./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2603033443 <...> Warning: Permanently added '10.128.0.136' (ED25519) to the list of known hosts. execve("./syz-executor2603033443", ["./syz-executor2603033443"], 0x7fffc70b3b10 /* 10 vars */) = 0 brk(NULL) = 0x55558059c000 brk(0x55558059cd40) = 0x55558059cd40 arch_prctl(ARCH_SET_FS, 0x55558059c3c0) = 0 set_tid_address(0x55558059c690) = 288 set_robust_list(0x55558059c6a0, 24) = 0 rseq(0x55558059cce0, 0x20, 0, 0x53053053) = -1 ENOSYS (Function not implemented) prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2603033443", 4096) = 28 getrandom("\x8d\xd9\x02\xda\x31\x8a\xed\x65", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55558059cd40 brk(0x5555805bdd40) = 0x5555805bdd40 brk(0x5555805be000) = 0x5555805be000 mprotect(0x7f6b25781000, 16384, PROT_READ) = 0 mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000 mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000 mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 289 ./strace-static-x86_64: Process 289 attached [pid 289] set_robust_list(0x55558059c6a0, 24) = 0 [pid 289] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 289] setpgid(0, 0) = 0 [pid 289] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 289] write(3, "1000", 4) = 4 [pid 289] close(3) = 0 [pid 289] write(1, "executing program\n", 18executing program ) = 18 [pid 289] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 289] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 289] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 289] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 289] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 289] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 289] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 290 attached => {parent_tid=[290]}, 88) = 290 [pid 290] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 290] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 290] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 289] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 289] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 290] <... futex resumed>) = 0 [pid 289] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 290] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 290] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 290] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 289] <... futex resumed>) = 0 [pid 289] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 290] <... futex resumed>) = 0 [pid 290] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 289] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 289] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 289] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 290] <... sendmsg resumed>) = 0 [pid 290] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 289] <... mprotect resumed>) = 0 [pid 290] <... sendmsg resumed>) = 0 [pid 289] rt_sigprocmask(SIG_BLOCK, ~[], [pid 290] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 289] <... rt_sigprocmask resumed>[], 8) = 0 [pid 290] <... sendmsg resumed>) = 0 [pid 289] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0}./strace-static-x86_64: Process 291 attached [pid 290] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 291] set_robust_list(0x7f6b2569d9a0, 24 [pid 290] <... sendmsg resumed>) = 0 [pid 289] <... clone3 resumed> => {parent_tid=[291]}, 88) = 291 [pid 290] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 289] rt_sigprocmask(SIG_SETMASK, [], [pid 291] <... set_robust_list resumed>) = 0 [pid 291] rt_sigprocmask(SIG_SETMASK, [], [pid 290] <... sendmsg resumed>) = 0 [pid 289] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 291] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 290] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 289] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000 [pid 290] <... sendmsg resumed>) = 0 [pid 289] <... futex resumed>) = 0 [pid 291] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 290] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 289] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 291] <... setsockopt resumed>) = 0 [pid 291] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 290] <... sendmsg resumed>) = 0 [pid 290] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 290] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 290] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 290] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 290] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 290] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 290] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 290] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 291] <... futex resumed>) = 1 [pid 289] <... futex resumed>) = 0 [pid 290] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 291] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 290] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 290] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 290] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 290] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 290] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 290] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 290] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 290] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 290] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 290] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 290] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 290] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 290] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 290] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 290] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 290] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 290] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 290] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 290] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 290] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 289] exit_group(0) = ? [pid 291] <... futex resumed>) = ? [pid 291] +++ exited with 0 +++ [pid 290] <... futex resumed>) = ? [pid 290] +++ exited with 0 +++ [pid 289] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=289, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 292 ./strace-static-x86_64: Process 292 attached [pid 292] set_robust_list(0x55558059c6a0, 24) = 0 [pid 292] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 292] setpgid(0, 0) = 0 [pid 292] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 executing program [pid 292] write(3, "1000", 4) = 4 [pid 292] close(3) = 0 [pid 292] write(1, "executing program\n", 18) = 18 [pid 292] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 292] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 292] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 292] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 292] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 292] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 292] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0} => {parent_tid=[293]}, 88) = 293 [pid 292] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 292] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 292] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 293 attached [pid 293] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 293] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 293] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 293] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000 [pid 292] <... futex resumed>) = 0 [pid 292] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 292] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 292] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 292] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 292] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 292] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} => {parent_tid=[294]}, 88) = 294 [pid 292] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 292] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 292] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 293] <... futex resumed>) = 1 ./strace-static-x86_64: Process 294 attached [pid 293] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 293] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 293] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 294] set_robust_list(0x7f6b2569d9a0, 24 [pid 293] <... sendmsg resumed>) = 0 [pid 294] <... set_robust_list resumed>) = 0 [pid 293] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 294] rt_sigprocmask(SIG_SETMASK, [], [pid 293] <... sendmsg resumed>) = 0 [pid 294] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 294] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 293] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 294] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 293] <... sendmsg resumed>) = 0 [pid 292] <... futex resumed>) = 0 [pid 294] <... futex resumed>) = 1 [pid 294] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 293] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 293] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 293] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 293] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 293] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 293] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 293] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 293] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 293] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 293] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 293] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 293] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 293] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 293] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 293] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 293] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 293] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 293] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 293] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 293] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 293] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 293] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 293] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 293] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 293] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 293] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 293] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 293] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 293] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 293] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 292] exit_group(0 [pid 294] <... futex resumed>) = ? [pid 293] <... futex resumed>) = ? [pid 292] <... exit_group resumed>) = ? [pid 294] +++ exited with 0 +++ [pid 293] +++ exited with 0 +++ [pid 292] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=292, si_uid=0, si_status=0, 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 295 attached , child_tidptr=0x55558059c690) = 295 [pid 295] set_robust_list(0x55558059c6a0, 24) = 0 [pid 295] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 295] setpgid(0, 0) = 0 [pid 295] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 295] write(3, "1000", 4) = 4 [pid 295] close(3) = 0 [pid 295] write(1, "executing program\n", 18executing program ) = 18 [pid 295] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 295] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 295] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 295] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 295] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 295] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 295] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 296 attached => {parent_tid=[296]}, 88) = 296 [pid 296] set_robust_list(0x7f6b256be9a0, 24 [pid 295] rt_sigprocmask(SIG_SETMASK, [], [pid 296] <... set_robust_list resumed>) = 0 [pid 295] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 296] rt_sigprocmask(SIG_SETMASK, [], [pid 295] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 295] <... futex resumed>) = 0 [pid 296] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 295] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 296] <... socketpair resumed>[3, 4]) = 0 [pid 296] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 295] <... futex resumed>) = 0 [pid 295] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 295] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 295] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 295] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 296] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 295] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 295] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} => {parent_tid=[297]}, 88) = 297 [pid 296] <... sendmsg resumed>) = 0 [pid 295] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 295] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 295] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 297 attached [pid 297] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 297] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 297] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] <... futex resumed>) = 0 [pid 296] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 297] <... futex resumed>) = 1 [pid 297] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 296] <... sendmsg resumed>) = 0 [pid 296] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 296] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 296] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 296] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 296] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 296] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 296] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 296] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 296] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [ 216.612761][ T30] audit: type=1400 audit(1754740916.131:64): avc: denied { execmem } for pid=288 comm="syz-executor260" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 216.623504][ T30] audit: type=1400 audit(1754740916.141:65): avc: denied { create } for pid=289 comm="syz-executor260" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=tipc_socket permissive=1 [ 216.629046][ T30] audit: type=1400 audit(1754740916.151:66): avc: denied { write } for pid=289 comm="syz-executor260" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=tipc_socket permissive=1 [ 216.635314][ T30] audit: type=1400 audit(1754740916.151:67): avc: denied { setopt } for pid=289 comm="syz-executor260" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=tipc_socket permissive=1 [pid 296] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 296] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 296] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 296] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 296] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 296] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 296] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 296] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 296] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 296] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 296] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 296] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 296] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 296] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 296] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 296] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 296] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 296] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 296] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 296] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 296] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 296] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 296] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 296] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 295] exit_group(0 [pid 296] <... futex resumed>) = ? [pid 295] <... exit_group resumed>) = ? [pid 296] +++ exited with 0 +++ [pid 297] <... futex resumed>) = ? [pid 297] +++ exited with 0 +++ [pid 295] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=295, si_uid=0, si_status=0, 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 298 attached , child_tidptr=0x55558059c690) = 298 [pid 298] set_robust_list(0x55558059c6a0, 24) = 0 [pid 298] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 298] setpgid(0, 0) = 0 [pid 298] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 298] write(3, "1000", 4) = 4 [pid 298] close(3) = 0 executing program [pid 298] write(1, "executing program\n", 18) = 18 [pid 298] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 298] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 298] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 298] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 298] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 298] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 298] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 299 attached [pid 299] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 299] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 299] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 298] <... clone3 resumed> => {parent_tid=[299]}, 88) = 299 [pid 298] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 298] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 299] <... futex resumed>) = 0 [pid 299] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 298] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 299] <... socketpair resumed>[3, 4]) = 0 [pid 299] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 299] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 298] <... futex resumed>) = 0 [pid 298] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 299] <... futex resumed>) = 0 [pid 299] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 299] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 299] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 299] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 299] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 299] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 298] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 299] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 298] <... futex resumed>) = 0 [pid 298] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 299] <... sendmsg resumed>) = 0 [pid 299] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 298] <... mmap resumed>) = 0x7f6b2567d000 [pid 299] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 298] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 299] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 298] <... mprotect resumed>) = 0 [pid 299] <... sendmsg resumed>) = 0 [pid 299] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 298] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 299] <... sendmsg resumed>) = 0 [pid 298] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 299] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 299] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 298] <... clone3 resumed> => {parent_tid=[300]}, 88) = 300 [pid 299] <... sendmsg resumed>) = 0 [pid 298] rt_sigprocmask(SIG_SETMASK, [], [pid 299] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 298] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 298] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 299] <... sendmsg resumed>) = 0 [pid 298] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 299] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 299] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 299] 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 300 attached ) = 0 [pid 299] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 299] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 299] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 299] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 299] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 299] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 299] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 299] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 299] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 299] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 299] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 299] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 299] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 299] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 299] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 299] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 299] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 300] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 300] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 300] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 300] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 300] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 298] <... futex resumed>) = 0 [pid 298] exit_group(0) = ? [pid 299] <... futex resumed>) = ? [pid 299] +++ exited with 0 +++ [pid 300] <... futex resumed>) = ? [pid 300] +++ exited with 0 +++ [pid 298] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=298, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 301 ./strace-static-x86_64: Process 301 attached [pid 301] set_robust_list(0x55558059c6a0, 24) = 0 [pid 301] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 301] setpgid(0, 0) = 0 [pid 301] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 301] write(3, "1000", 4) = 4 [pid 301] close(3executing program ) = 0 [pid 301] write(1, "executing program\n", 18) = 18 [pid 301] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 301] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 301] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 301] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 301] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 301] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 301] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0} => {parent_tid=[302]}, 88) = 302 [pid 301] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 301] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 301] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 302 attached [pid 302] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 302] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 302] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 302] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 301] <... futex resumed>) = 0 [pid 301] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 301] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 301] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 301] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 301] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 301] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 302] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 302] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 301] <... clone3 resumed> => {parent_tid=[303]}, 88) = 303 [pid 302] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 301] rt_sigprocmask(SIG_SETMASK, [], [pid 302] <... sendmsg resumed>) = 0 [pid 301] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 301] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000 [pid 302] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 301] <... futex resumed>) = 0 [pid 302] <... sendmsg resumed>) = 0 [pid 301] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 302] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 302] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 302] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 302] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 302] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 302] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 302] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 302] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 302] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 302] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 302] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 302] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 302] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 302] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 302] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 302] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 302] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 302] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 302] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 302] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 302] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 302] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 302] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 302] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 302] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 302] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 302] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 302] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 302] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 302] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 302] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 303 attached [pid 303] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 303] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 303] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 303] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 301] <... futex resumed>) = 0 [pid 301] exit_group(0) = ? [pid 302] <... futex resumed>) = ? [pid 302] +++ exited with 0 +++ [pid 303] +++ exited with 0 +++ [pid 301] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=301, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 304 ./strace-static-x86_64: Process 304 attached [pid 304] set_robust_list(0x55558059c6a0, 24) = 0 [pid 304] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 304] setpgid(0, 0) = 0 [pid 304] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 304] write(3, "1000", 4) = 4 [pid 304] close(3) = 0 [pid 304] write(1, "executing program\n", 18executing program ) = 18 [pid 304] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 304] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 304] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 304] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 304] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0} => {parent_tid=[305]}, 88) = 305 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 304] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 304] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 305 attached [pid 305] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 305] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 305] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... futex resumed>) = 0 [pid 304] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 304] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 304] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 304] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} => {parent_tid=[306]}, 88) = 306 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 304] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 304] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... futex resumed>) = 1 [pid 305] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 305] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 305] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 305] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 305] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 305] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 305] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 305] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 305] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 305] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 305] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 305] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 305] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 305] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 305] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 305] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 305] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 305] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 305] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 305] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 305] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 305] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 305] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 305] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 305] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 305] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 305] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 305] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 305] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 305] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 305] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 305] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 305] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 305] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 305] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 306 attached [pid 306] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 306] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 306] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... futex resumed>) = 0 [pid 304] exit_group(0) = ? [pid 305] <... futex resumed>) = ? [pid 305] +++ exited with 0 +++ [pid 306] <... futex resumed>) = ? [pid 306] +++ exited with 0 +++ [pid 304] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=304, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 307 ./strace-static-x86_64: Process 307 attached [pid 307] set_robust_list(0x55558059c6a0, 24) = 0 [pid 307] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 307] setpgid(0, 0) = 0 [pid 307] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 307] write(3, "1000", 4executing program ) = 4 [pid 307] close(3) = 0 [pid 307] write(1, "executing program\n", 18) = 18 [pid 307] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 307] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 307] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 307] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 307] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 308 attached [pid 308] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 308] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 307] <... clone3 resumed> => {parent_tid=[308]}, 88) = 308 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 307] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 307] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 308] <... futex resumed>) = 0 [pid 308] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 308] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 307] <... futex resumed>) = 0 [pid 307] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 307] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 307] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 307] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [pid 308] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 307] <... rt_sigprocmask resumed>[], 8) = 0 [pid 307] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} => {parent_tid=[309]}, 88) = 309 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 307] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 307] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 309 attached [pid 309] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 309] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 309] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 307] <... futex resumed>) = 0 [pid 309] <... futex resumed>) = 1 [pid 309] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 308] <... sendmsg resumed>) = 0 [pid 308] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 308] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 308] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 308] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 308] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 308] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 308] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 308] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 308] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 308] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 308] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 308] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 308] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 308] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 308] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 308] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 308] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 308] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 308] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 308] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 308] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 308] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 308] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 308] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 308] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 308] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 308] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 308] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 308] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 308] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 308] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 308] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 308] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 308] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 307] exit_group(0) = ? [pid 308] <... futex resumed>) = ? [pid 309] <... futex resumed>) = ? [pid 308] +++ exited with 0 +++ [pid 309] +++ exited with 0 +++ [pid 307] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=307, 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 310 attached , child_tidptr=0x55558059c690) = 310 [pid 310] set_robust_list(0x55558059c6a0, 24) = 0 [pid 310] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 310] setpgid(0, 0) = 0 [pid 310] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 310] write(3, "1000", 4) = 4 [pid 310] close(3) = 0 executing program [pid 310] write(1, "executing program\n", 18) = 18 [pid 310] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 310] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 310] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 310] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 310] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 310] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 311 attached [pid 311] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 311] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 310] <... clone3 resumed> => {parent_tid=[311]}, 88) = 311 [pid 310] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 310] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 311] <... futex resumed>) = 0 [pid 310] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 311] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 310] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 311] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 310] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 311] <... futex resumed>) = 0 [pid 311] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 311] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 311] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 311] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 311] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 311] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 311] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 311] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 311] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 311] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 311] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 311] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 311] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 311] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 311] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 311] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 311] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 311] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 311] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 311] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 311] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 311] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 311] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 311] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 311] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 311] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 311] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 311] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 311] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 311] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 311] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 311] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 311] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 311] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 311] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 310] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 311] <... futex resumed>) = 0 [pid 310] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 311] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 311] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 310] <... futex resumed>) = 0 [pid 310] exit_group(0) = ? [pid 311] <... futex resumed>) = ? [pid 311] +++ exited with 0 +++ [pid 310] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=310, si_uid=0, si_status=0, 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 312 attached , child_tidptr=0x55558059c690) = 312 [pid 312] set_robust_list(0x55558059c6a0, 24) = 0 [pid 312] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 312] setpgid(0, 0) = 0 [pid 312] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 312] write(3, "1000", 4) = 4 [pid 312] close(3) = 0 [pid 312] write(1, "executing program\n", 18executing program ) = 18 [pid 312] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 312] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 312] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 312] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 312] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 312] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0} => {parent_tid=[313]}, 88) = 313 [pid 312] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 312] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 312] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 313 attached [pid 313] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 313] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 313] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 313] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... futex resumed>) = 0 [pid 312] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 312] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 312] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 312] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 312] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} => {parent_tid=[314]}, 88) = 314 [pid 313] <... futex resumed>) = 1 [pid 312] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 312] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 312] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 314 attached [pid 314] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 314] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 314] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 314] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... futex resumed>) = 0 [pid 314] <... futex resumed>) = 1 [pid 314] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 313] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 313] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 313] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 313] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 313] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 313] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 313] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 313] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 313] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 313] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 313] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 313] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 313] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 313] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 313] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 313] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 313] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 313] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 313] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 313] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 313] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 313] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 313] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 313] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 313] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 313] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 313] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 313] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 313] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 313] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 313] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 313] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 313] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 313] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 313] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 312] exit_group(0 [pid 314] <... futex resumed>) = ? [pid 313] <... futex resumed>) = ? [pid 312] <... exit_group resumed>) = ? [pid 313] +++ exited with 0 +++ [pid 314] +++ exited with 0 +++ [pid 312] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=312, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 315 ./strace-static-x86_64: Process 315 attached [pid 315] set_robust_list(0x55558059c6a0, 24) = 0 [pid 315] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 315] setpgid(0, 0) = 0 [pid 315] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 315] write(3, "1000", 4) = 4 [pid 315] close(3) = 0 executing program [pid 315] write(1, "executing program\n", 18) = 18 [pid 315] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 315] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 315] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 315] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 315] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 315] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 315] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 316 attached [pid 316] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 316] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 316] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 315] <... clone3 resumed> => {parent_tid=[316]}, 88) = 316 [pid 315] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 315] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 316] <... futex resumed>) = 0 [pid 316] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 315] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 316] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 316] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 315] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 315] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 316] <... futex resumed>) = 0 [pid 315] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 316] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 316] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 316] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 316] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 316] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 316] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 316] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 316] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 316] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 316] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 316] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 316] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 316] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 316] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 316] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 316] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 316] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 316] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 316] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 316] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 316] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 316] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 316] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 316] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 316] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 316] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 316] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 316] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 316] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 316] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 316] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 316] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 316] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 316] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 316] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 315] <... futex resumed>) = 0 [pid 315] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 315] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 315] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 315] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0}./strace-static-x86_64: Process 317 attached => {parent_tid=[317]}, 88) = 317 [pid 317] set_robust_list(0x7f6b2569d9a0, 24 [pid 315] rt_sigprocmask(SIG_SETMASK, [], [pid 317] <... set_robust_list resumed>) = 0 [pid 315] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 317] rt_sigprocmask(SIG_SETMASK, [], [pid 315] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000 [pid 317] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 315] <... futex resumed>) = 0 [pid 317] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 315] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 317] <... setsockopt resumed>) = 0 [pid 317] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 315] <... futex resumed>) = 0 [pid 317] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 315] exit_group(0) = ? [pid 316] <... futex resumed>) = ? [pid 316] +++ exited with 0 +++ [pid 317] <... futex resumed>) = ? [pid 317] +++ exited with 0 +++ [pid 315] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=315, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 318 ./strace-static-x86_64: Process 318 attached [pid 318] set_robust_list(0x55558059c6a0, 24) = 0 [pid 318] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 318] setpgid(0, 0) = 0 [pid 318] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 318] write(3, "1000", 4) = 4 [pid 318] close(3executing program ) = 0 [pid 318] write(1, "executing program\n", 18) = 18 [pid 318] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 318] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 318] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 318] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 318] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 318] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 318] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0} => {parent_tid=[319]}, 88) = 319 [pid 318] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 318] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 318] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 319 attached [pid 319] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 319] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 319] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 319] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000 [pid 318] <... futex resumed>) = 0 [pid 318] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 318] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 318] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 318] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 318] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 318] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} => {parent_tid=[320]}, 88) = 320 [pid 318] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 318] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 318] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 319] <... futex resumed>) = 1 [pid 319] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 319] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 319] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 319] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 319] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 319] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 319] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 319] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 319] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 319] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 319] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 319] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 319] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 319] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 319] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 319] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 319] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 319] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 319] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 319] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 319] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 319] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 319] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 319] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 319] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 319] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 319] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 319] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 319] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 319] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 319] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 319] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 319] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 319] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 319] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 320 attached [pid 320] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 320] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 320] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 320] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 318] <... futex resumed>) = 0 [pid 318] exit_group(0) = ? [pid 319] <... futex resumed>) = ? [pid 319] +++ exited with 0 +++ [pid 320] <... futex resumed>) = ? [pid 320] +++ exited with 0 +++ [pid 318] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=318, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 321 ./strace-static-x86_64: Process 321 attached [pid 321] set_robust_list(0x55558059c6a0, 24) = 0 [pid 321] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 321] setpgid(0, 0) = 0 [pid 321] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 321] write(3, "1000", 4) = 4 [pid 321] close(3) = 0 [pid 321] write(1, "executing program\n", 18executing program ) = 18 [pid 321] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 321] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 321] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 321] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 321] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 321] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 321] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 322 attached => {parent_tid=[322]}, 88) = 322 [pid 322] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 322] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 322] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 321] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 321] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 322] <... futex resumed>) = 0 [pid 322] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 321] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 322] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 322] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 321] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 321] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 322] <... futex resumed>) = 0 [pid 322] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 322] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 322] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 322] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 322] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 322] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 322] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 322] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 322] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 322] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 322] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 322] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 322] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 322] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 322] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 322] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 322] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 322] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 322] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 322] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 322] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 322] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 322] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 322] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 322] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 322] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 322] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 322] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 322] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 322] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 322] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 322] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 322] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 322] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 322] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 321] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 322] <... futex resumed>) = 0 [pid 322] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 322] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 322] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 321] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 321] exit_group(0 [pid 322] <... futex resumed>) = ? [pid 321] <... exit_group resumed>) = ? [pid 322] +++ exited with 0 +++ [pid 321] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=321, si_uid=0, si_status=0, 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 323 attached , child_tidptr=0x55558059c690) = 323 [pid 323] set_robust_list(0x55558059c6a0, 24) = 0 [pid 323] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 323] setpgid(0, 0) = 0 [pid 323] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 323] write(3, "1000", 4) = 4 [pid 323] close(3) = 0 executing program [pid 323] write(1, "executing program\n", 18) = 18 [pid 323] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 323] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 323] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 323] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 323] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 323] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 323] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 324 attached [pid 324] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 324] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 324] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 323] <... clone3 resumed> => {parent_tid=[324]}, 88) = 324 [pid 323] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 323] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 324] <... futex resumed>) = 0 [pid 323] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 324] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 324] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 324] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 323] <... futex resumed>) = 0 [pid 323] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 323] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 323] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 323] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 323] rt_sigprocmask(SIG_BLOCK, ~[], [pid 324] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 323] <... rt_sigprocmask resumed>[], 8) = 0 [pid 323] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} => {parent_tid=[325]}, 88) = 325 [pid 324] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 323] rt_sigprocmask(SIG_SETMASK, [], [pid 324] <... sendmsg resumed>) = 0 [pid 323] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 323] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 323] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 325 attached [pid 325] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 325] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 325] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 325] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 323] <... futex resumed>) = 0 [pid 325] <... futex resumed>) = 1 [pid 324] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 325] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 324] <... sendmsg resumed>) = 0 [pid 324] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 324] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 324] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 324] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 324] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 324] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 324] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 324] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 324] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 324] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 324] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 324] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 324] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 324] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 324] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 324] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 324] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 324] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 324] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 324] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 324] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 324] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 324] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 324] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 324] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 324] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 324] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 324] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 324] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 324] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 324] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 324] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 324] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 323] exit_group(0 [pid 325] <... futex resumed>) = ? [pid 324] <... futex resumed>) = ? [pid 323] <... exit_group resumed>) = ? [pid 324] +++ exited with 0 +++ [pid 325] +++ exited with 0 +++ [pid 323] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=323, 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=0x55558059c690) = 326 ./strace-static-x86_64: Process 326 attached [pid 326] set_robust_list(0x55558059c6a0, 24) = 0 [pid 326] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 326] setpgid(0, 0) = 0 [pid 326] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 326] write(3, "1000", 4) = 4 [pid 326] close(3) = 0 [pid 326] write(1, "executing program\n", 18executing program ) = 18 [pid 326] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 326] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 326] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 326] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 326] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 326] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 326] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 327 attached => {parent_tid=[327]}, 88) = 327 [pid 327] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 327] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 327] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 326] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 326] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 327] <... futex resumed>) = 0 [pid 327] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 327] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 327] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 326] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 326] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 327] <... futex resumed>) = 0 [pid 327] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 327] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 327] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 327] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 327] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 327] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 327] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 327] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 327] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 327] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 327] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 327] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 327] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 327] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 326] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 327] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 327] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 327] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 327] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 326] <... futex resumed>) = 0 [pid 327] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 327] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 326] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 327] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 327] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 327] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 327] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 327] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 326] <... mmap resumed>) = 0x7f6b2567d000 [pid 327] <... sendmsg resumed>) = 0 [pid 327] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 326] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 327] <... sendmsg resumed>) = 0 [pid 327] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 327] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 327] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 327] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 327] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 327] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 327] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 327] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 327] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 326] <... mprotect resumed>) = 0 [pid 326] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 326] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0}./strace-static-x86_64: Process 328 attached => {parent_tid=[328]}, 88) = 328 [pid 328] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 328] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 328] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 326] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 326] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 328] <... futex resumed>) = 0 [pid 328] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 328] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 328] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 326] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 326] exit_group(0 [pid 327] <... futex resumed>) = ? [pid 326] <... exit_group resumed>) = ? [pid 327] +++ exited with 0 +++ [pid 328] <... futex resumed>) = ? [pid 328] +++ exited with 0 +++ [pid 326] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=326, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 329 ./strace-static-x86_64: Process 329 attached [pid 329] set_robust_list(0x55558059c6a0, 24) = 0 [pid 329] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 329] setpgid(0, 0) = 0 [pid 329] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 329] write(3, "1000", 4) = 4 [pid 329] close(3) = 0 [pid 329] write(1, "executing program\n", 18executing program ) = 18 [pid 329] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 329] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 329] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 329] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 329] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 329] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 329] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 330 attached => {parent_tid=[330]}, 88) = 330 [pid 330] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 330] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 330] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 329] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 329] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 330] <... futex resumed>) = 0 [pid 330] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 329] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 330] <... socketpair resumed>[3, 4]) = 0 [pid 330] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 330] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 329] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 329] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 330] <... futex resumed>) = 0 [pid 330] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 330] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 330] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 330] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 330] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 329] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 330] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 330] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 330] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 330] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 330] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 330] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 330] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 330] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 330] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 329] <... futex resumed>) = 0 [pid 330] <... sendmsg resumed>) = 0 [pid 330] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 330] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 330] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 330] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 330] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 330] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 330] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 330] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 330] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 330] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 330] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 330] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 330] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 330] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 330] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 330] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 330] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 330] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 330] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 330] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 330] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 329] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 329] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 329] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 329] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0}./strace-static-x86_64: Process 331 attached => {parent_tid=[331]}, 88) = 331 [pid 331] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 331] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 331] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 329] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 329] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 331] <... futex resumed>) = 0 [pid 331] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 331] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 331] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 329] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 329] exit_group(0 [pid 330] <... futex resumed>) = ? [pid 329] <... exit_group resumed>) = ? [pid 330] +++ exited with 0 +++ [pid 331] <... futex resumed>) = ? [pid 331] +++ exited with 0 +++ [pid 329] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=329, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 332 ./strace-static-x86_64: Process 332 attached [pid 332] set_robust_list(0x55558059c6a0, 24) = 0 [pid 332] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 332] setpgid(0, 0) = 0 [pid 332] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 332] write(3, "1000", 4) = 4 [pid 332] close(3) = 0 [pid 332] write(1, "executing program\n", 18executing program ) = 18 [pid 332] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 332] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 332] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 332] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 332] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 332] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 332] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 333 attached => {parent_tid=[333]}, 88) = 333 [pid 333] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 333] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 333] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 332] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 332] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 333] <... futex resumed>) = 0 [pid 333] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 332] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 333] <... socketpair resumed>[3, 4]) = 0 [pid 333] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 332] <... futex resumed>) = 0 [pid 332] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 332] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 332] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 332] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 332] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 332] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} => {parent_tid=[334]}, 88) = 334 [pid 333] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 332] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 332] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 332] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 334 attached [pid 334] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 334] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 334] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 334] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 332] <... futex resumed>) = 0 [pid 334] <... futex resumed>) = 1 [pid 333] <... sendmsg resumed>) = 0 [pid 334] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 333] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 333] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 333] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 333] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 333] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 333] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 333] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 333] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 333] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 333] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 333] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 333] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 333] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 333] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 333] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 333] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 333] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 333] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 333] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 333] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 333] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 333] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 333] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 333] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 333] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 333] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 333] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 333] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 333] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 333] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 333] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 333] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 333] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 333] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 332] exit_group(0) = ? [pid 333] <... futex resumed>) = ? [pid 333] +++ exited with 0 +++ [pid 334] <... futex resumed>) = ? [pid 334] +++ exited with 0 +++ [pid 332] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=332, si_uid=0, si_status=0, 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 335 attached , child_tidptr=0x55558059c690) = 335 [pid 335] set_robust_list(0x55558059c6a0, 24) = 0 [pid 335] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 335] setpgid(0, 0) = 0 [pid 335] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 335] write(3, "1000", 4) = 4 [pid 335] close(3) = 0 executing program [pid 335] write(1, "executing program\n", 18) = 18 [pid 335] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 335] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 335] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 335] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 335] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 335] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 335] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 336 attached [pid 336] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 336] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 336] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 335] <... clone3 resumed> => {parent_tid=[336]}, 88) = 336 [pid 335] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 335] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 336] <... futex resumed>) = 0 [pid 336] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 335] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 336] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 336] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 335] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 335] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 336] <... futex resumed>) = 0 [pid 336] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 335] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 336] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 336] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 335] <... futex resumed>) = 0 [pid 336] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 336] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 335] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 336] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 336] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 335] <... mmap resumed>) = 0x7f6b2567d000 [pid 336] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 336] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 336] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 336] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 336] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 336] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 336] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 336] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 336] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 336] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 336] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 336] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 336] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 335] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 336] <... sendmsg resumed>) = 0 [pid 335] <... mprotect resumed>) = 0 [pid 336] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 335] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 335] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 336] <... sendmsg resumed>) = 0 [pid 336] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 336] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 336] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 335] <... clone3 resumed> => {parent_tid=[337]}, 88) = 337 [pid 335] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 336] <... sendmsg resumed>) = 0 [pid 335] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000 [pid 336] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 335] <... futex resumed>) = 0 [pid 336] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 335] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 336] <... sendmsg resumed>) = 0 [pid 336] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 336] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 336] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 336] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 336] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 336] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 336] 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 337 attached [pid 336] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 336] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 337] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 337] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 337] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 337] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 335] <... futex resumed>) = 0 [pid 335] exit_group(0) = ? [pid 336] <... futex resumed>) = ? [pid 336] +++ exited with 0 +++ [pid 337] +++ exited with 0 +++ [pid 335] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=335, si_uid=0, si_status=0, 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 338 attached , child_tidptr=0x55558059c690) = 338 [pid 338] set_robust_list(0x55558059c6a0, 24) = 0 [pid 338] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 338] setpgid(0, 0) = 0 [pid 338] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 338] write(3, "1000", 4) = 4 [pid 338] close(3) = 0 executing program [pid 338] write(1, "executing program\n", 18) = 18 [pid 338] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 338] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 338] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 338] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 338] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 338] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 338] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 339 attached => {parent_tid=[339]}, 88) = 339 [pid 339] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 339] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 339] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 338] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 338] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 339] <... futex resumed>) = 0 [pid 339] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 338] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 339] <... socketpair resumed>[3, 4]) = 0 [pid 339] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 339] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 338] <... futex resumed>) = 0 [pid 338] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 339] <... futex resumed>) = 0 [pid 338] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 339] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 339] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 339] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 338] <... futex resumed>) = 0 [pid 339] <... sendmsg resumed>) = 0 [pid 339] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 339] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 339] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 338] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 339] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 339] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 339] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 338] <... mmap resumed>) = 0x7f6b2567d000 [pid 339] <... sendmsg resumed>) = 0 [pid 339] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 338] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 339] <... sendmsg resumed>) = 0 [pid 338] <... mprotect resumed>) = 0 [pid 339] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 339] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 339] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 339] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 338] rt_sigprocmask(SIG_BLOCK, ~[], [pid 339] <... sendmsg resumed>) = 0 [pid 339] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 338] <... rt_sigprocmask resumed>[], 8) = 0 [pid 339] <... sendmsg resumed>) = 0 [pid 339] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 339] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 339] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 339] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 339] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 339] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 338] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 339] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 338] <... clone3 resumed> => {parent_tid=[340]}, 88) = 340 [pid 338] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 339] <... sendmsg resumed>) = 0 [pid 338] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000 [pid 339] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 338] <... futex resumed>) = 0 [pid 338] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 339] <... sendmsg resumed>) = 