumed>) = 0x7f857e3c2000 [pid 4650] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 4651] <... sendmsg resumed>) = 0 [pid 4650] <... mprotect resumed>) = 0 [pid 4651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4650] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4651] <... sendmsg resumed>) = 0 [pid 4651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4650] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4651] <... sendmsg resumed>) = 0 [pid 4651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4650] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4651] <... sendmsg resumed>) = 0 [pid 4651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4650] <... clone3 resumed> => {parent_tid=[4652]}, 88) = 4652 [pid 4651] <... sendmsg resumed>) = 0 [pid 4650] rt_sigprocmask(SIG_SETMASK, [], [pid 4651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4650] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4651] <... sendmsg resumed>) = 0 [pid 4650] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 4651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4650] <... futex resumed>) = 0 [pid 4650] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4651] <... sendmsg resumed>) = 0 [pid 4651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0./strace-static-x86_64: Process 4652 attached ) = 0 [pid 4651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4652] set_robust_list(0x7f857e3e29a0, 24 [pid 4651] <... sendmsg resumed>) = 0 [pid 4651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4651] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4652] <... set_robust_list resumed>) = 0 [pid 4651] <... futex resumed>) = 0 [pid 4651] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4652] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4652] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4652] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4650] <... futex resumed>) = 0 [pid 4650] exit_group(0) = ? [pid 4652] +++ exited with 0 +++ [pid 4651] <... futex resumed>) = ? [pid 4651] +++ exited with 0 +++ [pid 4650] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4650, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program , child_tidptr=0x55555bbac690) = 4653 ./strace-static-x86_64: Process 4653 attached [pid 4653] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4653] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4653] setpgid(0, 0) = 0 [pid 4653] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4653] write(3, "1000", 4) = 4 [pid 4653] close(3) = 0 [pid 4653] write(1, "executing program\n", 18) = 18 [pid 4653] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4653] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4653] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4653] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4653] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4653] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4653] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4654 attached => {parent_tid=[4654]}, 88) = 4654 [pid 4653] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4653] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4653] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4654] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4654] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4654] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4654] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4653] <... futex resumed>) = 0 [pid 4654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4653] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 4654] <... sendmsg resumed>) = 0 [pid 4653] <... futex resumed>) = 0 [pid 4654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4653] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4654] <... sendmsg resumed>) = 0 [pid 4653] <... futex resumed>) = 0 [pid 4654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4653] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4654] <... sendmsg resumed>) = 0 [pid 4653] <... mmap resumed>) = 0x7f857e3c2000 [pid 4654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4653] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 4654] <... sendmsg resumed>) = 0 [pid 4653] <... mprotect resumed>) = 0 [pid 4654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4653] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4654] <... sendmsg resumed>) = 0 [pid 4653] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4653] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4654] <... sendmsg resumed>) = 0 [pid 4654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4653] <... clone3 resumed> => {parent_tid=[4655]}, 88) = 4655 [pid 4653] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4653] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4653] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4654] <... sendmsg resumed>) = 0 [pid 4654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0./strace-static-x86_64: Process 4655 attached ) = 0 [pid 4654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4655] set_robust_list(0x7f857e3e29a0, 24 [pid 4654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4655] <... set_robust_list resumed>) = 0 [pid 4654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4655] rt_sigprocmask(SIG_SETMASK, [], [pid 4654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4655] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4654] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4654] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4655] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4655] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4653] <... futex resumed>) = 0 [pid 4655] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4653] exit_group(0 [pid 4655] <... futex resumed>) = ? [pid 4654] <... futex resumed>) = ? [pid 4653] <... exit_group resumed>) = ? [pid 4655] +++ exited with 0 +++ [pid 4654] +++ exited with 0 +++ [pid 4653] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4653, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4656 ./strace-static-x86_64: Process 4656 attached [pid 4656] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4656] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4656] setpgid(0, 0) = 0 [pid 4656] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4656] write(3, "1000", 4) = 4 [pid 4656] close(3) = 0 [pid 4656] write(1, "executing program\n", 18executing program ) = 18 [pid 4656] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4656] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4656] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4656] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4656] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4656] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4656] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4657 