0 [pid 339] 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 340 attached [pid 339] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 340] set_robust_list(0x7f6b2569d9a0, 24 [pid 339] <... sendmsg resumed>) = 0 [pid 339] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 340] <... set_robust_list resumed>) = 0 [pid 339] <... sendmsg resumed>) = 0 [pid 339] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 339] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 339] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 340] rt_sigprocmask(SIG_SETMASK, [], [pid 339] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 339] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 340] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 339] <... sendmsg resumed>) = 0 [pid 339] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 339] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 340] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 339] <... sendmsg resumed>) = 0 [pid 339] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 339] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 340] <... setsockopt resumed>) = 0 [pid 340] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 338] <... futex resumed>) = 0 [pid 338] exit_group(0) = ? [pid 339] <... futex resumed>) = ? [pid 339] +++ exited with 0 +++ [pid 340] +++ exited with 0 +++ [pid 338] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=338, si_uid=0, si_status=0, 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 341 attached , child_tidptr=0x55558059c690) = 341 [pid 341] set_robust_list(0x55558059c6a0, 24) = 0 [pid 341] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 341] setpgid(0, 0) = 0 [pid 341] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 341] write(3, "1000", 4) = 4 [pid 341] close(3executing program ) = 0 [pid 341] write(1, "executing program\n", 18) = 18 [pid 341] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 341] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 341] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 341] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 341] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 341] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 341] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 342 attached => {parent_tid=[342]}, 88) = 342 [pid 342] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 342] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 342] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 341] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 341] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 342] <... futex resumed>) = 0 [pid 342] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 341] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 342] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000 [pid 341] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 342] <... futex resumed>) = 0 [pid 341] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000 [pid 342] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 341] <... futex resumed>) = 0 [pid 342] <... sendmsg resumed>) = 0 [pid 341] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 342] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 341] <... futex resumed>) = 0 [pid 342] <... sendmsg resumed>) = 0 [pid 341] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 342] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 341] <... mmap resumed>) = 0x7f6b2567d000 [pid 342] <... sendmsg resumed>) = 0 [pid 341] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 342] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 341] rt_sigprocmask(SIG_BLOCK, ~[], [pid 342] <... sendmsg resumed>) = 0 [pid 341] <... rt_sigprocmask resumed>[], 8) = 0 [pid 342] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 341] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 342] <... sendmsg resumed>) = 0 [pid 342] 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 343 attached [pid 341] <... clone3 resumed> => {parent_tid=[343]}, 88) = 343 [pid 343] set_robust_list(0x7f6b2569d9a0, 24 [pid 342] <... sendmsg resumed>) = 0 [pid 341] rt_sigprocmask(SIG_SETMASK, [], [pid 342] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 343] <... set_robust_list resumed>) = 0 [pid 341] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 343] rt_sigprocmask(SIG_SETMASK, [], [pid 342] <... sendmsg resumed>) = 0 [pid 343] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 342] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 341] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000 [pid 343] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 342] <... sendmsg resumed>) = 0 [pid 341] <... futex resumed>) = 0 [pid 343] <... setsockopt resumed>) = 0 [pid 342] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 341] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 343] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 342] <... sendmsg resumed>) = 0 [pid 343] <... futex resumed>) = 0 [pid 341] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 342] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 343] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 342] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 342] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 342] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 342] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 342] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 342] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 342] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 342] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 342] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 342] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 342] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 342] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 342] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 342] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 342] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 342] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 342] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 342] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 342] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 342] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 342] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 342] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 342] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 342] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 342] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 342] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 341] exit_group(0 [pid 342] <... futex resumed>) = ? [pid 341] <... exit_group resumed>) = ? [pid 342] +++ exited with 0 +++ [pid 343] <... futex resumed>) = ? [pid 343] +++ exited with 0 +++ [pid 341] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=341, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 344 ./strace-static-x86_64: Process 344 attached [pid 344] set_robust_list(0x55558059c6a0, 24) = 0 [pid 344] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 344] setpgid(0, 0) = 0 [pid 344] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 344] write(3, "1000", 4executing program ) = 4 [pid 344] close(3) = 0 [pid 344] write(1, "executing program\n", 18) = 18 [pid 344] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 344] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 344] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 344] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 344] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 344] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 344] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 345 attached => {parent_tid=[345]}, 88) = 345 [pid 345] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 345] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 345] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 344] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 344] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 345] <... futex resumed>) = 0 [pid 345] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 344] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 345] <... socketpair resumed>[3, 4]) = 0 [pid 345] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 344] <... futex resumed>) = 0 [pid 344] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 344] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 344] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 344] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 344] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 344] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} => {parent_tid=[346]}, 88) = 346 [pid 345] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 344] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 344] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 344] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 346 attached [pid 346] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 346] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 346] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 346] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 344] <... futex resumed>) = 0 [pid 346] <... futex resumed>) = 1 [pid 346] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 345] <... sendmsg resumed>) = 0 [pid 345] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 345] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 345] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 345] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 345] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 345] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 345] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 345] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 345] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 345] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 345] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 345] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 345] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 345] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 345] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 345] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 345] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 345] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 345] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 345] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 345] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 345] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 345] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 345] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 345] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 345] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 345] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 345] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 345] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 345] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 345] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 345] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 345] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 345] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 344] exit_group(0 [pid 345] <... futex resumed>) = ? [pid 344] <... exit_group resumed>) = ? [pid 345] +++ exited with 0 +++ [pid 346] <... futex resumed>) = ? [pid 346] +++ exited with 0 +++ [pid 344] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=344, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 347 ./strace-static-x86_64: Process 347 attached [pid 347] set_robust_list(0x55558059c6a0, 24) = 0 [pid 347] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 347] setpgid(0, 0) = 0 [pid 347] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 347] write(3, "1000", 4) = 4 [pid 347] close(3) = 0 [pid 347] write(1, "executing program\n", 18executing program ) = 18 [pid 347] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 347] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 347] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 347] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 347] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 347] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 347] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 348 attached => {parent_tid=[348]}, 88) = 348 [pid 348] set_robust_list(0x7f6b256be9a0, 24 [pid 347] rt_sigprocmask(SIG_SETMASK, [], [pid 348] <... set_robust_list resumed>) = 0 [pid 348] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 348] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 347] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 347] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 348] <... futex resumed>) = 0 [pid 348] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 347] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 348] <... socketpair resumed>[3, 4]) = 0 [pid 348] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 348] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 347] <... futex resumed>) = 0 [pid 347] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 348] <... futex resumed>) = 0 [pid 347] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 348] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 348] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 348] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 347] <... futex resumed>) = 0 [pid 348] <... sendmsg resumed>) = 0 [pid 348] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 348] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 347] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 348] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 348] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 347] <... mmap resumed>) = 0x7f6b2567d000 [pid 348] <... sendmsg resumed>) = 0 [pid 348] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 348] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 347] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 348] <... sendmsg resumed>) = 0 [pid 348] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 347] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 347] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 348] <... sendmsg resumed>) = 0 [pid 348] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 348] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 347] <... clone3 resumed> => {parent_tid=[349]}, 88) = 349 [pid 347] rt_sigprocmask(SIG_SETMASK, [], [pid 348] <... sendmsg resumed>) = 0 [pid 347] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 349 attached [pid 347] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000 [pid 348] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 347] <... futex resumed>) = 0 [pid 347] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 349] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 349] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 349] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 349] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 347] <... futex resumed>) = 0 [pid 349] <... futex resumed>) = 1 [pid 349] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 348] <... sendmsg resumed>) = 0 [pid 348] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 348] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 348] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 348] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 348] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 348] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 348] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 348] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 348] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 348] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 348] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 348] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 348] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 348] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 348] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 348] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 348] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 348] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 348] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 348] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 348] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 347] exit_group(0) = ? [pid 349] <... futex resumed>) = ? [pid 349] +++ exited with 0 +++ [pid 348] +++ exited with 0 +++ [pid 347] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=347, si_uid=0, si_status=0, 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 350 attached , child_tidptr=0x55558059c690) = 350 [pid 350] set_robust_list(0x55558059c6a0, 24) = 0 [pid 350] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 350] setpgid(0, 0) = 0 [pid 350] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 350] write(3, "1000", 4) = 4 [pid 350] close(3) = 0 [pid 350] write(1, "executing program\n", 18executing program ) = 18 [pid 350] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 350] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 350] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 350] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 350] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 350] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 350] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 351 attached => {parent_tid=[351]}, 88) = 351 [pid 351] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 351] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 351] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 350] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 350] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 351] <... futex resumed>) = 0 [pid 351] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 350] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 351] <... socketpair resumed>[3, 4]) = 0 [pid 351] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000 [pid 350] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 351] <... futex resumed>) = 0 [pid 350] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000 [pid 351] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 351] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 351] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 351] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 351] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 350] <... futex resumed>) = 0 [pid 351] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 350] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 351] <... sendmsg resumed>) = 0 [pid 350] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 351] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 350] <... mmap resumed>) = 0x7f6b2567d000 [pid 350] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 351] <... sendmsg resumed>) = 0 [pid 350] <... mprotect resumed>) = 0 [pid 351] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 350] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 351] <... sendmsg resumed>) = 0 [pid 350] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 351] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 350] <... clone3 resumed> => {parent_tid=[352]}, 88) = 352 ./strace-static-x86_64: Process 352 attached [pid 351] <... sendmsg resumed>) = 0 [pid 350] rt_sigprocmask(SIG_SETMASK, [], [pid 351] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 350] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 352] set_robust_list(0x7f6b2569d9a0, 24 [pid 350] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000 [pid 351] <... sendmsg resumed>) = 0 [pid 350] <... futex resumed>) = 0 [pid 352] <... set_robust_list resumed>) = 0 [pid 351] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 350] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 352] rt_sigprocmask(SIG_SETMASK, [], [pid 351] <... sendmsg resumed>) = 0 [pid 352] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 352] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 351] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 352] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 350] <... futex resumed>) = 0 [pid 351] <... sendmsg resumed>) = 0 [pid 352] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 351] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 351] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 351] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 351] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 351] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 351] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 351] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 351] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 351] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 351] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 351] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 351] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 351] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 351] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 351] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 351] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 351] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 351] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 351] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 351] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 351] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 351] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 351] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 350] exit_group(0) = ? [pid 351] <... futex resumed>) = ? [pid 351] +++ exited with 0 +++ [pid 352] <... futex resumed>) = ? [pid 352] +++ exited with 0 +++ [pid 350] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=350, 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=0x55558059c690) = 353 ./strace-static-x86_64: Process 353 attached [pid 353] set_robust_list(0x55558059c6a0, 24) = 0 [pid 353] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 353] setpgid(0, 0) = 0 [pid 353] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 353] write(3, "1000", 4) = 4 [pid 353] close(3executing program ) = 0 [pid 353] write(1, "executing program\n", 18) = 18 [pid 353] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 353] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 353] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 353] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 353] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 353] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 353] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 354 attached [pid 354] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 354] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 354] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 353] <... clone3 resumed> => {parent_tid=[354]}, 88) = 354 [pid 353] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 353] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000 [pid 354] <... futex resumed>) = 0 [pid 353] <... futex resumed>) = 1 [pid 354] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 353] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 354] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 354] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 353] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 353] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 354] <... futex resumed>) = 0 [pid 353] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 354] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 354] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 354] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 354] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 354] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 354] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 354] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 354] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 354] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 354] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 354] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 354] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 353] <... futex resumed>) = 0 [pid 353] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 354] <... sendmsg resumed>) = 0 [pid 353] <... mmap resumed>) = 0x7f6b2567d000 [pid 354] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 353] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 354] <... sendmsg resumed>) = 0 [pid 353] <... mprotect resumed>) = 0 [pid 354] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 353] rt_sigprocmask(SIG_BLOCK, ~[], [pid 354] <... sendmsg resumed>) = 0 [pid 353] <... rt_sigprocmask resumed>[], 8) = 0 [pid 354] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 353] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 354] <... sendmsg resumed>) = 0 [pid 354] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 354] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 353] <... clone3 resumed> => {parent_tid=[355]}, 88) = 355 [pid 354] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 353] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 353] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 354] <... sendmsg resumed>) = 0 [pid 353] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 354] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 354] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 354] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 354] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 354] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 354] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 354] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 354] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 354] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 354] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 354] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 354] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 354] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 354] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 354] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 354] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 354] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 355 attached [pid 355] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 355] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 355] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 355] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 353] <... futex resumed>) = 0 [pid 353] exit_group(0) = ? [pid 354] <... futex resumed>) = ? [pid 354] +++ exited with 0 +++ [pid 355] +++ exited with 0 +++ [pid 353] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=353, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 356 ./strace-static-x86_64: Process 356 attached [pid 356] set_robust_list(0x55558059c6a0, 24) = 0 [pid 356] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 356] setpgid(0, 0) = 0 [pid 356] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 356] write(3, "1000", 4) = 4 [pid 356] close(3) = 0 [pid 356] write(1, "executing program\n", 18executing program ) = 18 [pid 356] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 356] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 356] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 356] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 356] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 356] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 356] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 357 attached => {parent_tid=[357]}, 88) = 357 [pid 357] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 357] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 357] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 356] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 356] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 357] <... futex resumed>) = 0 [pid 357] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 356] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 357] <... socketpair resumed>[3, 4]) = 0 [pid 357] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 357] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 356] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 356] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 357] <... futex resumed>) = 0 [pid 357] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 357] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 357] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 357] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 357] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 357] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 357] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 356] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 357] <... sendmsg resumed>) = 0 [pid 357] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 357] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 357] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 357] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 357] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 357] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 357] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 356] <... futex resumed>) = 0 [pid 357] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 357] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 357] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 357] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 357] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 356] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 357] <... sendmsg resumed>) = 0 [pid 357] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 356] <... mmap resumed>) = 0x7f6b2567d000 [pid 357] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 356] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 357] <... sendmsg resumed>) = 0 [pid 356] <... mprotect resumed>) = 0 [pid 357] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 356] rt_sigprocmask(SIG_BLOCK, ~[], [pid 357] <... sendmsg resumed>) = 0 [pid 357] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 356] <... rt_sigprocmask resumed>[], 8) = 0 [pid 356] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 357] <... sendmsg resumed>) = 0 [pid 357] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 357] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 356] <... clone3 resumed> => {parent_tid=[358]}, 88) = 358 [pid 356] rt_sigprocmask(SIG_SETMASK, [], [pid 357] <... sendmsg resumed>) = 0 [pid 356] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 357] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 356] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 356] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 357] <... sendmsg resumed>) = 0 [pid 357] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 357] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 357] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 357] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 357] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 357] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 357] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 357] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 358 attached ) = 0 [pid 357] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 358] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 358] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 358] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 358] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 356] <... futex resumed>) = 0 [pid 356] exit_group(0) = ? [pid 357] <... futex resumed>) = ? [pid 357] +++ exited with 0 +++ [pid 358] +++ exited with 0 +++ [pid 356] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=356, si_uid=0, si_status=0, 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 359 attached , child_tidptr=0x55558059c690) = 359 [pid 359] set_robust_list(0x55558059c6a0, 24) = 0 [pid 359] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 359] setpgid(0, 0) = 0 [pid 359] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 359] write(3, "1000", 4) = 4 [pid 359] close(3) = 0 executing program [pid 359] write(1, "executing program\n", 18) = 18 [pid 359] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 359] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 359] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 359] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 359] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 359] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 359] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 360 attached => {parent_tid=[360]}, 88) = 360 [pid 360] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 360] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 360] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 359] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 359] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 360] <... futex resumed>) = 0 [pid 360] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 359] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 360] <... socketpair resumed>[3, 4]) = 0 [pid 360] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 360] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 359] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 359] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 360] <... futex resumed>) = 0 [pid 360] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 360] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 360] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 360] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 360] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 360] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 359] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 360] <... sendmsg resumed>) = 0 [pid 360] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 360] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 360] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 360] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 360] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 360] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 360] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 360] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 359] <... futex resumed>) = 0 [pid 360] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 360] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 360] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 359] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 360] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 360] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 360] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 360] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 360] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 359] <... mmap resumed>) = 0x7f6b2567d000 [pid 360] <... sendmsg resumed>) = 0 [pid 360] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 360] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 360] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 360] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 360] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 360] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 360] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 360] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 360] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 359] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 360] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 359] <... mprotect resumed>) = 0 [pid 360] <... sendmsg resumed>) = 0 [pid 359] rt_sigprocmask(SIG_BLOCK, ~[], [pid 360] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 359] <... rt_sigprocmask resumed>[], 8) = 0 [pid 359] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 360] <... sendmsg resumed>) = 0 [pid 360] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 360] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 361 attached [pid 359] <... clone3 resumed> => {parent_tid=[361]}, 88) = 361 [pid 361] set_robust_list(0x7f6b2569d9a0, 24 [pid 359] rt_sigprocmask(SIG_SETMASK, [], [pid 361] <... set_robust_list resumed>) = 0 [pid 359] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 361] rt_sigprocmask(SIG_SETMASK, [], [pid 359] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000 [pid 361] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 361] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 359] <... futex resumed>) = 0 [pid 359] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 361] <... setsockopt resumed>) = 0 [pid 361] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 359] <... futex resumed>) = 0 [pid 361] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 359] exit_group(0) = ? [pid 360] <... futex resumed>) = ? [pid 360] +++ exited with 0 +++ [pid 361] <... futex resumed>) = ? [pid 361] +++ exited with 0 +++ [pid 359] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=359, si_uid=0, si_status=0, 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 362 attached , child_tidptr=0x55558059c690) = 362 [pid 362] set_robust_list(0x55558059c6a0, 24) = 0 [pid 362] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 362] setpgid(0, 0) = 0 [pid 362] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 362] write(3, "1000", 4) = 4 [pid 362] close(3) = 0 executing program [pid 362] write(1, "executing program\n", 18) = 18 [pid 362] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 362] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 362] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 362] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 362] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 362] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 362] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 363 attached [pid 363] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 363] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 363] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 362] <... clone3 resumed> => {parent_tid=[363]}, 88) = 363 [pid 362] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 362] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 363] <... futex resumed>) = 0 [pid 363] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 362] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 363] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 363] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 362] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 362] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 363] <... futex resumed>) = 0 [pid 363] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 363] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 362] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 363] <... sendmsg resumed>) = 0 [pid 363] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 363] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 363] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 363] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 363] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 363] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 363] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 362] <... futex resumed>) = 0 [pid 362] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 362] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 362] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 362] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 363] <... sendmsg resumed>) = 0 [pid 363] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 363] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 363] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 363] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 363] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 363] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 363] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 363] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 363] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 363] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 363] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 363] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 363] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 363] 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 364 attached [pid 362] <... clone3 resumed> => {parent_tid=[364]}, 88) = 364 [pid 363] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 362] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 362] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000 [pid 363] <... sendmsg resumed>) = 0 [pid 363] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 362] <... futex resumed>) = 0 [pid 363] <... sendmsg resumed>) = 0 [pid 362] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 363] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 363] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 363] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 363] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 363] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 363] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 363] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 363] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 363] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 363] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 364] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 364] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 364] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 364] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 362] <... futex resumed>) = 0 [pid 362] exit_group(0) = ? [pid 363] <... futex resumed>) = ? [pid 363] +++ exited with 0 +++ [pid 364] +++ exited with 0 +++ [pid 362] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=362, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 365 ./strace-static-x86_64: Process 365 attached [pid 