attached => {parent_tid=[4657]}, 88) = 4657 [pid 4657] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4657] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4657] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4656] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4656] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4657] <... futex resumed>) = 0 [pid 4657] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 4656] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4657] <... socketpair resumed>[3, 4]) = 0 [pid 4657] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4657] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4656] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4656] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4657] <... futex resumed>) = 0 [pid 4657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4656] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4656] <... futex resumed>) = 0 [pid 4657] <... sendmsg resumed>) = 0 [pid 4657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4656] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4657] <... sendmsg resumed>) = 0 [pid 4657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4657] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4657] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4656] <... mmap resumed>) = 0x7f857e3c2000 [pid 4656] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4656] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4656] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0}./strace-static-x86_64: Process 4658 attached => {parent_tid=[4658]}, 88) = 4658 [pid 4658] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4658] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4658] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4656] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4656] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4658] <... futex resumed>) = 0 [pid 4656] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4658] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4658] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4658] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4656] <... futex resumed>) = 0 [pid 4656] exit_group(0 [pid 4657] <... futex resumed>) = ? [pid 4656] <... exit_group resumed>) = ? [pid 4657] +++ exited with 0 +++ [pid 4658] <... futex resumed>) = ? [pid 4658] +++ exited with 0 +++ [pid 4656] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4656, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4659 ./strace-static-x86_64: Process 4659 attached [pid 4659] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4659] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4659] setpgid(0, 0) = 0 [pid 4659] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4659] write(3, "1000", 4) = 4 [pid 4659] close(3) = 0 [pid 4659] write(1, "executing program\n", 18executing program ) = 18 [pid 4659] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4659] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4659] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4659] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4659] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4659] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4659] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4660 attached [pid 4660] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4660] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4660] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4659] <... clone3 resumed> => {parent_tid=[4660]}, 88) = 4660 [pid 4659] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4659] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4660] <... futex resumed>) = 0 [pid 4660] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4659] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4660] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4659] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4660] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4659] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 4660] <... futex resumed>) = 0 [pid 4659] <... futex resumed>) = 1 [pid 4660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4660] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4660] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4659] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4659] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4660] <... futex resumed>) = 0 [pid 4660] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4660] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4659] <... futex resumed>) = 0 [pid 4660] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4659] exit_group(0) = ? [pid 4660] <... futex resumed>) = ? [pid 4660] +++ exited with 0 +++ [pid 4659] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4659, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4661 ./strace-static-x86_64: Process 4661 attached [pid 4661] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4661] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4661] setpgid(0, 0) = 0 [pid 4661] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4661] write(3, "1000", 4) = 4 [pid 4661] close(3) = 0 executing program [pid 4661] write(1, "executing program\n", 18) = 18 [pid 4661] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4661] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4661] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4661] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4661] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4661] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4661] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0} => {parent_tid=[4662]}, 88) = 4662 [pid 4661] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4661] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4661] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4662 attached [pid 4662] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4662] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4662] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4662] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4661] <... futex resumed>) = 0 [pid 4661] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4661] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4661] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4661] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4661] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4661] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[4663]}, 88) = 4663 [pid 4661] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4661] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4661] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4662] <... futex resumed>) = 1 [pid 4662] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4662] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4662] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4662] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4662] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4662] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4662] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4662] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4662] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4662] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4662] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4662] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4662] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4662] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4662] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4662] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4662] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4662] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4662] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4662] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4662] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4662] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4662] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4662] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4662] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4662] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4662] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4662] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4662] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4662] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4662] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4662] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4662] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4662] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4662] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 4663 attached [pid 4663] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4663] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4663] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4663] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4661] <... futex resumed>) = 0 [pid 4661] exit_group(0) = ? [pid 4662] <... futex resumed>) = ? [pid 4663] <... futex resumed>) = ? [pid 4662] +++ exited with 0 +++ [pid 4663] +++ exited with 0 +++ [pid 4661] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4661, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4664 ./strace-static-x86_64: Process 4664 attached [pid 4664] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4664] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4664] setpgid(0, 0) = 0 [pid 4664] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4664] write(3, "1000", 4) = 4 executing program [pid 4664] close(3) = 0 [pid 4664] write(1, "executing program\n", 18) = 18 [pid 4664] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4664] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4664] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4664] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4664] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4664] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4664] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4665 attached => {parent_tid=[4665]}, 88) = 4665 [pid 4665] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4665] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4665] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4664] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4664] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4665] <... futex resumed>) = 0 [pid 4664] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4665] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4665] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4665] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4664] <... futex resumed>) = 0 [pid 4664] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4664] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4664] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4664] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4664] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4664] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4665] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4664] <... clone3 resumed> => {parent_tid=[4666]}, 88) = 4666 [pid 4664] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4664] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4664] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4666 attached [pid 4666] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4666] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4666] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4666] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4664] <... futex resumed>) = 0 [pid 4666] <... futex resumed>) = 1 [pid 4665] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4666] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4665] <... sendmsg resumed>) = 0 [pid 4665] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4665] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4665] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4665] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4665] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4665] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4665] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4665] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4665] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4665] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4665] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4665] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4665] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4665] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4665] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4665] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4665] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4665] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4665] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4665] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4665] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4665] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4665] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4665] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4665] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4665] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4665] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4665] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4665] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4665] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4665] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4665] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4665] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4665] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4664] exit_group(0 [pid 4665] <... futex resumed>) = ? [pid 4664] <... exit_group resumed>) = ? [pid 4665] +++ exited with 0 +++ [pid 4666] <... futex resumed>) = ? [pid 4666] +++ exited with 0 +++ [pid 4664] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4664, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4667 ./strace-static-x86_64: Process 4667 attached [pid 4667] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4667] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4667] setpgid(0, 0) = 0 [pid 4667] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4667] write(3, "1000", 4) = 4 [pid 4667] close(3) = 0 [pid 4667] write(1, "executing program\n", 18executing program ) = 18 [pid 4667] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4667] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4667] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4667] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4667] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4667] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4667] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4668 attached => {parent_tid=[4668]}, 88) = 4668 [pid 4667] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4667] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4667] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4668] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4668] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4668] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4668] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4667] <... futex resumed>) = 0 [pid 4667] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4667] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4667] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4667] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4667] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4667] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[4669]}, 88) = 4669 [pid 4667] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4667] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4667] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4669 attached [pid 4669] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4669] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4669] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4669] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4667] <... futex resumed>) = 0 [pid 4669] <... futex resumed>) = 1 [pid 4669] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4668] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4668] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4668] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4668] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4668] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4668] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4668] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4668] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4668] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4668] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4668] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4668] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4668] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4668] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4668] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4668] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4668] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4668] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4668] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4668] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4668] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4668] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4668] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4668] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4668] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4668] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4668] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4668] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4668] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4668] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4668] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4668] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4668] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4668] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4667] exit_group(0) = ? [pid 4669] <... futex resumed>) = ? [pid 4669] +++ exited with 0 +++ [pid 4668] +++ exited with 0 +++ [pid 4667] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4667, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4670 ./strace-static-x86_64: Process 4670 attached [pid 4670] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4670] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4670] setpgid(0, 0) = 0 [pid 4670] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4670] write(3, "1000", 4) = 4 [pid 4670] close(3) = 0 executing program [pid 4670] write(1, "executing program\n", 18) = 18 [pid 4670] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4670] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4670] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4670] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4670] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4670] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4670] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4671 attached => {parent_tid=[4671]}, 88) = 4671 [pid 4670] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4670] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4670] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4671] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4671] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4671] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4671] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4670] <... futex resumed>) = 0 [pid 