365] set_robust_list(0x55558059c6a0, 24) = 0 [pid 365] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 365] setpgid(0, 0) = 0 [pid 365] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 365] write(3, "1000", 4) = 4 [pid 365] close(3) = 0 [pid 365] write(1, "executing program\n", 18executing program ) = 18 [pid 365] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 365] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 365] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 365] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 365] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 365] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 365] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 366 attached [pid 366] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 366] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 366] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 365] <... clone3 resumed> => {parent_tid=[366]}, 88) = 366 [pid 365] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 365] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 366] <... futex resumed>) = 0 [pid 366] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 365] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 366] <... socketpair resumed>[3, 4]) = 0 [pid 366] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 366] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 365] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 365] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 366] <... futex resumed>) = 0 [pid 365] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 366] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 366] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 365] <... futex resumed>) = 0 [pid 366] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 366] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 366] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 365] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 366] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 366] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 366] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 366] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 366] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 365] <... mmap resumed>) = 0x7f6b2567d000 [pid 366] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 365] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 366] <... sendmsg resumed>) = 0 [pid 365] <... mprotect resumed>) = 0 [pid 366] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 365] rt_sigprocmask(SIG_BLOCK, ~[], [pid 366] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 365] <... rt_sigprocmask resumed>[], 8) = 0 [pid 365] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 366] <... sendmsg resumed>) = 0 [pid 366] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 365] <... clone3 resumed> => {parent_tid=[367]}, 88) = 367 [pid 365] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 365] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 365] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 366] <... sendmsg resumed>) = 0 [pid 366] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 366] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 366] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 366] 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 367 attached ) = 0 [pid 366] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 366] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 366] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 366] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 366] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 366] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 366] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 366] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 366] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 366] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 366] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 366] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 366] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 367] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 366] <... sendmsg resumed>) = 0 [pid 366] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 366] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 366] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 366] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 367] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 367] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 367] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 365] <... futex resumed>) = 0 [pid 365] exit_group(0) = ? [pid 367] +++ exited with 0 +++ [pid 366] <... futex resumed>) = ? [pid 366] +++ exited with 0 +++ [pid 365] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=365, 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=0x55558059c690) = 368 ./strace-static-x86_64: Process 368 attached [pid 368] set_robust_list(0x55558059c6a0, 24) = 0 [pid 368] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 368] setpgid(0, 0) = 0 [pid 368] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 368] write(3, "1000", 4) = 4 [pid 368] close(3executing program ) = 0 [pid 368] write(1, "executing program\n", 18) = 18 [pid 368] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 368] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 368] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 368] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 368] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 368] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 368] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 369 attached => {parent_tid=[369]}, 88) = 369 [pid 369] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 369] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 369] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 368] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 368] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 369] <... futex resumed>) = 0 [pid 369] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 368] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 369] <... socketpair resumed>[3, 4]) = 0 [pid 369] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 369] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 368] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 368] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 369] <... futex resumed>) = 0 [pid 368] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 369] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 369] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 369] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 369] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 369] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 369] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 369] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 369] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 369] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 369] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 369] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 369] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 369] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 369] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 369] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 369] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 369] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 369] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 369] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 369] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 368] <... futex resumed>) = 0 [pid 369] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 368] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 369] <... sendmsg resumed>) = 0 [pid 369] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 368] <... mmap resumed>) = 0x7f6b2567d000 [pid 368] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 369] <... sendmsg resumed>) = 0 [pid 368] <... mprotect resumed>) = 0 [pid 369] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 368] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 368] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 369] <... sendmsg resumed>) = 0 [pid 369] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 369] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 368] <... clone3 resumed> => {parent_tid=[370]}, 88) = 370 [pid 369] <... sendmsg resumed>) = 0 [pid 368] rt_sigprocmask(SIG_SETMASK, [], [pid 369] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 368] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 368] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 369] <... sendmsg resumed>) = 0 [pid 368] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 369] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 369] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 369] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 369] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 369] 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 370 attached [pid 369] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 369] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 369] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 369] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 370] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 370] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 370] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 370] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 368] <... futex resumed>) = 0 [pid 368] exit_group(0) = ? [pid 369] <... futex resumed>) = ? [pid 369] +++ exited with 0 +++ [pid 370] +++ exited with 0 +++ [pid 368] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=368, si_uid=0, si_status=0, 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 371 attached , child_tidptr=0x55558059c690) = 371 [pid 371] set_robust_list(0x55558059c6a0, 24) = 0 [pid 371] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 371] setpgid(0, 0) = 0 [pid 371] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 371] write(3, "1000", 4) = 4 [pid 371] close(3) = 0 executing program [pid 371] write(1, "executing program\n", 18) = 18 [pid 371] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 371] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 371] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 371] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 371] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 371] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 371] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 372 attached => {parent_tid=[372]}, 88) = 372 [pid 372] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 372] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 372] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 371] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 371] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 372] <... futex resumed>) = 0 [pid 372] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 371] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 372] <... socketpair resumed>[3, 4]) = 0 [pid 372] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 372] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 371] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 371] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 372] <... futex resumed>) = 0 [pid 371] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 372] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 372] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 372] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 371] <... futex resumed>) = 0 [pid 372] <... sendmsg resumed>) = 0 [pid 372] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 372] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 371] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 372] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 371] <... mmap resumed>) = 0x7f6b2567d000 [pid 372] <... sendmsg resumed>) = 0 [pid 372] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 372] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 371] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 372] <... sendmsg resumed>) = 0 [pid 372] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 372] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 372] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 372] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 372] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 372] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 371] <... mprotect resumed>) = 0 [pid 372] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 372] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 372] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 372] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 372] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 372] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 372] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 372] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 372] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 372] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 372] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 372] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 372] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 372] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 372] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 372] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 372] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 372] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 372] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 372] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 372] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 371] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 371] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0}./strace-static-x86_64: Process 373 attached [pid 373] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 371] <... clone3 resumed> => {parent_tid=[373]}, 88) = 373 [pid 373] rt_sigprocmask(SIG_SETMASK, [], [pid 371] rt_sigprocmask(SIG_SETMASK, [], [pid 373] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 371] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 373] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 371] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000 [pid 373] <... setsockopt resumed>) = 0 [pid 373] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 373] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 371] <... futex resumed>) = 0 [pid 371] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 371] exit_group(0) = ? [pid 372] <... futex resumed>) = ? [pid 372] +++ exited with 0 +++ [pid 373] <... futex resumed>) = ? [pid 373] +++ exited with 0 +++ [pid 371] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=371, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 374 ./strace-static-x86_64: Process 374 attached [pid 374] set_robust_list(0x55558059c6a0, 24) = 0 [pid 374] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 374] setpgid(0, 0) = 0 [pid 374] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 374] write(3, "1000", 4) = 4 [pid 374] close(3) = 0 [pid 374] write(1, "executing program\n", 18) = 18 executing program [pid 374] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 374] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 374] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 374] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 374] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 374] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 374] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 375 attached [pid 375] set_robust_list(0x7f6b256be9a0, 24 [pid 374] <... clone3 resumed> => {parent_tid=[375]}, 88) = 375 [pid 375] <... set_robust_list resumed>) = 0 [pid 374] rt_sigprocmask(SIG_SETMASK, [], [pid 375] rt_sigprocmask(SIG_SETMASK, [], [pid 374] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 375] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 374] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000 [pid 375] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 374] <... futex resumed>) = 0 [pid 374] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 375] <... socketpair resumed>[3, 4]) = 0 [pid 375] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 374] <... futex resumed>) = 0 [pid 374] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 375] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 374] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 374] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 374] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 374] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 374] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} => {parent_tid=[376]}, 88) = 376 [pid 375] <... sendmsg resumed>) = 0 [pid 374] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 374] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 374] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 376 attached [pid 376] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 376] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 376] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 376] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 375] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 374] <... futex resumed>) = 0 [pid 376] <... futex resumed>) = 1 [pid 376] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 375] <... sendmsg resumed>) = 0 [pid 375] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 375] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 375] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 375] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 375] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 375] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 375] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 375] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 375] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 375] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 375] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 375] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 375] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 375] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 375] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 375] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 375] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 375] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 375] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 375] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 375] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 375] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 375] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 375] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 375] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 375] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 375] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 375] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 375] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 375] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 375] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 375] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 375] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 374] exit_group(0) = ? [pid 375] <... futex resumed>) = ? [pid 375] +++ exited with 0 +++ [pid 376] <... futex resumed>) = ? [pid 376] +++ exited with 0 +++ [pid 374] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=374, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 377 ./strace-static-x86_64: Process 377 attached [pid 377] set_robust_list(0x55558059c6a0, 24) = 0 [pid 377] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 377] setpgid(0, 0) = 0 [pid 377] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 377] write(3, "1000", 4) = 4 [pid 377] close(3) = 0 executing program [pid 377] write(1, "executing program\n", 18) = 18 [pid 377] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 377] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 377] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 377] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 377] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 377] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 377] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 378 attached => {parent_tid=[378]}, 88) = 378 [pid 378] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 377] rt_sigprocmask(SIG_SETMASK, [], [pid 378] rt_sigprocmask(SIG_SETMASK, [], [pid 377] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 378] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 377] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000 [pid 378] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 377] <... futex resumed>) = 0 [pid 377] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 378] <... socketpair resumed>[3, 4]) = 0 [pid 378] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 377] <... futex resumed>) = 0 [pid 377] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 377] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 377] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 377] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 378] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 377] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 377] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} => {parent_tid=[379]}, 88) = 379 [pid 378] <... sendmsg resumed>) = 0 [pid 377] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 377] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 377] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 379 attached [pid 379] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 379] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 379] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 379] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 377] <... futex resumed>) = 0 [pid 379] <... futex resumed>) = 1 [pid 378] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 379] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 378] <... sendmsg resumed>) = 0 [pid 378] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 378] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 378] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 378] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 378] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 378] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 378] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 378] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 378] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 378] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 378] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 378] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 378] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 378] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 378] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 378] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 378] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 378] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 378] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 378] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 378] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 378] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 378] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 378] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 378] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 378] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 378] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 378] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 378] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 378] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 378] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 378] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 378] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 377] exit_group(0) = ? [pid 379] <... futex resumed>) = 231 [pid 378] <... futex resumed>) = ? [pid 378] +++ exited with 0 +++ [pid 379] +++ exited with 0 +++ [pid 377] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=377, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 380 ./strace-static-x86_64: Process 380 attached [pid 380] set_robust_list(0x55558059c6a0, 24) = 0 [pid 380] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 380] setpgid(0, 0) = 0 [pid 380] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 380] write(3, "1000", 4) = 4 [pid 380] close(3) = 0 [pid 380] write(1, "executing program\n", 18executing program ) = 18 [pid 380] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 380] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 380] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 380] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 380] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 380] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 380] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 381 attached => {parent_tid=[381]}, 88) = 381 [pid 381] set_robust_list(0x7f6b256be9a0, 24 [pid 380] rt_sigprocmask(SIG_SETMASK, [], [pid 381] <... set_robust_list resumed>) = 0 [pid 380] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 381] rt_sigprocmask(SIG_SETMASK, [], [pid 380] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000 [pid 381] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 380] <... futex resumed>) = 0 [pid 381] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 380] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 381] <... socketpair resumed>[3, 4]) = 0 [pid 381] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000 [pid 380] <... futex resumed>) = 0 [pid 381] <... futex resumed>) = 1 [pid 380] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 380] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 380] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 380] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 380] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 380] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0}./strace-static-x86_64: Process 382 attached => {parent_tid=[382]}, 88) = 382 [pid 380] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 380] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 380] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 381] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 381] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 381] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 381] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 381] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 381] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 381] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 381] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 381] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 381] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 381] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 381] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 381] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 381] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 381] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 381] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 381] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 381] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 381] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 381] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 381] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 381] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 381] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 381] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 381] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 381] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 381] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 381] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 381] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 381] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 381] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 381] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 381] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 381] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 381] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 382] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 382] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 382] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 382] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 380] <... futex resumed>) = 0 [pid 380] exit_group(0) = ? [pid 381] <... futex resumed>) = ? [pid 381] +++ exited with 0 +++ [pid 382] +++ exited with 0 +++ [pid 380] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=380, 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=0x55558059c690) = 383 ./strace-static-x86_64: Process 383 attached [pid 383] set_robust_list(0x55558059c6a0, 24) = 0 [pid 383] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 383] setpgid(0, 0) = 0 [pid 383] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 383] write(3, "1000", 4) = 4 [pid 383] close(3) = 0 [pid 383] write(1, "executing program\n", 18executing program ) = 18 [pid 383] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 383] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 383] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 383] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 383] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 383] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 383] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0} => {parent_tid=[384]}, 88) = 384 [pid 383] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 383] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 383] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 384 attached [pid 384] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 384] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 384] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 384] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000 [pid 383] <... futex resumed>) = 0 [pid 383] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 383] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 383] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 383] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 383] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 383] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} => {parent_tid=[385]}, 88) = 385 [pid 383] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 383] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 383] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 384] <... futex resumed>) = 1 [pid 384] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 384] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 384] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 384] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 384] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 384] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 384] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 384] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 384] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 384] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 384] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 384] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 384] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 384] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 384] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 384] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 384] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 384] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 384] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 384] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 384] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 384] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 384] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 384] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 384] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 384] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 384] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 384] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 384] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 384] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 384] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 384] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 384] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 384] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 384] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 385 attached [pid 385] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 385] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 385] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 385] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 383] <... futex resumed>) = 0 [pid 383] exit_group(0) = ? [pid 385] <... futex resumed>) = 231 [pid 384] <... futex resumed>) = ? [pid 384] +++ exited with 0 +++ [pid 385] +++ exited with 0 +++ [pid 383] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=383, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 386 ./strace-static-x86_64: Process 386 attached [pid 386] set_robust_list(0x55558059c6a0, 24) = 0 [pid 386] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 386] setpgid(0, 0) = 0 [pid 386] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program ) = 3 [pid 386] write(3, "1000", 4) = 4 [pid 386] close(3) = 0 [pid 386] write(1, "executing program\n", 18) = 18 [pid 386] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 386] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 386] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 386] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 386] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 386] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 386] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 387 attached => {parent_tid=[387]}, 88) = 387 [pid 387] set_robust_list(0x7f6b256be9a0, 24 [pid 386] rt_sigprocmask(SIG_SETMASK, [], [pid 387] <... set_robust_list resumed>) = 0 [pid 386] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 387] rt_sigprocmask(SIG_SETMASK, [], [pid 386] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000 [pid 387] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 386] <... futex resumed>) = 0 [pid 386] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 387] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 387] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 386] <... futex resumed>) = 0 [pid 386] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 386] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 386] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 386] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 387] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 386] <... mprotect resumed>) = 0 [pid 386] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 386] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 387] <... sendmsg resumed>) = 0 [pid 386] <... clone3 resumed> => {parent_tid=[388]}, 88) = 388 [pid 386] rt_sigprocmask(SIG_SETMASK, [], [pid 387] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 386] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 386] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 386] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 388 attached [pid 388] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 388] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 388] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 388] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 386] <... futex resumed>) = 0 [pid 388] <... futex resumed>) = 1 [pid 387] <... sendmsg resumed>) = 0 [pid 388] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 387] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 387] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 387] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 387] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 387] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 387] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 387] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 387] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 387] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 387] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 387] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 387] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 387] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 387] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 387] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 387] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 387] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 387] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 387] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 387] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 387] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 387] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 387] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 387] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 387] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 387] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 387] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 387] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 387] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 387] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 387] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 387] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 387] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 386] exit_group(0 [pid 387] <... futex resumed>) = ? [pid 386] <... exit_group resumed>) = ? [pid 387] +++ exited with 0 +++ [pid 388] <... futex resumed>) = ? [pid 388] +++ exited with 0 +++ [pid 386] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=386, si_uid=0, si_status=0, 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 389 attached , child_tidptr=0x55558059c690) = 389 [pid 389] set_robust_list(0x55558059c6a0, 24) = 0 [pid 389] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 389] setpgid(0, 0) = 0 [pid 389] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 389] write(3, "1000", 4) = 4 [pid 389] close(3) = 0 [pid 389] write(1, "executing program\n", 18executing program ) = 18 [pid 389] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 389] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 389] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 389] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 389] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 389] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 389] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 390 attached => {parent_tid=[390]}, 88) = 390 [pid 390] set_robust_list(0x7f6b256be9a0, 24 [pid 389] rt_sigprocmask(SIG_SETMASK, [], [pid 390] <... set_robust_list resumed>) = 0 [pid 390] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 390] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 389] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 389] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 390] <... futex resumed>) = 0 [pid 390] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 389] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 390] <... socketpair resumed>[3, 4]) = 0 [pid 390] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 390] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 389] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 389] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 390] <... futex resumed>) = 0 [pid 390] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 390] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 390] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 390] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 389] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 390] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 390] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 390] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 390] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 390] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 390] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 389] <... futex resumed>) = 0 [pid 389] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 390] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 389] <... mmap resumed>) = 0x7f6b2567d000 [pid 389] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 390] <... sendmsg resumed>) = 0 [pid 389] <... mprotect resumed>) = 0 [pid 390] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 389] rt_sigprocmask(SIG_BLOCK, ~[], [pid 390] <... sendmsg resumed>) = 0 [pid 389] <... rt_sigprocmask resumed>[], 8) = 0 [pid 390] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 389] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 390] <... sendmsg resumed>) = 0 [pid 390] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 389] <... clone3 resumed> => {parent_tid=[391]}, 88) = 391 [pid 389] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 390] <... sendmsg resumed>) = 0 [pid 389] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000 [pid 390] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 389] <... futex resumed>) = 0 [pid 389] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 390] <... sendmsg resumed>) = 0 ./strace-static-x86_64: Process 391 attached [pid 390] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 390] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 390] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 390] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 390] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 390] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 390] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 390] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 390] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 391] set_robust_list(0x7f6b2569d9a0, 24 [pid 390] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 391] <... set_robust_list resumed>) = 0 [pid 391] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 391] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 391] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 389] <... futex resumed>) = 0 [pid 391] <... futex resumed>) = 1 [pid 391] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 390] <... sendmsg resumed>) = 0 [pid 390] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 390] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 390] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 390] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 390] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 390] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 390] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 390] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 390] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 390] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 389] exit_group(0) = ? [pid 391] <... futex resumed>) = 231 [pid 391] +++ exited with 0 +++ [pid 390] <... futex resumed>) = ? [pid 390] +++ exited with 0 +++ [pid 389] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=389, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 392 ./strace-static-x86_64: Process 392 attached [pid 392] set_robust_list(0x55558059c6a0, 24) = 0 [pid 392] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 392] setpgid(0, 0) = 0 [pid 392] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 392] write(3, "1000", 4) = 4 [pid 392] close(3) = 0 executing program [pid 392] write(1, "executing program\n", 18) = 18 [pid 392] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 392] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 392] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 392] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 392] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 392] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 392] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 393 attached [pid 393] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 393] rt_sigprocmask(SIG_SETMASK, [], [pid 392] <... clone3 resumed> => {parent_tid=[393]}, 88) = 393 [pid 393] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 393] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 392] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 392] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 393] <... futex resumed>) = 0 [pid 393] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 392] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 393] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 393] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 392] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 392] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 393] <... futex resumed>) = 0 [pid 393] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 393] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 393] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 393] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 393] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 392] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 393] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 393] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 392] <... futex resumed>) = 0 [pid 393] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 393] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 393] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 393] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 393] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 393] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 393] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 393] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 393] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 393] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 393] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 393] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 393] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 393] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 393] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 393] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 392] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 393] <... sendmsg resumed>) = 0 [pid 392] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 393] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 392] <... mprotect resumed>) = 0 [pid 393] <... sendmsg resumed>) = 0 [pid 392] rt_sigprocmask(SIG_BLOCK, ~[], [pid 393] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 392] <... rt_sigprocmask resumed>[], 8) = 0 [pid 392] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 393] <... sendmsg resumed>) = 0 [pid 393] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 392] <... clone3 resumed> => {parent_tid=[394]}, 88) = 394 [pid 393] <... sendmsg resumed>) = 0 [pid 392] rt_sigprocmask(SIG_SETMASK, [], [pid 393] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 392] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 392] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 393] <... sendmsg resumed>) = 0 [pid 392] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 393] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 393] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 393] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 393] 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 394 attached [pid 393] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 393] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 393] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 393] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 394] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 394] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 394] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 394] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 392] <... futex resumed>) = 0 [pid 392] exit_group(0) = ? [pid 394] exit_group(0 [pid 393] <... futex resumed>) = ? [pid 393] +++ exited with 0 +++ [pid 394] +++ exited with 0 +++ [pid 392] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=392, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 395 ./strace-static-x86_64: Process 395 attached [pid 395] set_robust_list(0x55558059c6a0, 24) = 0 [pid 395] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 395] setpgid(0, 0) = 0 [pid 395] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program ) = 3 [pid 395] write(3, "1000", 4) = 4 [pid 395] close(3) = 0 [pid 395] write(1, "executing program\n", 18) = 18 [pid 395] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 395] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 395] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 395] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 395] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 395] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 395] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 396 attached => {parent_tid=[396]}, 88) = 396 [pid 396] set_robust_list(0x7f6b256be9a0, 24 [pid 395] rt_sigprocmask(SIG_SETMASK, [], [pid 396] <... set_robust_list resumed>) = 0 [pid 395] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 396] rt_sigprocmask(SIG_SETMASK, [], [pid 395] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000 [pid 396] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 395] <... futex resumed>) = 0 [pid 396] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 395] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 396] <... socketpair resumed>[3, 4]) = 0 [pid 396] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 395] <... futex resumed>) = 0 [pid 395] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 395] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 395] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 395] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 395] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 395] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} => {parent_tid=[397]}, 88) = 397 [pid 395] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 395] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 395] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 397 attached [pid 397] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 397] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 397] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 397] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 395] <... futex resumed>) = 0 [pid 397] <... futex resumed>) = 1 [pid 397] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 396] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 396] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 396] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 396] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 396] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 396] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 396] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 396] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 396] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 396] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 396] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 396] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 396] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 396] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 396] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 396] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 396] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 396] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 396] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 396] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 396] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 396] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 396] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 396] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 396] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 396] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 396] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 396] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 396] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 396] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 396] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 396] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 396] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 396] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 396] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 395] exit_group(0 [pid 396] <... futex resumed>) = ? [pid 395] <... exit_group resumed>) = ? [pid 396] +++ exited with 0 +++ [pid 397] <... futex resumed>) = ? [pid 397] +++ exited with 0 +++ [pid 395] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=395, si_uid=0, si_status=0, 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 398 attached , child_tidptr=0x55558059c690) = 398 [pid 398] set_robust_list(0x55558059c6a0, 24) = 0 [pid 398] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 398] setpgid(0, 0) = 0 [pid 398] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 398] write(3, "1000", 4) = 4 [pid 398] close(3) = 0 executing program [pid 398] write(1, "executing program\n", 18) = 18 [pid 398] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 398] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 398] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 398] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 398] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 398] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 398] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0} => {parent_tid=[399]}, 88) = 399 [pid 398] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 398] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 398] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 399 attached [pid 399] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 399] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 399] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 399] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000 [pid 398] <... futex resumed>) = 0 [pid 398] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 398] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 398] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 398] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 398] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 398] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 399] <... futex resumed>) = 1 ./strace-static-x86_64: Process 400 attached [pid 398] <... clone3 resumed> => {parent_tid=[400]}, 88) = 400 [pid 399] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 398] rt_sigprocmask(SIG_SETMASK, [], [pid 399] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 399] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 398] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 399] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 399] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 398] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000 [pid 399] <... sendmsg resumed>) = 0 [pid 398] <... futex resumed>) = 0 [pid 399] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 398] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 399] <... sendmsg resumed>) = 0 [pid 399] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 399] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 399] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 399] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 399] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 400] set_robust_list(0x7f6b2569d9a0, 24 [pid 399] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 399] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 399] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 400] <... set_robust_list resumed>) = 0 [pid 399] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 399] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 399] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 399] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 399] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 399] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 399] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 399] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 399] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 399] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 399] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 399] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 399] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 399] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 399] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 399] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 399] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 399] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 399] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 399] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 399] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 400] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 400] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 400] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 398] <... futex resumed>) = 0 [pid 400] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 398] exit_group(0 [pid 399] <... futex resumed>) = ? [pid 398] <... exit_group resumed>) = ? [pid 399] +++ exited with 0 +++ [pid 400] <... futex resumed>) = ? [pid 400] +++ exited with 0 +++ [pid 398] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=398, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 401 ./strace-static-x86_64: Process 401 attached [pid 401] set_robust_list(0x55558059c6a0, 24) = 0 [pid 401] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 401] setpgid(0, 0) = 0 [pid 401] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 401] write(3, "1000", 4) = 4 [pid 401] close(3) = 0 [pid 401] write(1, "executing program\n", 18executing program ) = 18 [pid 401] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 401] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 401] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 401] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 401] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 401] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 401] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 402 attached => {parent_tid=[402]}, 88) = 402 [pid 402] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 402] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 402] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 401] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 401] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 402] <... futex resumed>) = 0 [pid 402] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 401] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 402] <... socketpair resumed>[3, 4]) = 0 [pid 402] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 402] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 401] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 401] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 402] <... futex resumed>) = 0 [pid 401] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 402] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 402] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 402] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 401] <... futex resumed>) = 0 [pid 402] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 401] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 402] <... sendmsg resumed>) = 0 [pid 402] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 401] <... mmap resumed>) = 0x7f6b2567d000 [pid 402] <... sendmsg resumed>) = 0 [pid 402] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 402] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 401] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 402] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 402] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 402] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 402] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 402] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 402] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 401] <... mprotect resumed>) = 0 [pid 402] <... sendmsg resumed>) = 0 [pid 401] rt_sigprocmask(SIG_BLOCK, ~[], [pid 402] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 401] <... rt_sigprocmask resumed>[], 8) = 0 [pid 401] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 402] <... sendmsg resumed>) = 0 [pid 402] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 401] <... clone3 resumed> => {parent_tid=[403]}, 88) = 403 [pid 402] <... sendmsg resumed>) = 0 [pid 401] rt_sigprocmask(SIG_SETMASK, [], [pid 402] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 401] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 401] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 401] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 402] <... sendmsg resumed>) = 0 [pid 402] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 402] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 402] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 402] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 402] 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 403 attached ) = 0 [pid 402] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 402] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 403] set_robust_list(0x7f6b2569d9a0, 24 [pid 402] <... sendmsg resumed>) = 0 [pid 402] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 402] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 403] <... set_robust_list resumed>) = 0 [pid 402] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 402] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 402] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 402] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 403] rt_sigprocmask(SIG_SETMASK, [], [pid 402] <... sendmsg resumed>) = 0 [pid 402] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 403] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 403] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 402] <... sendmsg resumed>) = 0 [pid 402] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 403] <... setsockopt resumed>) = 0 [pid 402] <... sendmsg resumed>) = 0 [pid 403] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 402] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 402] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 402] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 402] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 403] <... futex resumed>) = 1 [pid 401] <... futex resumed>) = 0 [pid 401] exit_group(0) = ? [pid 402] <... futex resumed>) = ? [pid 403] +++ exited with 0 +++ [pid 402] +++ exited with 0 +++ [pid 401] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=401, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 404 ./strace-static-x86_64: Process 404 attached [pid 404] set_robust_list(0x55558059c6a0, 24) = 0 [pid 404] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 404] setpgid(0, 0) = 0 [pid 404] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 404] write(3, "1000", 4) = 4 executing program [pid 404] close(3) = 0 [pid 404] write(1, "executing program\n", 18) = 18 [pid 404] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 404] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 404] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 404] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 404] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 404] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 404] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0} => {parent_tid=[405]}, 88) = 405 [pid 404] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 404] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 404] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 405 attached [pid 405] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 405] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 405] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 405] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000 [pid 404] <... futex resumed>) = 0 [pid 404] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 404] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 404] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 404] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 404] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 404] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} => {parent_tid=[406]}, 88) = 406 [pid 404] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 404] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 404] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 405] <... futex resumed>) = 1 [pid 405] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 405] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 405] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 405] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 405] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 405] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 405] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 405] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 405] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 405] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 405] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 405] 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 406 attached [pid 405] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 405] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 405] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 405] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 406] set_robust_list(0x7f6b2569d9a0, 24 [pid 405] <... sendmsg resumed>) = 0 [pid 405] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 405] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 405] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 405] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 406] <... set_robust_list resumed>) = 0 [pid 405] <... sendmsg resumed>) = 0 [pid 405] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 405] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 405] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 406] rt_sigprocmask(SIG_SETMASK, [], [pid 405] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 405] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 405] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 405] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 405] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 405] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 406] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 405] <... sendmsg resumed>) = 0 [pid 405] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 405] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 405] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 405] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 406] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 405] <... sendmsg resumed>) = 0 [pid 405] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 405] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 406] <... setsockopt resumed>) = 0 [pid 406] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 404] <... futex resumed>) = 0 [pid 404] exit_group(0) = ? [pid 406] <... futex resumed>) = ? [pid 405] <... futex resumed>) = ? [pid 405] +++ exited with 0 +++ [pid 406] +++ exited with 0 +++ [pid 404] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=404, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 407 ./strace-static-x86_64: Process 407 attached [pid 407] set_robust_list(0x55558059c6a0, 24) = 0 [pid 407] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 407] setpgid(0, 0) = 0 [pid 407] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 407] write(3, "1000", 4) = 4 [pid 407] close(3) = 0 [pid 407] write(1, "executing program\n", 18executing program ) = 18 [pid 407] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 407] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 407] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 407] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 407] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 407] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 407] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 408 attached => {parent_tid=[408]}, 88) = 408 [pid 408] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 408] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 408] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 407] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 407] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 408] <... futex resumed>) = 0 [pid 407] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 408] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 408] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 407] <... futex resumed>) = 0 [pid 408] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 407] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 408] <... futex resumed>) = 0 [pid 408] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 408] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 408] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 408] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 408] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 408] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 408] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 408] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 408] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 407] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 408] <... sendmsg resumed>) = 0 [pid 408] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 407] <... futex resumed>) = 0 [pid 408] <... sendmsg resumed>) = 0 [pid 408] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 407] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 408] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 408] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 408] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 408] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 408] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 408] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 408] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 408] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 408] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 408] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 408] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 408] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 408] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 408] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 408] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 408] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 408] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 408] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 408] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 408] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 408] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 408] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 408] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 408] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 407] <... mmap resumed>) = 0x7f6b2567d000 [pid 407] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 407] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 407] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0}./strace-static-x86_64: Process 409 attached [pid 409] set_robust_list(0x7f6b2569d9a0, 24 [pid 407] <... clone3 resumed> => {parent_tid=[409]}, 88) = 409 [pid 409] <... set_robust_list resumed>) = 0 [pid 407] rt_sigprocmask(SIG_SETMASK, [], [pid 409] rt_sigprocmask(SIG_SETMASK, [], [pid 407] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 409] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 407] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000 [pid 409] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 407] <... futex resumed>) = 0 [pid 407] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 409] <... setsockopt resumed>) = 0 [pid 409] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 409] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 407] <... futex resumed>) = 0 [pid 407] exit_group(0 [pid 408] <... futex resumed>) = 231 [pid 407] <... exit_group resumed>) = ? [pid 409] <... futex resumed>) = ? [pid 408] +++ exited with 0 +++ [pid 409] +++ exited with 0 +++ [pid 407] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=407, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 410 ./strace-static-x86_64: Process 410 attached [pid 410] set_robust_list(0x55558059c6a0, 24) = 0 [pid 410] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 410] setpgid(0, 0) = 0 [pid 410] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 410] write(3, "1000", 4) = 4 [pid 410] close(3) = 0 [pid 410] write(1, "executing program\n", 18executing program ) = 18 [pid 410] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 410] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 410] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 410] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 410] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 410] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 410] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 411 attached => {parent_tid=[411]}, 88) = 411 [pid 411] set_robust_list(0x7f6b256be9a0, 24 [pid 410] rt_sigprocmask(SIG_SETMASK, [], [pid 411] <... set_robust_list resumed>) = 0 [pid 410] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 411] rt_sigprocmask(SIG_SETMASK, [], [pid 410] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000 [pid 411] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 410] <... futex resumed>) = 0 [pid 411] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 410] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 411] <... socketpair resumed>[3, 4]) = 0 [pid 411] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 410] <... futex resumed>) = 0 [pid 410] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 410] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 410] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 410] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 410] rt_sigprocmask(SIG_BLOCK, ~[], [pid 411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 410] <... rt_sigprocmask resumed>[], 8) = 0 [pid 410] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 411] <... sendmsg resumed>) = 0 [pid 410] <... clone3 resumed> => {parent_tid=[412]}, 88) = 412 [pid 410] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 410] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 410] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 412 attached [pid 412] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 412] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 412] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 412] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 410] <... futex resumed>) = 0 [pid 412] <... futex resumed>) = 1 [pid 411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 412] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 411] <... sendmsg resumed>) = 0 [pid 411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 411] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 411] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 410] exit_group(0) = ? [pid 411] <... futex resumed>) = ? [pid 411] +++ exited with 0 +++ [pid 412] <... futex resumed>) = ? [pid 412] +++ exited with 0 +++ [pid 410] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=410, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 413 ./strace-static-x86_64: Process 413 attached [pid 413] set_robust_list(0x55558059c6a0, 24) = 0 [pid 413] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 413] setpgid(0, 0) = 0 [pid 413] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 413] write(3, "1000", 4) = 4 [pid 413] close(3) = 0 [pid 413] write(1, "executing program\n", 18executing program ) = 18 [pid 413] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 413] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 413] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 413] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 413] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 413] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 413] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0} => {parent_tid=[414]}, 88) = 414 [pid 413] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 413] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 413] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 414 attached [pid 414] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 414] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 414] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 414] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 413] <... futex resumed>) = 0 [pid 413] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 413] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 413] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 413] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 413] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 413] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 413] <... clone3 resumed> => {parent_tid=[415]}, 88) = 415 [pid 414] <... sendmsg resumed>) = 0 [pid 413] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 413] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 413] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 415 attached [pid 415] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 415] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 415] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 415] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 413] <... futex resumed>) = 0 [pid 415] <... futex resumed>) = 1 [pid 415] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 414] <... sendmsg resumed>) = 0 [pid 414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 414] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 414] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 413] exit_group(0 [pid 414] <... futex resumed>) = ? [pid 413] <... exit_group resumed>) = ? [pid 414] +++ exited with 0 +++ [pid 415] <... futex resumed>) = ? [pid 415] +++ exited with 0 +++ [pid 413] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=413, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 416 ./strace-static-x86_64: Process 416 attached [pid 416] set_robust_list(0x55558059c6a0, 24) = 0 [pid 416] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 416] setpgid(0, 0) = 0 [pid 416] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 executing program [pid 416] write(3, "1000", 4) = 4 [pid 416] close(3) = 0 [pid 416] write(1, "executing program\n", 18) = 18 [pid 416] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 416] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 416] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 416] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 416] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 416] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 416] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0} => {parent_tid=[417]}, 88) = 417 [pid 416] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 416] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 416] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 417 attached [pid 417] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 417] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 417] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 417] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 416] <... futex resumed>) = 0 [pid 417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 416] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000 [pid 417] <... sendmsg resumed>) = 0 [pid 416] <... futex resumed>) = 0 [pid 417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 416] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 417] <... sendmsg resumed>) = 0 [pid 416] <... futex resumed>) = 0 [pid 417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 416] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 417] <... sendmsg resumed>) = 0 [pid 417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 416] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 417] <... sendmsg resumed>) = 0 [pid 416] <... mprotect resumed>) = 0 [pid 417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 416] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 417] <... sendmsg resumed>) = 0 [pid 417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 416] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 417] <... sendmsg resumed>) = 0 [pid 416] <... clone3 resumed> => {parent_tid=[418]}, 88) = 418 ./strace-static-x86_64: Process 418 attached [pid 418] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 418] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 418] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 416] rt_sigprocmask(SIG_SETMASK, [], [pid 417] <... sendmsg resumed>) = 0 [pid 416] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 416] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 417] <... sendmsg resumed>) = 0 [pid 418] <... futex resumed>) = 0 [pid 418] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 418] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 418] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 416] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 417] <... sendmsg resumed>) = 0 [pid 417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 417] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 417] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 416] exit_group(0 [pid 418] <... futex resumed>) = ? [pid 416] <... exit_group resumed>) = ? [pid 417] <... futex resumed>) = ? [pid 417] +++ exited with 0 +++ [pid 418] +++ exited with 0 +++ [pid 416] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=416, si_uid=0, si_status=0, 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 419 attached , child_tidptr=0x55558059c690) = 419 [pid 419] set_robust_list(0x55558059c6a0, 24) = 0 [pid 419] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 419] setpgid(0, 0) = 0 [pid 419] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 419] write(3, "1000", 4) = 4 [pid 419] close(3) = 0 [pid 419] write(1, "executing program\n", 18executing program ) = 18 [pid 419] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 419] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 419] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 419] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 419] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 419] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 419] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 420 attached [pid 420] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 420] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 420] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 419] <... clone3 resumed> => {parent_tid=[420]}, 88) = 420 [pid 419] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 419] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 420] <... futex resumed>) = 0 [pid 419] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 420] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 420] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 420] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 419] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 419] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 420] <... futex resumed>) = 0 [pid 420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 419] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 