4670] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4670] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4670] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4670] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4670] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4670] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} => {parent_tid=[4672]}, 88) = 4672 [pid 4670] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4670] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4670] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4672 attached [pid 4672] set_robust_list(0x7f857e3e29a0, 24) = 0 [pid 4672] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4672] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 4672] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4670] <... futex resumed>) = 0 [pid 4672] <... futex resumed>) = 1 [pid 4672] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4671] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4671] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4671] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4671] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4671] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4671] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4671] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4671] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4671] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4671] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4671] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4671] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4671] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4671] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4671] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4671] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4671] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4671] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4671] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4671] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4671] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4671] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4671] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4671] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4671] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4671] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4671] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4671] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4671] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4671] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4671] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4671] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4671] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4671] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4671] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4670] exit_group(0 [pid 4672] <... futex resumed>) = ? [pid 4671] <... futex resumed>) = ? [pid 4670] <... exit_group resumed>) = ? [pid 4671] +++ exited with 0 +++ [pid 4672] +++ exited with 0 +++ [pid 4670] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4670, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4673 attached , child_tidptr=0x55555bbac690) = 4673 [pid 4673] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4673] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4673] setpgid(0, 0) = 0 [pid 4673] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4673] write(3, "1000", 4) = 4 [pid 4673] close(3) = 0 [pid 4673] write(1, "executing program\n", 18executing program ) = 18 [pid 4673] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4673] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4673] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4673] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4673] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4673] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4673] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4674 attached => {parent_tid=[4674]}, 88) = 4674 [pid 4674] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4674] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4674] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4673] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4673] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4674] <... futex resumed>) = 0 [pid 4674] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 4673] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4674] <... socketpair resumed>[3, 4]) = 0 [pid 4674] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4673] <... futex resumed>) = 0 [pid 4673] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 4674] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4673] <... futex resumed>) = 0 [pid 4674] <... sendmsg resumed>) = 0 [pid 4673] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4673] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3c2000 [pid 4674] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4673] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4674] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4673] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4674] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4673] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4674] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4673] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4674] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4674] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4673] <... clone3 resumed> => {parent_tid=[4675]}, 88) = 4675 [pid 4673] rt_sigprocmask(SIG_SETMASK, [], [pid 4674] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4673] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4674] <... sendmsg resumed>) = 0 [pid 4673] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4673] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4674] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4674] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 ./strace-static-x86_64: Process 4675 attached [pid 4674] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4675] set_robust_list(0x7f857e3e29a0, 24 [pid 4674] <... sendmsg resumed>) = 0 [pid 4675] <... set_robust_list resumed>) = 0 [pid 4674] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4675] rt_sigprocmask(SIG_SETMASK, [], [pid 4674] <... sendmsg resumed>) = 0 [pid 4675] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4674] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4675] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 4674] <... sendmsg resumed>) = 0 [pid 4675] <... setsockopt resumed>) = 0 [pid 4674] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4675] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4674] <... sendmsg resumed>) = 0 [pid 4675] <... futex resumed>) = 1 [pid 4673] <... futex resumed>) = 0 [pid 4675] futex(0x7f857e4cc338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4674] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4674] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4674] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4674] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4674] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4674] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4674] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4674] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4674] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4674] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4674] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4674] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4674] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4674] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4674] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4674] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4674] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4674] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4674] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 4674] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4674] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4673] exit_group(0 [pid 4674] <... futex resumed>) = ? [pid 4673] <... exit_group resumed>) = ? [pid 4674] +++ exited with 0 +++ [pid 4675] <... futex resumed>) = ? [pid 4675] +++ exited with 0 +++ [pid 4673] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4673, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bbac690) = 4676 ./strace-static-x86_64: Process 4676 attached [pid 4676] set_robust_list(0x55555bbac6a0, 24) = 0 [pid 4676] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4676] setpgid(0, 0) = 0 [pid 4676] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4676] write(3, "1000", 4) = 4 [pid 4676] close(3executing program ) = 0 [pid 4676] write(1, "executing program\n", 18) = 18 [pid 4676] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4676] rt_sigaction(SIGRT_1, {sa_handler=0x7f857e468320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f857e4599a0}, NULL, 8) = 0 [pid 4676] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4676] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f857e3e3000 [pid 4676] mprotect(0x7f857e3e4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4676] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4676] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e403990, parent_tid=0x7f857e403990, exit_signal=0, stack=0x7f857e3e3000, stack_size=0x20300, tls=0x7f857e4036c0}./strace-static-x86_64: Process 4677 attached => {parent_tid=[4677]}, 88) = 4677 [pid 4677] set_robust_list(0x7f857e4039a0, 24) = 0 [pid 4677] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4677] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4676] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4676] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4677] <... futex resumed>) = 0 [pid 4676] futex(0x7f857e4cc32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4677] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 4677] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4676] <... futex resumed>) = 0 [pid 4677] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4676] futex(0x7f857e4cc328, FUTEX_WAKE_PRIVATE, 1000000 [pid 4677] <... sendmsg resumed>) = 0 [pid 4676] <... futex resumed>) = 0 [pid 4677] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4676] futex(0x7f857e4cc33c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4677] <... sendmsg resumed>) = 0 [pid 4676] <... futex resumed>) = 0 [pid 4677] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4676] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4677] <... sendmsg resumed>) = 0 [pid 4676] <... mmap resumed>) = 0x7f857e3c2000 [pid 4677] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4676] mprotect(0x7f857e3c3000, 131072, PROT_READ|PROT_WRITE [pid 4677] <... sendmsg resumed>) = 0 [pid 4676] <... mprotect resumed>) = 0 [pid 4677] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4676] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4677] <... sendmsg resumed>) = 0 [pid 4676] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4677] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4676] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f857e3e2990, parent_tid=0x7f857e3e2990, exit_signal=0, stack=0x7f857e3c2000, stack_size=0x20300, tls=0x7f857e3e26c0} [pid 4677] <... sendmsg resumed>) = 0 [pid 4677] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4677] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4676] <... clone3 resumed> => {parent_tid=[4678]}, 88) = 4678 [pid 4677] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4676] rt_sigprocmask(SIG_SETMASK, [], [pid 4677] <... sendmsg resumed>) = 0 [pid 4676] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4677] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4676] futex(0x7f857e4cc338, FUTEX_WAKE_PRIVATE, 1000000 [pid 4677] <... sendmsg resumed>) = 0 [pid 4676] <... futex resumed>) = 0 [pid 4677] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4676] futex(0x7f857e4cc33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4677] <... sendmsg resumed>) = 0 [pid 4677] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0./strace-static-x86_64: Process 4678 attached ) = 0 [pid 4677] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4677] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4678] set_robust_list(0x7f857e3e29a0, 24 [pid 4677] <... sendmsg resumed>) = 0 [pid 4677] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4677] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4677] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4677] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4678] <... set_robust_list resumed>) = 0 [pid 4677] <... sendmsg resumed>) = 0 [pid 4677] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4677] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4678] rt_sigprocmask(SIG_SETMASK, [], [pid 4677] <... sendmsg resumed>) = 0 [pid 4677] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4677] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4678] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4677] <... sendmsg resumed>) = 0 [pid 4677] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4677] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4677] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 4678] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 