419] <... futex resumed>) = 0 [pid 420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 419] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 420] <... sendmsg resumed>) = 0 [pid 420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 419] <... mmap resumed>) = 0x7f6b2567d000 [pid 419] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 420] <... sendmsg resumed>) = 0 [pid 419] <... mprotect resumed>) = 0 [pid 420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 419] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 419] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 420] <... sendmsg resumed>) = 0 [pid 420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 419] <... clone3 resumed> => {parent_tid=[421]}, 88) = 421 [pid 419] rt_sigprocmask(SIG_SETMASK, [], [pid 420] <... sendmsg resumed>) = 0 [pid 419] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 419] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 419] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 420] <... sendmsg resumed>) = 0 [pid 420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 420] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 420] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 421 attached [pid 421] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 421] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 421] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 421] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 419] <... futex resumed>) = 0 [pid 419] exit_group(0) = ? [pid 420] <... futex resumed>) = ? [pid 420] +++ exited with 0 +++ [pid 421] +++ exited with 0 +++ [pid 419] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=419, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 422 ./strace-static-x86_64: Process 422 attached [pid 422] set_robust_list(0x55558059c6a0, 24) = 0 [pid 422] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 422] setpgid(0, 0) = 0 [pid 422] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 422] write(3, "1000", 4) = 4 [pid 422] close(3) = 0 [pid 422] write(1, "executing program\n", 18executing program ) = 18 [pid 422] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 422] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 422] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 422] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 422] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 422] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 422] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 423 attached => {parent_tid=[423]}, 88) = 423 [pid 423] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 423] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 423] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 422] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 422] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 423] <... futex resumed>) = 0 [pid 423] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 422] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 423] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 423] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 422] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 422] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 423] <... futex resumed>) = 0 [pid 423] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 422] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 423] <... sendmsg resumed>) = 0 [pid 422] <... futex resumed>) = 0 [pid 423] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 423] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 422] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 423] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 423] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 423] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 423] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 423] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 422] <... mmap resumed>) = 0x7f6b2567d000 [pid 423] <... sendmsg resumed>) = 0 [pid 422] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 423] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 422] <... mprotect resumed>) = 0 [pid 423] <... sendmsg resumed>) = 0 [pid 422] rt_sigprocmask(SIG_BLOCK, ~[], [pid 423] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 423] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 423] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 422] <... rt_sigprocmask resumed>[], 8) = 0 [pid 423] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 422] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 423] <... sendmsg resumed>) = 0 [pid 423] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 423] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 422] <... clone3 resumed> => {parent_tid=[424]}, 88) = 424 [pid 422] rt_sigprocmask(SIG_SETMASK, [], [pid 423] <... sendmsg resumed>) = 0 [pid 422] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 423] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 422] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 422] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 423] <... sendmsg resumed>) = 0 [pid 423] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 423] 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 424 attached ) = 0 [pid 423] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 423] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 424] set_robust_list(0x7f6b2569d9a0, 24 [pid 423] <... sendmsg resumed>) = 0 [pid 423] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 423] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 423] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 424] <... set_robust_list resumed>) = 0 [pid 423] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 424] rt_sigprocmask(SIG_SETMASK, [], [pid 423] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 424] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 423] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 423] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 424] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 423] <... sendmsg resumed>) = 0 [pid 423] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 423] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 423] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 423] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 423] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 423] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 423] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 423] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 424] <... setsockopt resumed>) = 0 [pid 424] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 422] <... futex resumed>) = 0 [pid 422] exit_group(0) = ? [pid 423] <... futex resumed>) = ? [pid 424] +++ exited with 0 +++ [pid 423] +++ exited with 0 +++ [pid 422] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=422, si_uid=0, si_status=0, 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 425 attached , child_tidptr=0x55558059c690) = 425 [pid 425] set_robust_list(0x55558059c6a0, 24) = 0 [pid 425] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 425] setpgid(0, 0) = 0 [pid 425] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 425] write(3, "1000", 4) = 4 [pid 425] close(3) = 0 [pid 425] write(1, "executing program\n", 18executing program ) = 18 [pid 425] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 425] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 425] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 425] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 425] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 425] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 425] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 426 attached => {parent_tid=[426]}, 88) = 426 [pid 425] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 425] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 425] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 426] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 426] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 426] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 426] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 425] <... futex resumed>) = 0 [pid 425] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 425] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 425] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 425] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 425] rt_sigprocmask(SIG_BLOCK, ~[], [pid 426] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 425] <... rt_sigprocmask resumed>[], 8) = 0 [pid 425] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 426] <... sendmsg resumed>) = 0 ./strace-static-x86_64: Process 427 attached [pid 425] <... clone3 resumed> => {parent_tid=[427]}, 88) = 427 [pid 425] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 425] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 425] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 427] set_robust_list(0x7f6b2569d9a0, 24 [pid 426] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 427] <... set_robust_list resumed>) = 0 [pid 426] <... sendmsg resumed>) = 0 [pid 427] rt_sigprocmask(SIG_SETMASK, [], [pid 426] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 427] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 426] <... sendmsg resumed>) = 0 [pid 427] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 426] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 427] <... setsockopt resumed>) = 0 [pid 426] <... sendmsg resumed>) = 0 [pid 427] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 426] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 427] <... futex resumed>) = 1 [pid 426] <... sendmsg resumed>) = 0 [pid 425] <... futex resumed>) = 0 [pid 427] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 426] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 426] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 426] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 426] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 426] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 426] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 426] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 426] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 426] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 426] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 426] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 426] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 426] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 426] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 426] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 426] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 426] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 426] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 426] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 426] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 426] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 426] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 426] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 426] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 426] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 426] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 426] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 426] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 426] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 426] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 425] exit_group(0 [pid 427] <... futex resumed>) = ? [pid 426] <... futex resumed>) = ? [pid 425] <... exit_group resumed>) = ? [pid 426] +++ exited with 0 +++ [pid 427] +++ exited with 0 +++ [pid 425] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=425, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 428 ./strace-static-x86_64: Process 428 attached [pid 428] set_robust_list(0x55558059c6a0, 24) = 0 [pid 428] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 428] setpgid(0, 0) = 0 [pid 428] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 428] write(3, "1000", 4) = 4 [pid 428] close(3) = 0 [pid 428] write(1, "executing program\n", 18executing program ) = 18 [pid 428] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 428] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 428] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 428] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 428] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 428] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 428] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 429 attached => {parent_tid=[429]}, 88) = 429 [pid 429] set_robust_list(0x7f6b256be9a0, 24 [pid 428] rt_sigprocmask(SIG_SETMASK, [], [pid 429] <... set_robust_list resumed>) = 0 [pid 428] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 429] rt_sigprocmask(SIG_SETMASK, [], [pid 428] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000 [pid 429] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 428] <... futex resumed>) = 0 [pid 428] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 429] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 429] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 428] <... futex resumed>) = 0 [pid 429] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 428] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 429] <... sendmsg resumed>) = 0 [pid 428] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 429] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 428] <... futex resumed>) = 0 [pid 428] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 429] <... sendmsg resumed>) = 0 [pid 428] <... mmap resumed>) = 0x7f6b2567d000 [pid 429] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 428] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 429] <... sendmsg resumed>) = 0 [pid 428] rt_sigprocmask(SIG_BLOCK, ~[], [pid 429] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 428] <... rt_sigprocmask resumed>[], 8) = 0 [pid 428] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 429] <... sendmsg resumed>) = 0 [pid 429] 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 430 attached [pid 428] <... clone3 resumed> => {parent_tid=[430]}, 88) = 430 [pid 429] <... sendmsg resumed>) = 0 [pid 430] set_robust_list(0x7f6b2569d9a0, 24 [pid 428] rt_sigprocmask(SIG_SETMASK, [], [pid 430] <... set_robust_list resumed>) = 0 [pid 429] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 430] rt_sigprocmask(SIG_SETMASK, [], [pid 428] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 430] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 429] <... sendmsg resumed>) = 0 [pid 428] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000 [pid 430] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 429] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 428] <... futex resumed>) = 0 [pid 430] <... setsockopt resumed>) = 0 [pid 428] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 430] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 429] <... sendmsg resumed>) = 0 [pid 430] <... futex resumed>) = 0 [pid 428] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 429] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 430] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 429] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 429] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 429] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 429] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 429] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 429] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 429] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 429] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 429] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 429] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 429] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 429] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 429] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 429] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 429] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 429] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 429] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 429] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 429] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 429] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 429] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 429] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 429] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 429] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 429] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 429] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 429] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 429] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 428] exit_group(0 [pid 430] <... futex resumed>) = ? [pid 429] <... futex resumed>) = ? [pid 428] <... exit_group resumed>) = ? [pid 430] +++ exited with 0 +++ [pid 429] +++ exited with 0 +++ [pid 428] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=428, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 431 ./strace-static-x86_64: Process 431 attached [pid 431] set_robust_list(0x55558059c6a0, 24) = 0 [pid 431] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 431] setpgid(0, 0) = 0 [pid 431] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 431] write(3, "1000", 4) = 4 [pid 431] close(3) = 0 [pid 431] write(1, "executing program\n", 18executing program ) = 18 [pid 431] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 431] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 431] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 431] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 431] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 431] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 431] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 432 attached => {parent_tid=[432]}, 88) = 432 [pid 432] set_robust_list(0x7f6b256be9a0, 24 [pid 431] rt_sigprocmask(SIG_SETMASK, [], [pid 432] <... set_robust_list resumed>) = 0 [pid 431] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 432] rt_sigprocmask(SIG_SETMASK, [], [pid 431] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000 [pid 432] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 431] <... futex resumed>) = 0 [pid 432] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 431] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 432] <... socketpair resumed>[3, 4]) = 0 [pid 432] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000 [pid 431] <... futex resumed>) = 0 [pid 431] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 431] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 431] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 431] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 431] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 431] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} => {parent_tid=[433]}, 88) = 433 [pid 431] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 431] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 431] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 432] <... futex resumed>) = 1 [pid 432] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 432] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 432] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 432] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 432] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 432] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 432] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 432] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 432] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 432] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 432] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 432] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 432] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 432] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 432] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 432] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 432] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 432] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 432] 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 433 attached ) = 0 [pid 432] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 432] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 432] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 432] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 433] set_robust_list(0x7f6b2569d9a0, 24 [pid 432] <... sendmsg resumed>) = 0 [pid 432] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 432] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 432] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 432] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 432] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 433] <... set_robust_list resumed>) = 0 [pid 432] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 432] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 432] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 432] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 432] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 432] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 432] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 433] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 433] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 433] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 431] <... futex resumed>) = 0 [pid 433] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 431] exit_group(0) = ? [pid 432] <... futex resumed>) = ? [pid 433] <... futex resumed>) = ? [pid 432] +++ exited with 0 +++ [pid 433] +++ exited with 0 +++ [pid 431] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=431, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 434 ./strace-static-x86_64: Process 434 attached [pid 434] set_robust_list(0x55558059c6a0, 24) = 0 [pid 434] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 434] setpgid(0, 0) = 0 [pid 434] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 434] write(3, "1000", 4) = 4 [pid 434] close(3executing program ) = 0 [pid 434] write(1, "executing program\n", 18) = 18 [pid 434] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 434] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 434] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 434] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 434] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 434] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 434] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 435 attached => {parent_tid=[435]}, 88) = 435 [pid 435] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 434] rt_sigprocmask(SIG_SETMASK, [], [pid 435] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 435] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 434] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 434] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 435] <... futex resumed>) = 0 [pid 435] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 434] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 435] <... socketpair resumed>[3, 4]) = 0 [pid 435] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 435] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 434] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 434] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 435] <... futex resumed>) = 0 [pid 435] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 434] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 435] <... sendmsg resumed>) = 0 [pid 434] <... futex resumed>) = 0 [pid 435] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 434] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 435] <... sendmsg resumed>) = 0 [pid 434] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 435] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 434] <... mprotect resumed>) = 0 [pid 434] rt_sigprocmask(SIG_BLOCK, ~[], [pid 435] <... sendmsg resumed>) = 0 [pid 434] <... rt_sigprocmask resumed>[], 8) = 0 [pid 435] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 434] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0}./strace-static-x86_64: Process 436 attached [pid 435] <... sendmsg resumed>) = 0 [pid 436] set_robust_list(0x7f6b2569d9a0, 24 [pid 435] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 434] <... clone3 resumed> => {parent_tid=[436]}, 88) = 436 [pid 436] <... set_robust_list resumed>) = 0 [pid 434] rt_sigprocmask(SIG_SETMASK, [], [pid 435] <... sendmsg resumed>) = 0 [pid 434] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 436] rt_sigprocmask(SIG_SETMASK, [], [pid 435] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 434] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000 [pid 436] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 434] <... futex resumed>) = 0 [pid 435] <... sendmsg resumed>) = 0 [pid 434] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 436] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 435] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 436] <... setsockopt resumed>) = 0 [pid 436] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 434] <... futex resumed>) = 0 [pid 435] <... sendmsg resumed>) = 0 [pid 436] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 435] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 435] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 435] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 435] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 435] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 435] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 435] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 435] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 435] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 435] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 435] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 435] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 435] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 435] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 435] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 435] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 435] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 435] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 435] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 435] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 435] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 435] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 435] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 435] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 435] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 435] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 435] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 435] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 434] exit_group(0) = ? [pid 435] <... futex resumed>) = ? [pid 435] +++ exited with 0 +++ [pid 436] <... futex resumed>) = ? [pid 436] +++ exited with 0 +++ [pid 434] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=434, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 437 ./strace-static-x86_64: Process 437 attached [pid 437] set_robust_list(0x55558059c6a0, 24) = 0 [pid 437] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 437] setpgid(0, 0) = 0 [pid 437] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 437] write(3, "1000", 4executing program ) = 4 [pid 437] close(3) = 0 [pid 437] write(1, "executing program\n", 18) = 18 [pid 437] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 437] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 437] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 437] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 437] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 437] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 437] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 438 attached => {parent_tid=[438]}, 88) = 438 [pid 438] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 438] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 438] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 437] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 437] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 438] <... futex resumed>) = 0 [pid 437] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 438] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 438] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 438] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 437] <... futex resumed>) = 0 [pid 437] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 438] <... futex resumed>) = 0 [pid 438] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 438] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 438] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 438] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 438] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 438] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 438] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 438] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 438] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 438] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 438] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 438] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 438] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 438] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 438] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 438] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 438] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 438] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 438] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 438] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 438] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 438] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 438] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 437] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 437] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 438] <... sendmsg resumed>) = 0 [pid 438] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 437] <... mmap resumed>) = 0x7f6b2567d000 [pid 437] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 438] <... sendmsg resumed>) = 0 [pid 437] <... mprotect resumed>) = 0 [pid 438] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 437] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 437] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 438] <... sendmsg resumed>) = 0 [pid 438] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 438] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 437] <... clone3 resumed> => {parent_tid=[439]}, 88) = 439 [pid 438] <... sendmsg resumed>) = 0 [pid 437] rt_sigprocmask(SIG_SETMASK, [], [pid 438] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 437] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 437] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 438] <... sendmsg resumed>) = 0 [pid 437] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 438] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 438] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 438] 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 439 attached [pid 438] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 438] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 438] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 438] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 439] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 439] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 439] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 439] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 437] <... futex resumed>) = 0 [pid 437] exit_group(0) = ? [pid 438] <... futex resumed>) = ? [pid 438] +++ exited with 0 +++ [pid 439] +++ exited with 0 +++ [pid 437] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=437, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 440 ./strace-static-x86_64: Process 440 attached [pid 440] set_robust_list(0x55558059c6a0, 24) = 0 [pid 440] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 440] setpgid(0, 0) = 0 [pid 440] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 440] write(3, "1000", 4) = 4 [pid 440] close(3) = 0 [pid 440] write(1, "executing program\n", 18executing program ) = 18 [pid 440] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 440] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 440] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 440] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 440] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 440] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 440] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 441 attached => {parent_tid=[441]}, 88) = 441 [pid 441] set_robust_list(0x7f6b256be9a0, 24 [pid 440] rt_sigprocmask(SIG_SETMASK, [], [pid 441] <... set_robust_list resumed>) = 0 [pid 440] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 441] rt_sigprocmask(SIG_SETMASK, [], [pid 440] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000 [pid 441] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 440] <... futex resumed>) = 0 [pid 440] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 441] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 441] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 440] <... futex resumed>) = 0 [pid 440] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 440] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 440] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 440] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 440] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 440] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} => {parent_tid=[442]}, 88) = 442 [pid 440] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 440] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 440] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 442 attached [pid 442] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 442] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 442] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 442] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 440] <... futex resumed>) = 0 [pid 442] <... futex resumed>) = 1 [pid 442] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 441] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 441] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 441] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 441] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 441] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 441] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 441] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 441] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 441] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 441] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 441] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 441] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 441] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 441] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 441] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 441] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 441] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 441] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 441] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 441] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 441] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 441] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 441] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 441] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 441] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 441] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 441] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 441] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 441] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 441] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 441] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 441] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 441] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 441] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 441] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 440] exit_group(0) = ? [pid 442] <... futex resumed>) = ? [pid 441] <... futex resumed>) = ? [pid 442] +++ exited with 0 +++ [pid 441] +++ exited with 0 +++ [pid 440] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=440, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 443 ./strace-static-x86_64: Process 443 attached [pid 443] set_robust_list(0x55558059c6a0, 24) = 0 [pid 443] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 443] setpgid(0, 0) = 0 [pid 443] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 443] write(3, "1000", 4) = 4 [pid 443] close(3) = 0 [pid 443] write(1, "executing program\n", 18executing program ) = 18 [pid 443] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 443] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 443] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 443] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 443] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 443] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 443] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 444 attached => {parent_tid=[444]}, 88) = 444 [pid 444] set_robust_list(0x7f6b256be9a0, 24 [pid 443] rt_sigprocmask(SIG_SETMASK, [], [pid 444] <... set_robust_list resumed>) = 0 [pid 443] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 444] rt_sigprocmask(SIG_SETMASK, [], [pid 443] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000 [pid 444] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 443] <... futex resumed>) = 0 [pid 444] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 443] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 444] <... socketpair resumed>[3, 4]) = 0 [pid 444] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 443] <... futex resumed>) = 0 [pid 443] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000 [pid 444] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 443] <... futex resumed>) = 0 [pid 443] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 444] <... sendmsg resumed>) = 0 [pid 443] <... futex resumed>) = 0 [pid 444] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 443] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 444] <... sendmsg resumed>) = 0 [pid 443] <... mmap resumed>) = 0x7f6b2567d000 [pid 444] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 443] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 444] <... sendmsg resumed>) = 0 [pid 443] <... mprotect resumed>) = 0 [pid 444] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 443] rt_sigprocmask(SIG_BLOCK, ~[], [pid 444] <... sendmsg resumed>) = 0 [pid 443] <... rt_sigprocmask resumed>[], 8) = 0 [pid 444] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 443] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 444] <... sendmsg resumed>) = 0 [pid 443] <... clone3 resumed> => {parent_tid=[445]}, 88) = 445 ./strace-static-x86_64: Process 445 attached [pid 444] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 443] rt_sigprocmask(SIG_SETMASK, [], [pid 445] set_robust_list(0x7f6b2569d9a0, 24 [pid 444] <... sendmsg resumed>) = 0 [pid 443] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 445] <... set_robust_list resumed>) = 0 [pid 444] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 443] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000 [pid 445] rt_sigprocmask(SIG_SETMASK, [], [pid 444] <... sendmsg resumed>) = 0 [pid 443] <... futex resumed>) = 0 [pid 445] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 444] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 443] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 445] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 444] <... sendmsg resumed>) = 0 [pid 445] <... setsockopt resumed>) = 0 [pid 444] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 445] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 444] <... sendmsg resumed>) = 0 [pid 445] <... futex resumed>) = 1 [pid 443] <... futex resumed>) = 0 [pid 445] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 444] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 444] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 444] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 444] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 444] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 444] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 444] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 444] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 444] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 444] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 444] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 444] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 444] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 444] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 444] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 444] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 444] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 444] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 444] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 444] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 444] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 444] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 444] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 444] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 444] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 444] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 443] exit_group(0 [pid 444] <... futex resumed>) = ? [pid 443] <... exit_group resumed>) = ? [pid 444] +++ exited with 0 +++ [pid 445] <... futex resumed>) = ? [pid 445] +++ exited with 0 +++ [pid 443] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=443, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 