4677] <... sendmsg resumed>) = 0 [pid 4677] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4677] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4677] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4677] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4677] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4677] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4677] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 1 [pid 4677] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 4677] futex(0x7f857e4cc32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4677] futex(0x7f857e4cc328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4676] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 4676] exit_group(0 [pid 4677] <... futex resumed>) = ? [pid 4676] <... exit_group resumed>) = ? [pid 4677] +++ exited with 0 +++ [pid 524] kill(-4676, SIGKILL) = 0 [pid 524] kill(4676, SIGKILL) = 0 [pid 524] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 524] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 524] getdents64(3, 0x55555bbad730 /* 2 entries */, 32768) = 48 [pid 524] getdents64(3, 0x55555bbad730 /* 0 entries */, 32768) = 0 [pid 524] close(3) = 0 [ 386.061608][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 386.068084][ C1] rcu: 1-....: (1 GPs behind) idle=46f/1/0x4000000000000000 softirq=8082/8083 fqs=5000 last_accelerate: fa24/2145 dyntick_enabled: 1 [ 386.081985][ C1] (t=10000 jiffies g=12173 q=2216) [ 386.087016][ C1] NMI backtrace for cpu 1 [ 386.091171][ C1] CPU: 1 PID: 4678 Comm: syz-executor314 Not tainted 5.15.180-syzkaller-android13-5.15.180_r00 #0 [ 386.101937][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 386.111929][ C1] Call Trace: [ 386.115129][ C1] [ 386.117820][ C1] dump_stack_lvl+0x151/0x1c0 [ 386.122335][ C1] ? io_uring_drop_tctx_refs+0x190/0x190 [ 386.127803][ C1] ? __wake_up_klogd+0xde/0x110 [ 386.132488][ C1] dump_stack+0x15/0x20 [ 386.136477][ C1] nmi_cpu_backtrace+0x2f7/0x300 [ 386.141252][ C1] ? nmi_trigger_cpumask_backtrace+0x270/0x270 [ 386.147242][ C1] ? _raw_spin_lock_irqsave+0xf9/0x210 [ 386.152584][ C1] ? vprintk+0x74/0x80 [ 386.156440][ C1] ? _raw_spin_lock+0x1b0/0x1b0 [ 386.161127][ C1] ? _printk+0xd1/0x120 [ 386.165119][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 386.171025][ C1] nmi_trigger_cpumask_backtrace+0x15d/0x270 [ 386.176839][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 386.182741][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 386.188469][ C1] rcu_dump_cpu_stacks+0x1d8/0x330 [ 386.193416][ C1] print_cpu_stall+0x315/0x5f0 [ 386.198016][ C1] rcu_sched_clock_irq+0x989/0x12f0 [ 386.203051][ C1] ? rcu_boost_kthread_setaffinity+0x340/0x340 [ 386.209045][ C1] ? hrtimer_run_queues+0x15f/0x440 [ 386.214074][ C1] update_process_times+0x198/0x200 [ 386.219109][ C1] tick_sched_timer+0x188/0x240 [ 386.223795][ C1] ? tick_setup_sched_timer+0x480/0x480 [ 386.229260][ C1] __hrtimer_run_queues+0x41a/0xad0 [ 386.234297][ C1] ? hrtimer_interrupt+0xaa0/0xaa0 [ 386.239266][ C1] ? clockevents_program_event+0x22f/0x300 [ 386.244884][ C1] ? ktime_get_update_offsets_now+0x2ba/0x2d0 [ 386.250788][ C1] hrtimer_interrupt+0x40c/0xaa0 [ 386.255601][ C1] __sysvec_apic_timer_interrupt+0xfb/0x3f0 [ 386.261290][ C1] sysvec_apic_timer_interrupt+0xa4/0xc0 [ 386.266758][ C1] [ 386.269666][ C1] [ 386.272419][ C1] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 386.278231][ C1] RIP: 0010:_raw_spin_lock_bh+0xa9/0x1b0 [ 386.283700][ C1] Code: 00 00 00 c7 44 24 20 00 00 00 00 4c 89 ef be 04 00 00 00 e8 99 d2 ca fc 4c 89 ff be 04 00 00 00 e8 8c d2 ca fc 43 0f b6 04 26 <84> c0 0f 85 aa 00 00 00 8b 44 24 20 b9 01 00 00 00 f0 41 0f b1 4d [ 386.303341][ C1] RSP: 0018:ffffc90004a86940 EFLAGS: 00000297 [ 386.309339][ C1] RAX: 0000000000000004 RBX: 1ffff92000950d28 RCX: ffffffff84e7b1b4 [ 386.317557][ C1] RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffffc90004a86960 [ 386.325362][ C1] RBP: ffffc90004a869d0 R08: dffffc0000000000 R09: 0000000000000003 [ 386.333172][ C1] R10: fffff52000950d2c R11: dffffc0000000001 R12: dffffc0000000000 [ 386.340987][ C1] R13: ffffc90004a86e34 R14: 1ffff92000950d2c R15: ffffc90004a86960 [ 386.348803][ C1] ? _raw_spin_lock_bh+0xa4/0x1b0 [ 386.353679][ C1] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 386.358780][ C1] tipc_sk_rcv+0x299/0x1b50 [ 386.363124][ C1] ? kmem_cache_free+0x115/0x330 [ 386.367890][ C1] ? kasan_set_track+0x5d/0x70 [ 386.372488][ C1] ? kasan_set_track+0x4b/0x70 [ 386.377096][ C1] ? kmem_cache_free+0x115/0x330 [ 386.381864][ C1] ? kfree_skb+0xc2/0x360 [ 386.386029][ C1] ? tipc_sk_rcv+0x80c/0x1b50 [ 386.391067][ C1] ? tipc_node_xmit+0x34e/0xe40 [ 386.395975][ C1] ? tipc_node_distr_xmit+0x36a/0x4d0 [ 386.401739][ C1] ? entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 386.407633][ C1] ? __skb_queue_purge+0x180/0x180 [ 386.412754][ C1] tipc_node_xmit+0x34e/0xe40 [ 386.417352][ C1] ? debug_smp_processor_id+0x17/0x20 [ 386.422560][ C1] ? kasan_quarantine_put+0x34/0x1a0 [ 386.427681][ C1] ? kmem_cache_free+0x115/0x330 [ 386.432456][ C1] ? tipc_node_get_linkname+0x190/0x190 [ 386.437833][ C1] ? __kasan_slab_free+0x11/0x20 [ 386.442609][ C1] ? slab_free_freelist_hook+0xbd/0x190 [ 386.447989][ C1] ? kmem_cache_free+0x115/0x330 [ 386.452790][ C1] tipc_node_distr_xmit+0x36a/0x4d0 [ 386.457799][ C1] ? tipc_node_xmit_skb+0x1b0/0x1b0 [ 386.462831][ C1] tipc_sk_rcv+0x1212/0x1b50 [ 386.467280][ C1] ? __skb_queue_purge+0x180/0x180 [ 386.472301][ C1] ? is_bpf_text_address+0x172/0x190 [ 386.477854][ C1] tipc_node_xmit+0x34e/0xe40 [ 386.482382][ C1] ? unwind_get_return_address+0x4d/0x90 [ 386.488052][ C1] ? tipc_node_get_linkname+0x190/0x190 [ 386.493536][ C1] ? stack_trace_save+0x113/0x1c0 [ 386.498394][ C1] tipc_sk_filter_rcv+0x194e/0x3380 [ 386.503417][ C1] ? tipc_sk_publish+0x4b0/0x4b0 [ 386.508179][ C1] ? __kasan_check_write+0x14/0x20 [ 386.513128][ C1] ? _raw_spin_lock_bh+0xa4/0x1b0 [ 386.518076][ C1] tipc_sk_rcv+0x80c/0x1b50 [ 386.522424][ C1] ? slab_free_freelist_hook+0xbd/0x190 [ 386.528172][ C1] ? __skb_queue_purge+0x180/0x180 [ 386.533123][ C1] ? trace_tipc_sk_rej_msg+0x25/0x170 [ 386.538328][ C1] ? tipc_sk_filter_rcv+0x30d2/0x3380 [ 386.543538][ C1] tipc_node_xmit+0x34e/0xe40 [ 386.548223][ C1] ? tipc_node_get_linkname+0x190/0x190 [ 386.553702][ C1] tipc_node_distr_xmit+0x36a/0x4d0 [ 386.558905][ C1] ? tipc_node_xmit_skb+0x1b0/0x1b0 [ 386.564031][ C1] ? preempt_schedule_irq+0xe7/0x140 [ 386.569353][ C1] tipc_sk_backlog_rcv+0x18b/0x210 [ 386.574488][ C1] ? tipc_sk_timeout+0xab0/0xab0 [ 386.579228][ C1] __release_sock+0x145/0x410 [ 386.584031][ C1] sock_setsockopt+0x1831/0x2f30 [ 386.588795][ C1] ? __sock_set_mark+0x160/0x160 [ 386.593591][ C1] ? selinux_socket_setsockopt+0x260/0x360 [ 386.599571][ C1] ? selinux_socket_getsockopt+0x340/0x340 [ 386.605203][ C1] ? security_socket_setsockopt+0x82/0xb0 [ 386.610764][ C1] __sys_setsockopt+0x3c3/0x7e0 [ 386.615588][ C1] ? __ia32_sys_recv+0xb0/0xb0 [ 386.620155][ C1] ? __kasan_check_write+0x14/0x20 [ 386.625101][ C1] __x64_sys_setsockopt+0xbf/0xd0 [ 386.629967][ C1] x64_sys_call+0x1a2/0x9a0 [ 386.634493][ C1] do_syscall_64+0x3b/0x80 [ 386.638760][ C1] ? clear_bhb_loop+0x35/0x90 [ 386.643264][ C1] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 386.648984][ C1] RIP: 0033:0x7f857e4423e9 [ 386.653340][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 386.673611][ C1] RSP: 002b:00007f857e3e2218 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 386.681857][ C1] RAX: ffffffffffffffda RBX: 00007f857e3e26c0 RCX: 00007f857e4423e9 [ 386.689659][ C1] RDX: 0000000000000021 RSI: 0000000000000001 RDI: 0000000000000003 [ 386.697726][ C1] RBP: 00007f857e4cc338 R08: 0000000000000004 R09: 0000000000000000 [ 386.705559][ C1] R10: 0000200000000540 R11: 0000000000000246 R12: 0000200000000500 [ 386.713591][ C1] R13: 00007f857e4cc330 R14: 00007f857e4cc33c R15: 0000200000000004 [ 386.721441][ C1] [ 386.728254][ T30] audit: type=1400 audit(1744963818.845:70): avc: denied { remove_name } for pid=83 comm="syslogd" name="messages" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 386.755175][ T30] audit: type=1400 audit(1744963818.845:71): avc: denied { rename } for pid=83 comm="syslogd" name="messages" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 529.242543][ C1] watchdog: BUG: soft lockup - CPU#1 stuck for 245s! [syz-executor314:4678] [ 529.251068][ C1] Modules linked in: [ 529.254796][ C1] CPU: 1 PID: 4678 Comm: syz-executor314 Not tainted 5.15.180-syzkaller-android13-5.15.180_r00 #0 [ 529.265217][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 529.275245][ C1] RIP: 0010:_raw_spin_lock_bh+0xa9/0x1b0 [ 529.280681][ C1] Code: 00 00 00 c7 44 24 20 00 00 00 00 4c 89 ef be 04 00 00 00 e8 99 d2 ca fc 4c 89 ff be 04 00 00 00 e8 8c d2 ca fc 43 0f b6 04 26 <84> c0 0f 85 aa 00 00 00 8b 44 24 20 b9 01 00 00 00 f0 41 0f b1 4d [ 529.300507][ C1] RSP: 0018:ffffc90004a86940 EFLAGS: 00000297 [ 529.306407][ C1] RAX: 0000000000000004 RBX: 1ffff92000950d28 RCX: ffffffff84e7b1b4 [ 529.314212][ C1] RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffffc90004a86960 [ 529.322022][ C1] RBP: ffffc90004a869d0 R08: dffffc0000000000 R09: 0000000000000003 [ 529.329832][ C1] R10: fffff52000950d2c R11: dffffc0000000001 R12: dffffc0000000000 [ 529.337646][ C1] R13: ffffc90004a86e34 R14: 1ffff92000950d2c R15: ffffc90004a86960 [ 529.345458][ C1] FS: 00007f857e3e26c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 529.354222][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 529.360647][ C1] CR2: 00007f857e3e2d58 CR3: 000000011f110000 CR4: 00000000003506a0 [ 529.368726][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 529.376530][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 529.384345][ C1] Call Trace: [ 529.387501][ C1] [ 529.390253][ C1] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 529.395283][ C1] tipc_sk_rcv+0x299/0x1b50 [ 529.399634][ C1] ? kmem_cache_free+0x115/0x330 [ 529.404407][ C1] ? kasan_set_track+0x5d/0x70 [ 529.408993][ C1] ? kasan_set_track+0x4b/0x70 [ 529.413592][ C1] ? kmem_cache_free+0x115/0x330 [ 529.418365][ C1] ? kfree_skb+0xc2/0x360 [ 529.422533][ C1] ? tipc_sk_rcv+0x80c/0x1b50 [ 529.427045][ C1] ? tipc_node_xmit+0x34e/0xe40 [ 529.432092][ C1] ? tipc_node_distr_xmit+0x36a/0x4d0 [ 529.437414][ C1] ? entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 529.443583][ C1] ? __skb_queue_purge+0x180/0x180 [ 529.448524][ C1] tipc_node_xmit+0x34e/0xe40 [ 529.453090][ C1] ? debug_smp_processor_id+0x17/0x20 [ 529.458588][ C1] ? kasan_quarantine_put+0x34/0x1a0 [ 529.463868][ C1] ? kmem_cache_free+0x115/0x330 [ 529.468636][ C1] ? tipc_node_get_linkname+0x190/0x190 [ 529.474203][ C1] ? __kasan_slab_free+0x11/0x20 [ 529.478960][ C1] ? slab_free_freelist_hook+0xbd/0x190 [ 529.484443][ C1] ? kmem_cache_free+0x115/0x330 [ 529.489219][ C1] tipc_node_distr_xmit+0x36a/0x4d0 [ 529.494280][ C1] ? tipc_node_xmit_skb+0x1b0/0x1b0 [ 529.499286][ C1] tipc_sk_rcv+0x1212/0x1b50 [ 529.503724][ C1] ? __skb_queue_purge+0x180/0x180 [ 529.508659][ C1] ? is_bpf_text_address+0x172/0x190 [ 529.513780][ C1] tipc_node_xmit+0x34e/0xe40 [ 529.518295][ C1] ? unwind_get_return_address+0x4d/0x90 [ 529.523761][ C1] ? tipc_node_get_linkname+0x190/0x190 [ 529.529144][ C1] ? stack_trace_save+0x113/0x1c0 [ 529.534013][ C1] tipc_sk_filter_rcv+0x194e/0x3380 [ 529.539045][ C1] ? tipc_sk_publish+0x4b0/0x4b0 [ 529.543819][ C1] ? __kasan_check_write+0x14/0x20 [ 529.548773][ C1] ? _raw_spin_lock_bh+0xa4/0x1b0 [ 529.553630][ C1] tipc_sk_rcv+0x80c/0x1b50 [ 529.557964][ C1] ? slab_free_freelist_hook+0xbd/0x190 [ 529.563357][ C1] ? __skb_queue_purge+0x180/0x180 [ 529.568306][ C1] ? trace_tipc_sk_rej_msg+0x25/0x170 [ 529.573495][ C1] ? tipc_sk_filter_rcv+0x30d2/0x3380 [ 529.578711][ C1] tipc_node_xmit+0x34e/0xe40 [ 529.583314][ C1] ? tipc_node_get_linkname+0x190/0x190 [ 529.588696][ C1] tipc_node_distr_xmit+0x36a/0x4d0 [ 529.593724][ C1] ? tipc_node_xmit_skb+0x1b0/0x1b0 [ 529.598761][ C1] ? preempt_schedule_irq+0xe7/0x140 [ 529.604219][ C1] tipc_sk_backlog_rcv+0x18b/0x210 [ 529.609167][ C1] ? tipc_sk_timeout+0xab0/0xab0 [ 529.613936][ C1] __release_sock+0x145/0x410 [ 529.618448][ C1] sock_setsockopt+0x1831/0x2f30 [ 529.623230][ C1] ? __sock_set_mark+0x160/0x160 [ 529.627996][ C1] ? selinux_socket_setsockopt+0x260/0x360 [ 529.633644][ C1] ? selinux_socket_getsockopt+0x340/0x340 [ 529.639289][ C1] ? security_socket_setsockopt+0x82/0xb0 [ 529.644838][ C1] __sys_setsockopt+0x3c3/0x7e0 [ 529.649520][ C1] ? __ia32_sys_recv+0xb0/0xb0 [ 529.654119][ C1] ? __kasan_check_write+0x14/0x20 [ 529.659066][ C1] __x64_sys_setsockopt+0xbf/0xd0 [ 529.663932][ C1] x64_sys_call+0x1a2/0x9a0 [ 529.668395][ C1] do_syscall_64+0x3b/0x80 [ 529.672641][ C1] ? clear_bhb_loop+0x35/0x90 [ 529.677153][ C1] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 529.682882][ C1] RIP: 0033:0x7f857e4423e9 [ 529.687163][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 529.706699][ C1] RSP: 002b:00007f857e3e2218 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 529.714945][ C1] RAX: ffffffffffffffda RBX: 00007f857e3e26c0 RCX: 00007f857e4423e9 [ 529.722753][ C1] RDX: 0000000000000021 RSI: 0000000000000001 RDI: 0000000000000003 [ 529.730588][ C1] RBP: 00007f857e4cc338 R08: 0000000000000004 R09: 0000000000000000 [ 529.738372][ C1] R10: 0000200000000540 R11: 0000000000000246 R12: 0000200000000500 [ 529.746194][ C1] R13: 00007f857e4cc330 R14: 00007f857e4cc33c R15: 0000200000000004 [ 529.754010][ C1]