446 ./strace-static-x86_64: Process 446 attached [pid 446] set_robust_list(0x55558059c6a0, 24) = 0 [pid 446] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 446] setpgid(0, 0) = 0 [pid 446] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 446] write(3, "1000", 4) = 4 [pid 446] close(3) = 0 executing program [pid 446] write(1, "executing program\n", 18) = 18 [pid 446] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 446] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 446] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 446] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 446] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 446] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 446] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 447 attached [pid 447] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 447] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 447] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 446] <... clone3 resumed> => {parent_tid=[447]}, 88) = 447 [pid 446] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 446] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 447] <... futex resumed>) = 0 [pid 446] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 447] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 447] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 447] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 446] <... futex resumed>) = 0 [pid 446] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 447] <... futex resumed>) = 0 [pid 446] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 447] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 447] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 447] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 447] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 447] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 447] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 446] <... futex resumed>) = 0 [pid 447] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 446] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 447] <... sendmsg resumed>) = 0 [pid 447] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 446] <... mmap resumed>) = 0x7f6b2567d000 [pid 446] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 447] <... sendmsg resumed>) = 0 [pid 446] <... mprotect resumed>) = 0 [pid 447] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 446] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 446] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 447] <... sendmsg resumed>) = 0 [pid 447] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 447] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 446] <... clone3 resumed> => {parent_tid=[448]}, 88) = 448 [pid 446] rt_sigprocmask(SIG_SETMASK, [], [pid 447] <... sendmsg resumed>) = 0 [pid 446] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 447] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 446] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 446] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 447] <... sendmsg resumed>) = 0 [pid 447] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 447] 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 448 attached [pid 447] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 448] set_robust_list(0x7f6b2569d9a0, 24 [pid 447] <... sendmsg resumed>) = 0 [pid 447] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 447] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 447] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 447] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 447] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 447] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 448] <... set_robust_list resumed>) = 0 [pid 447] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 447] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 447] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 447] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 447] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 447] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 447] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 447] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 447] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 447] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 448] rt_sigprocmask(SIG_SETMASK, [], [pid 447] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 447] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 447] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 447] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 448] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 448] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 448] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 446] <... futex resumed>) = 0 [pid 446] exit_group(0) = ? [pid 447] <... futex resumed>) = ? [pid 447] +++ exited with 0 +++ [pid 448] +++ exited with 0 +++ [pid 446] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=446, si_uid=0, si_status=0, 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 449 attached , child_tidptr=0x55558059c690) = 449 [pid 449] set_robust_list(0x55558059c6a0, 24) = 0 [pid 449] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 449] setpgid(0, 0) = 0 [pid 449] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 449] write(3, "1000", 4) = 4 [pid 449] close(3executing program ) = 0 [pid 449] write(1, "executing program\n", 18) = 18 [pid 449] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 449] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 449] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 449] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 449] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 449] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 449] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 450 attached => {parent_tid=[450]}, 88) = 450 [pid 450] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 450] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 450] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 449] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 449] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 450] <... futex resumed>) = 0 [pid 449] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 450] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 450] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 450] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 449] <... futex resumed>) = 0 [pid 449] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 449] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 449] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 449] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 449] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 449] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 450] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 449] <... clone3 resumed> => {parent_tid=[451]}, 88) = 451 [pid 450] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 449] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 449] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 449] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 451 attached [pid 451] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 451] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 451] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 451] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 449] <... futex resumed>) = 0 [pid 450] <... sendmsg resumed>) = 0 [pid 451] <... futex resumed>) = 1 [pid 450] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 451] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 450] <... sendmsg resumed>) = 0 [pid 450] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 450] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 450] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 450] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 450] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 450] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 450] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 450] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 450] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 450] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 450] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 450] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 450] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 450] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 450] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 450] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 450] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 450] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 450] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 450] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 450] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 450] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 450] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 450] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 450] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 450] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 450] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 450] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 450] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 450] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 450] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 450] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 450] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 449] exit_group(0 [pid 450] <... futex resumed>) = ? [pid 449] <... exit_group resumed>) = ? [pid 450] +++ exited with 0 +++ [pid 451] <... futex resumed>) = ? [pid 451] +++ exited with 0 +++ [pid 449] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=449, si_uid=0, si_status=0, 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 452 attached , child_tidptr=0x55558059c690) = 452 [pid 452] set_robust_list(0x55558059c6a0, 24) = 0 [pid 452] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 452] setpgid(0, 0) = 0 [pid 452] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 452] write(3, "1000", 4) = 4 [pid 452] close(3executing program ) = 0 [pid 452] write(1, "executing program\n", 18) = 18 [pid 452] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 452] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 452] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 452] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 452] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 452] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 452] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 453 attached => {parent_tid=[453]}, 88) = 453 [pid 453] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 453] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 453] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 452] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 452] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 453] <... futex resumed>) = 0 [pid 452] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 453] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 453] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 453] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 452] <... futex resumed>) = 0 [pid 452] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 452] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 452] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 452] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 452] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 453] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 452] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} => {parent_tid=[454]}, 88) = 454 [pid 453] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 452] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 452] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 452] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 454 attached [pid 454] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 454] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 454] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 454] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 452] <... futex resumed>) = 0 [pid 454] <... futex resumed>) = 1 [pid 453] <... sendmsg resumed>) = 0 [pid 454] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 453] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 453] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 453] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 453] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 453] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 453] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 453] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 453] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 453] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 453] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 453] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 453] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 453] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 453] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 453] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 453] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 453] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 453] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 453] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 453] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 453] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 453] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 453] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 453] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 453] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 453] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 453] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 453] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 453] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 453] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 453] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 453] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 453] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 453] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 452] exit_group(0 [pid 453] <... futex resumed>) = ? [pid 452] <... exit_group resumed>) = ? [pid 453] +++ exited with 0 +++ [pid 454] <... futex resumed>) = ? [pid 454] +++ exited with 0 +++ [pid 452] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=452, si_uid=0, si_status=0, 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 455 attached , child_tidptr=0x55558059c690) = 455 [pid 455] set_robust_list(0x55558059c6a0, 24) = 0 [pid 455] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 455] setpgid(0, 0) = 0 [pid 455] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 455] write(3, "1000", 4) = 4 [pid 455] close(3executing program ) = 0 [pid 455] write(1, "executing program\n", 18) = 18 [pid 455] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 455] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 455] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 455] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 455] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 455] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 455] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 456 attached [pid 456] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 456] rt_sigprocmask(SIG_SETMASK, [], [pid 455] <... clone3 resumed> => {parent_tid=[456]}, 88) = 456 [pid 456] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 456] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 455] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 455] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 456] <... futex resumed>) = 0 [pid 455] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 456] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 456] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 456] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 455] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 455] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 456] <... futex resumed>) = 0 [pid 455] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 456] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 456] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 456] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 456] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 456] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 456] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 456] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 456] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 456] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 456] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 456] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 455] <... futex resumed>) = 0 [pid 456] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 455] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 456] <... sendmsg resumed>) = 0 [pid 455] <... mmap resumed>) = 0x7f6b2567d000 [pid 456] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 456] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 455] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 456] <... sendmsg resumed>) = 0 [pid 455] <... mprotect resumed>) = 0 [pid 456] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 455] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 456] <... sendmsg resumed>) = 0 [pid 456] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 455] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 456] <... sendmsg resumed>) = 0 [pid 456] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 456] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 455] <... clone3 resumed> => {parent_tid=[457]}, 88) = 457 [pid 455] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 455] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000 [pid 456] <... sendmsg resumed>) = 0 [pid 456] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 455] <... futex resumed>) = 0 [pid 456] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 455] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 456] <... sendmsg resumed>) = 0 [pid 456] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 456] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 456] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 456] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 456] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 456] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 456] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 456] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 456] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 456] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 456] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 456] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 456] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 456] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 456] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 457 attached [pid 457] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 457] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 457] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 457] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 455] <... futex resumed>) = 0 [pid 455] exit_group(0) = ? [pid 456] <... futex resumed>) = ? [pid 456] +++ exited with 0 +++ [pid 457] +++ exited with 0 +++ [pid 455] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=455, si_uid=0, si_status=0, 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 458 attached , child_tidptr=0x55558059c690) = 458 [pid 458] set_robust_list(0x55558059c6a0, 24) = 0 [pid 458] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 458] setpgid(0, 0) = 0 [pid 458] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 458] write(3, "1000", 4) = 4 executing program [pid 458] close(3) = 0 [pid 458] write(1, "executing program\n", 18) = 18 [pid 458] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 458] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 458] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 458] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 458] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 458] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 458] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 459 attached => {parent_tid=[459]}, 88) = 459 [pid 458] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 458] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 458] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 459] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 459] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 459] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 459] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 458] <... futex resumed>) = 0 [pid 458] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 458] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 458] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 458] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 458] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 458] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} => {parent_tid=[460]}, 88) = 460 [pid 458] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 458] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 458] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 460 attached [pid 460] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 460] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 460] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 460] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 458] <... futex resumed>) = 0 [pid 460] <... futex resumed>) = 1 [pid 460] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 459] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 459] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 459] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 459] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 459] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 459] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 459] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 459] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 459] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 459] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 459] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 459] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 459] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 459] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 459] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 459] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 459] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 459] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 459] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 459] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 459] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 459] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 459] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 459] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 459] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 459] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 459] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 459] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 459] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 459] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 459] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 459] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 459] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 459] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 458] exit_group(0) = ? [pid 460] <... futex resumed>) = ? [pid 459] +++ exited with 0 +++ [pid 460] +++ exited with 0 +++ [pid 458] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=458, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 461 ./strace-static-x86_64: Process 461 attached [pid 461] set_robust_list(0x55558059c6a0, 24) = 0 [pid 461] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 461] setpgid(0, 0) = 0 [pid 461] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 461] write(3, "1000", 4) = 4 [pid 461] close(3) = 0 [pid 461] write(1, "executing program\n", 18executing program ) = 18 [pid 461] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 461] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 461] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 461] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 461] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 461] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 461] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0} => {parent_tid=[462]}, 88) = 462 [pid 461] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 461] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 461] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 462 attached [pid 462] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 462] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 462] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 462] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 461] <... futex resumed>) = 0 [pid 461] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 461] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 461] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 461] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 461] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 461] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 462] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 461] <... clone3 resumed> => {parent_tid=[463]}, 88) = 463 [pid 462] <... sendmsg resumed>) = 0 [pid 461] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 461] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 461] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 463 attached [pid 463] set_robust_list(0x7f6b2569d9a0, 24 [pid 462] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 463] <... set_robust_list resumed>) = 0 [pid 463] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 463] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 463] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 461] <... futex resumed>) = 0 [pid 463] <... futex resumed>) = 1 [pid 462] <... sendmsg resumed>) = 0 [pid 463] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 462] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 462] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 462] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 462] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 462] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 462] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 462] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 462] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 462] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 462] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 462] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 462] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 462] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 462] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 462] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 462] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 462] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 462] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 462] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 462] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 462] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 462] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 462] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 462] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 462] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 462] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 462] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 462] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 462] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 462] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 462] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 462] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 462] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 461] exit_group(0 [pid 463] <... futex resumed>) = ? [pid 462] <... futex resumed>) = ? [pid 461] <... exit_group resumed>) = ? [pid 463] +++ exited with 0 +++ [pid 462] +++ exited with 0 +++ [pid 461] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=461, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 464 ./strace-static-x86_64: Process 464 attached [pid 464] set_robust_list(0x55558059c6a0, 24) = 0 [pid 464] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 464] setpgid(0, 0) = 0 [pid 464] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 464] write(3, "1000", 4) = 4 [pid 464] close(3) = 0 [pid 464] write(1, "executing program\n", 18executing program ) = 18 [pid 464] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 464] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 464] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 464] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 464] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 464] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 464] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 465 attached => {parent_tid=[465]}, 88) = 465 [pid 465] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 465] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 465] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 464] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 464] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 465] <... futex resumed>) = 0 [pid 464] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 465] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 465] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 464] <... futex resumed>) = 0 [pid 464] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 464] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 464] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 464] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 464] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 465] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 464] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 465] <... sendmsg resumed>) = 0 [pid 465] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 464] <... clone3 resumed> => {parent_tid=[466]}, 88) = 466 [pid 465] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 464] rt_sigprocmask(SIG_SETMASK, [], [pid 465] <... sendmsg resumed>) = 0 [pid 464] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 464] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000 [pid 465] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 464] <... futex resumed>) = 0 [pid 465] <... sendmsg resumed>) = 0 [pid 464] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 465] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 465] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 465] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 465] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 465] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 465] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 465] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 465] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 465] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 465] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 465] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 465] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 465] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 465] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 465] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 465] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 465] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 465] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 465] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 465] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 465] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 465] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 465] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 465] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 465] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 465] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 465] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 465] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 465] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 465] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 465] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 466 attached [pid 466] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 466] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 466] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 466] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 464] <... futex resumed>) = 0 [pid 464] exit_group(0) = ? [pid 465] <... futex resumed>) = ? [pid 466] <... futex resumed>) = ? [pid 465] +++ exited with 0 +++ [pid 466] +++ exited with 0 +++ [pid 464] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=464, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 467 ./strace-static-x86_64: Process 467 attached [pid 467] set_robust_list(0x55558059c6a0, 24) = 0 [pid 467] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 467] setpgid(0, 0) = 0 [pid 467] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 467] write(3, "1000", 4) = 4 [pid 467] close(3) = 0 [pid 467] write(1, "executing program\n", 18executing program ) = 18 [pid 467] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 467] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 467] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 467] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 467] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 467] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 467] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 468 attached => {parent_tid=[468]}, 88) = 468 [pid 468] set_robust_list(0x7f6b256be9a0, 24 [pid 467] rt_sigprocmask(SIG_SETMASK, [], [pid 468] <... set_robust_list resumed>) = 0 [pid 467] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 468] rt_sigprocmask(SIG_SETMASK, [], [pid 467] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000 [pid 468] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 467] <... futex resumed>) = 0 [pid 468] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 467] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 468] <... socketpair resumed>[3, 4]) = 0 [pid 468] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 467] <... futex resumed>) = 0 [pid 467] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 467] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 467] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 467] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 467] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 468] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 467] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 468] <... sendmsg resumed>) = 0 [pid 468] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 467] <... clone3 resumed> => {parent_tid=[469]}, 88) = 469 [pid 467] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 467] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 467] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 469 attached [pid 469] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 469] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 469] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 469] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 467] <... futex resumed>) = 0 [pid 469] <... futex resumed>) = 1 [pid 469] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 468] <... sendmsg resumed>) = 0 [pid 468] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 468] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 468] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 468] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 468] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 468] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 468] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 468] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 468] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 468] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 468] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 468] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 468] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 468] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 468] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 468] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 468] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 468] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 468] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 468] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 468] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 468] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 468] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 468] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 468] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 468] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 468] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 468] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 468] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 468] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 468] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 468] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 468] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 467] exit_group(0) = ? [pid 468] <... futex resumed>) = ? [pid 469] <... futex resumed>) = ? [pid 468] +++ exited with 0 +++ [pid 469] +++ exited with 0 +++ [pid 467] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=467, si_uid=0, si_status=0, 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 470 attached , child_tidptr=0x55558059c690) = 470 [pid 470] set_robust_list(0x55558059c6a0, 24) = 0 [pid 470] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 470] setpgid(0, 0) = 0 [pid 470] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 470] write(3, "1000", 4) = 4 [pid 470] close(3) = 0 executing program [pid 470] write(1, "executing program\n", 18) = 18 [pid 470] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 470] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 470] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 470] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 470] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 470] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 470] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 471 attached => {parent_tid=[471]}, 88) = 471 [pid 471] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 471] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 471] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 470] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 470] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 471] <... futex resumed>) = 0 [pid 471] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 470] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 471] <... socketpair resumed>[3, 4]) = 0 [pid 471] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 471] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 470] <... futex resumed>) = 0 [pid 470] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 470] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 470] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 470] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 471] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 470] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 470] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} => {parent_tid=[472]}, 88) = 472 [pid 470] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 470] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 470] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 472 attached [pid 472] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 472] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 472] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 472] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 470] <... futex resumed>) = 0 [pid 472] <... futex resumed>) = 1 [pid 472] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 471] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 471] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 471] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 471] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 471] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 471] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 471] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 471] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 471] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 471] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 471] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 471] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 471] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 471] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 471] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 471] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 471] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 471] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 471] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 471] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 471] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 471] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 471] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 471] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 471] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 471] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 471] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 471] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 471] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 471] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 471] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 471] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 471] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 471] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 471] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 470] exit_group(0 [pid 471] <... futex resumed>) = ? [pid 470] <... exit_group resumed>) = ? [pid 471] +++ exited with 0 +++ [pid 472] <... futex resumed>) = ? [pid 472] +++ exited with 0 +++ [pid 470] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=470, 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=0x55558059c690) = 473 ./strace-static-x86_64: Process 473 attached [pid 473] set_robust_list(0x55558059c6a0, 24) = 0 [pid 473] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 473] setpgid(0, 0) = 0 [pid 473] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 473] write(3, "1000", 4) = 4 [pid 473] close(3) = 0 [pid 473] write(1, "executing program\n", 18executing program ) = 18 [pid 473] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 473] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 473] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 473] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 473] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 473] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 473] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 474 attached [pid 474] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 474] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 474] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 473] <... clone3 resumed> => {parent_tid=[474]}, 88) = 474 [pid 473] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 473] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 474] <... futex resumed>) = 0 [pid 474] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 473] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 474] <... socketpair resumed>[3, 4]) = 0 [pid 474] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 474] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 473] <... futex resumed>) = 0 [pid 473] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 474] <... futex resumed>) = 0 [pid 473] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 474] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 474] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 474] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 474] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 474] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 474] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 473] <... futex resumed>) = 0 [pid 474] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 474] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 474] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 474] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 474] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 473] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 474] <... sendmsg resumed>) = 0 [pid 473] <... mmap resumed>) = 0x7f6b2567d000 [pid 474] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 473] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 474] <... sendmsg resumed>) = 0 [pid 473] <... mprotect resumed>) = 0 [pid 474] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 473] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 474] <... sendmsg resumed>) = 0 [pid 473] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 474] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 474] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 473] <... clone3 resumed> => {parent_tid=[475]}, 88) = 475 [pid 473] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 473] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 474] <... sendmsg resumed>) = 0 [pid 473] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 474] 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 475 attached [pid 475] set_robust_list(0x7f6b2569d9a0, 24 [pid 474] <... sendmsg resumed>) = 0 [pid 475] <... set_robust_list resumed>) = 0 [pid 474] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 474] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 474] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 474] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 474] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 474] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 474] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 474] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 474] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 474] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 474] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 474] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 474] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 474] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 474] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 475] rt_sigprocmask(SIG_SETMASK, [], [pid 474] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 475] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 474] <... sendmsg resumed>) = 0 [pid 474] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 474] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 474] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 475] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 475] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 473] <... futex resumed>) = 0 [pid 473] exit_group(0) = ? [pid 474] <... futex resumed>) = ? [pid 474] +++ exited with 0 +++ [pid 475] +++ exited with 0 +++ [pid 473] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=473, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 476 ./strace-static-x86_64: Process 476 attached [pid 476] set_robust_list(0x55558059c6a0, 24) = 0 [pid 476] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 476] setpgid(0, 0) = 0 [pid 476] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 476] write(3, "1000", 4) = 4 [pid 476] close(3) = 0 executing program [pid 476] write(1, "executing program\n", 18) = 18 [pid 476] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 476] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 476] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 476] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 476] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 476] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 476] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 477 attached => {parent_tid=[477]}, 88) = 477 [pid 477] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 477] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 477] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 476] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 476] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 477] <... futex resumed>) = 0 [pid 476] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 477] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 477] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 477] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 476] <... futex resumed>) = 0 [pid 476] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 476] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 476] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 476] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 476] rt_sigprocmask(SIG_BLOCK, ~[], [pid 477] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 476] <... rt_sigprocmask resumed>[], 8) = 0 [pid 476] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 477] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 476] <... clone3 resumed> => {parent_tid=[478]}, 88) = 478 [pid 477] 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 478 attached [pid 478] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 478] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 478] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 477] <... sendmsg resumed>) = 0 [pid 476] rt_sigprocmask(SIG_SETMASK, [], [pid 477] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 476] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 477] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 476] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000 [pid 477] <... sendmsg resumed>) = 0 [pid 476] <... futex resumed>) = 1 [pid 477] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 478] <... futex resumed>) = 0 [pid 478] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 478] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 478] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 477] <... sendmsg resumed>) = 0 [pid 476] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 477] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 476] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 477] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 477] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 477] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 477] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 477] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 477] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 477] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 477] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 477] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 477] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 477] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 477] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 477] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 477] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 477] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 477] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 477] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 477] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 477] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 477] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 477] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 477] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 477] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 477] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 477] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 477] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 477] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 477] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 477] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 476] exit_group(0 [pid 477] <... futex resumed>) = ? [pid 476] <... exit_group resumed>) = ? [pid 478] <... futex resumed>) = ? [pid 477] +++ exited with 0 +++ [pid 478] +++ exited with 0 +++ [pid 476] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=476, si_uid=0, si_status=0, 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 479 attached , child_tidptr=0x55558059c690) = 479 [pid 479] set_robust_list(0x55558059c6a0, 24) = 0 [pid 479] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 479] setpgid(0, 0) = 0 [pid 479] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 479] write(3, "1000", 4) = 4 [pid 479] close(3executing program ) = 0 [pid 479] write(1, "executing program\n", 18) = 18 [pid 479] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 479] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 479] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 479] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 479] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 479] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 479] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 480 attached => {parent_tid=[480]}, 88) = 480 [pid 480] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 480] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 480] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 479] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 479] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 480] <... futex resumed>) = 0 [pid 480] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 479] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 480] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 480] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 479] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 479] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 480] <... futex resumed>) = 0 [pid 479] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 480] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 480] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 479] <... futex resumed>) = 0 [pid 480] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 479] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 480] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 479] <... mmap resumed>) = 0x7f6b2567d000 [pid 479] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 480] <... sendmsg resumed>) = 0 [pid 479] <... mprotect resumed>) = 0 [pid 480] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 479] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 479] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 480] <... sendmsg resumed>) = 0 [pid 480] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 479] <... clone3 resumed> => {parent_tid=[481]}, 88) = 481 [pid 479] rt_sigprocmask(SIG_SETMASK, [], [pid 480] <... sendmsg resumed>) = 0 [pid 479] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 480] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 479] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 479] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 480] <... sendmsg resumed>) = 0 [pid 480] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 480] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 480] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 480] 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 481 attached ) = 0 [pid 480] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 480] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 480] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 481] set_robust_list(0x7f6b2569d9a0, 24 [pid 480] <... sendmsg resumed>) = 0 [pid 480] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 480] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 480] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 481] <... set_robust_list resumed>) = 0 [pid 480] <... sendmsg resumed>) = 0 [pid 480] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 480] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 480] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 481] rt_sigprocmask(SIG_SETMASK, [], [pid 480] <... sendmsg resumed>) = 0 [pid 480] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 481] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 480] <... sendmsg resumed>) = 0 [pid 480] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 480] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 481] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 480] <... sendmsg resumed>) = 0 [pid 480] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 480] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 480] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 480] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 481] <... setsockopt resumed>) = 0 [pid 480] <... sendmsg resumed>) = 0 [pid 481] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 480] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 480] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 480] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 481] <... futex resumed>) = 1 [pid 479] <... futex resumed>) = 0 [pid 480] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 480] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 480] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 480] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 480] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 481] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 479] exit_group(0) = ? [pid 480] <... futex resumed>) = ? [pid 480] +++ exited with 0 +++ [pid 481] <... futex resumed>) = ? [pid 481] +++ exited with 0 +++ [pid 479] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=479, 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 482 attached , child_tidptr=0x55558059c690) = 482 [pid 482] set_robust_list(0x55558059c6a0, 24) = 0 [pid 482] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 482] setpgid(0, 0) = 0 [pid 482] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 482] write(3, "1000", 4) = 4 [pid 482] close(3) = 0 [pid 482] write(1, "executing program\n", 18executing program ) = 18 [pid 482] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 482] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 482] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 482] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 482] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 482] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 482] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 483 attached => {parent_tid=[483]}, 88) = 483 [pid 482] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 482] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 482] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 483] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 483] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 483] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 483] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 482] <... futex resumed>) = 0 [pid 482] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 483] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 482] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 482] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 482] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 482] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 482] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} => {parent_tid=[484]}, 88) = 484 [pid 482] rt_sigprocmask(SIG_SETMASK, [], [pid 483] <... sendmsg resumed>) = 0 [pid 482] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 482] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 482] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 484 attached [pid 484] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 484] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 483] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 484] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 484] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 482] <... futex resumed>) = 0 [pid 484] <... futex resumed>) = 1 [pid 484] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 483] <... sendmsg resumed>) = 0 [pid 483] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 483] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 483] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 483] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 483] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 483] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 483] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 483] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 483] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 483] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 483] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 483] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 483] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 483] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 483] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 483] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 483] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 483] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 483] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 483] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 483] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 483] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 483] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 483] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 483] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 483] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 483] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 483] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 483] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 483] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 483] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 483] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 483] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 482] exit_group(0) = ? [pid 483] <... futex resumed>) = ? [pid 483] +++ exited with 0 +++ [pid 484] <... futex resumed>) = ? [pid 484] +++ exited with 0 +++ [pid 482] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=482, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 485 ./strace-static-x86_64: Process 485 attached [pid 485] set_robust_list(0x55558059c6a0, 24) = 0 [pid 485] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 485] setpgid(0, 0) = 0 [pid 485] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 485] write(3, "1000", 4) = 4 [pid 485] close(3) = 0 executing program [pid 485] write(1, "executing program\n", 18) = 18 [pid 485] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 485] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 485] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 485] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 485] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 485] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 485] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 486 attached [pid 486] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 486] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 486] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 485] <... clone3 resumed> => {parent_tid=[486]}, 88) = 486 [pid 485] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 485] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 486] <... futex resumed>) = 0 [pid 486] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 485] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 486] <... socketpair resumed>[3, 4]) = 0 [pid 486] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000 [pid 485] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 486] <... futex resumed>) = 0 [pid 485] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000 [pid 486] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 485] <... futex resumed>) = 0 [pid 486] <... sendmsg resumed>) = 0 [pid 485] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 485] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 486] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 485] <... mmap resumed>) = 0x7f6b2567d000 [pid 485] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 486] <... sendmsg resumed>) = 0 [pid 485] <... mprotect resumed>) = 0 [pid 486] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 485] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 485] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 486] <... sendmsg resumed>) = 0 [pid 486] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 485] <... clone3 resumed> => {parent_tid=[487]}, 88) = 487 [pid 486] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 485] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 485] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 485] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 487 attached [pid 486] <... sendmsg resumed>) = 0 [pid 487] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 487] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 487] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 487] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 485] <... futex resumed>) = 0 [pid 487] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 486] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 486] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 486] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 486] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 486] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 486] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 486] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 486] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 486] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 486] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 486] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 486] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 486] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 486] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 486] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 486] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 486] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 486] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 486] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 486] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 486] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 486] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 486] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 486] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 486] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 486] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 486] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 486] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 486] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 485] exit_group(0) = ? [pid 487] <... futex resumed>) = ? [pid 487] +++ exited with 0 +++ [pid 486] +++ exited with 0 +++ [pid 485] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=485, si_uid=0, si_status=0, 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 488 attached , child_tidptr=0x55558059c690) = 488 [pid 488] set_robust_list(0x55558059c6a0, 24) = 0 [pid 488] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 488] setpgid(0, 0) = 0 [pid 488] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 488] write(3, "1000", 4) = 4 [pid 488] close(3) = 0 [pid 488] write(1, "executing program\n", 18) = 18 [pid 488] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000executing program ) = 0 [pid 488] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 488] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 488] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 488] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 488] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 488] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0} => {parent_tid=[489]}, 88) = 489 ./strace-static-x86_64: Process 489 attached [pid 488] rt_sigprocmask(SIG_SETMASK, [], [pid 489] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 489] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 489] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 488] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 488] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 489] <... futex resumed>) = 0 [pid 488] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 489] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 489] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 489] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 488] <... futex resumed>) = 0 [pid 488] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 488] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 488] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 488] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 488] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 488] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 489] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 488] <... clone3 resumed> => {parent_tid=[490]}, 88) = 490 [pid 488] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 488] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000 [pid 489] <... sendmsg resumed>) = 0 [pid 488] <... futex resumed>) = 0 [pid 488] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 490 attached [pid 490] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 490] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 490] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 490] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 488] <... futex resumed>) = 0 [pid 489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 490] <... futex resumed>) = 1 [pid 490] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 489] <... sendmsg resumed>) = 0 [pid 489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 489] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 489] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 488] exit_group(0 [pid 490] <... futex resumed>) = ? [pid 489] <... futex resumed>) = ? [pid 488] <... exit_group resumed>) = ? [pid 489] +++ exited with 0 +++ [pid 490] +++ exited with 0 +++ [pid 488] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=488, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 491 ./strace-static-x86_64: Process 491 attached [pid 491] set_robust_list(0x55558059c6a0, 24) = 0 [pid 491] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 491] setpgid(0, 0) = 0 [pid 491] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 491] write(3, "1000", 4) = 4 [pid 491] close(3) = 0 executing program [pid 491] write(1, "executing program\n", 18) = 18 [pid 491] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 491] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 491] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 491] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 491] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 491] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 491] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 492 attached => {parent_tid=[492]}, 88) = 492 [pid 492] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 492] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 492] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 491] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 491] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 492] <... futex resumed>) = 0 [pid 492] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 491] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 492] <... socketpair resumed>[3, 4]) = 0 [pid 492] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 491] <... futex resumed>) = 0 [pid 491] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 491] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 491] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 491] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 491] rt_sigprocmask(SIG_BLOCK, ~[], [pid 492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 491] <... rt_sigprocmask resumed>[], 8) = 0 [pid 492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 491] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 492] <... sendmsg resumed>) = 0 ./strace-static-x86_64: Process 493 attached [pid 493] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 493] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 493] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 491] <... clone3 resumed> => {parent_tid=[493]}, 88) = 493 [pid 492] <... sendmsg resumed>) = 0 [pid 491] rt_sigprocmask(SIG_SETMASK, [], [pid 492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 491] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 492] <... sendmsg resumed>) = 0 [pid 491] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000 [pid 492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 491] <... futex resumed>) = 1 [pid 493] <... futex resumed>) = 0 [pid 493] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 493] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 493] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 492] <... sendmsg resumed>) = 0 [pid 491] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 491] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 492] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 492] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 492] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 491] exit_group(0 [pid 493] <... futex resumed>) = 231 [pid 491] <... exit_group resumed>) = ? [pid 492] <... futex resumed>) = ? [pid 492] +++ exited with 0 +++ [pid 493] +++ exited with 0 +++ [pid 491] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=491, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 494 ./strace-static-x86_64: Process 494 attached [pid 494] set_robust_list(0x55558059c6a0, 24) = 0 [pid 494] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 494] setpgid(0, 0) = 0 [pid 494] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 494] write(3, "1000", 4) = 4 [pid 494] close(3) = 0 executing program [pid 494] write(1, "executing program\n", 18) = 18 [pid 494] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 494] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 494] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 494] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 494] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 494] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 494] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 495 attached => {parent_tid=[495]}, 88) = 495 [pid 495] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 495] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 495] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 494] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 494] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 495] <... futex resumed>) = 0 [pid 495] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 494] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 495] <... socketpair resumed>[3, 4]) = 0 [pid 495] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 495] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 494] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 494] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000 [pid 495] <... futex resumed>) = 0 [pid 494] <... futex resumed>) = 1 [pid 495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 494] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 495] <... sendmsg resumed>) = 0 [pid 494] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 494] <... mmap resumed>) = 0x7f6b2567d000 [pid 495] <... sendmsg resumed>) = 0 [pid 494] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 494] <... mprotect resumed>) = 0 [pid 495] <... sendmsg resumed>) = 0 [pid 494] rt_sigprocmask(SIG_BLOCK, ~[], [pid 495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 494] <... rt_sigprocmask resumed>[], 8) = 0 [pid 494] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 495] <... sendmsg resumed>) = 0 [pid 495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 494] <... clone3 resumed> => {parent_tid=[496]}, 88) = 496 [pid 494] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 494] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 495] <... sendmsg resumed>) = 0 [pid 494] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 495] 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 496 attached ) = 0 [pid 495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 496] set_robust_list(0x7f6b2569d9a0, 24 [pid 495] <... sendmsg resumed>) = 0 [pid 495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 496] <... set_robust_list resumed>) = 0 [pid 495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 496] rt_sigprocmask(SIG_SETMASK, [], [pid 495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 496] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 495] <... sendmsg resumed>) = 0 [pid 496] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 495] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 495] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 496] <... setsockopt resumed>) = 0 [pid 496] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 494] <... futex resumed>) = 0 [pid 496] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 494] exit_group(0) = ? [pid 496] <... futex resumed>) = 231 [pid 495] <... futex resumed>) = ? [pid 496] +++ exited with 0 +++ [pid 495] +++ exited with 0 +++ [pid 494] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=494, si_uid=0, si_status=0, 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 497 attached , child_tidptr=0x55558059c690) = 497 [pid 497] set_robust_list(0x55558059c6a0, 24) = 0 [pid 497] prctl(PR_SET_PDEATHSIG, SIGKILLexecuting program ) = 0 [pid 497] setpgid(0, 0) = 0 [pid 497] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 497] write(3, "1000", 4) = 4 [pid 497] close(3) = 0 [pid 497] write(1, "executing program\n", 18) = 18 [pid 497] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 497] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 497] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 497] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 497] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 497] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 497] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 498 attached [pid 498] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 498] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 498] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 497] <... clone3 resumed> => {parent_tid=[498]}, 88) = 498 [pid 497] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 497] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 498] <... futex resumed>) = 0 [pid 497] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 498] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 498] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 497] <... futex resumed>) = 0 [pid 497] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 497] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 497] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 497] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 497] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 497] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0}./strace-static-x86_64: Process 499 attached [pid 498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 497] <... clone3 resumed> => {parent_tid=[499]}, 88) = 499 [pid 498] <... sendmsg resumed>) = 0 [pid 497] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 497] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 497] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 499] set_robust_list(0x7f6b2569d9a0, 24 [pid 498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 499] <... set_robust_list resumed>) = 0 [pid 498] <... sendmsg resumed>) = 0 [pid 499] rt_sigprocmask(SIG_SETMASK, [], [pid 498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 499] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 498] <... sendmsg resumed>) = 0 [pid 499] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 499] <... setsockopt resumed>) = 0 [pid 498] <... sendmsg resumed>) = 0 [pid 499] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 499] <... futex resumed>) = 1 [pid 498] <... sendmsg resumed>) = 0 [pid 497] <... futex resumed>) = 0 [pid 498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 499] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 498] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 498] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000 [pid 497] exit_group(0 [pid 498] <... futex resumed>) = 0 [pid 497] <... exit_group resumed>) = ? [pid 498] +++ exited with 0 +++ [pid 499] <... futex resumed>) = ? [pid 499] +++ exited with 0 +++ [pid 497] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=497, si_uid=0, si_status=0, 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 500 attached , child_tidptr=0x55558059c690) = 500 [pid 500] set_robust_list(0x55558059c6a0, 24) = 0 [pid 500] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 500] setpgid(0, 0) = 0 [pid 500] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 500] write(3, "1000", 4) = 4 [pid 500] close(3) = 0 [pid 500] write(1, "executing program\n", 18executing program ) = 18 [pid 500] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 500] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 500] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 500] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 500] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 500] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 500] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0} => {parent_tid=[501]}, 88) = 501 ./strace-static-x86_64: Process 501 attached [pid 500] rt_sigprocmask(SIG_SETMASK, [], [pid 501] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 501] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 501] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 500] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 500] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 501] <... futex resumed>) = 0 [pid 500] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 501] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 501] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 500] <... futex resumed>) = 0 [pid 500] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 500] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 500] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 500] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 500] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 500] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} => {parent_tid=[502]}, 88) = 502 [pid 500] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 500] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 500] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 501] 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 502 attached [pid 502] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 502] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 502] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 502] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 500] <... futex resumed>) = 0 [pid 502] <... futex resumed>) = 1 [pid 502] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 501] <... sendmsg resumed>) = 0 [pid 501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 501] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 501] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 500] exit_group(0 [pid 501] <... futex resumed>) = ? [pid 500] <... exit_group resumed>) = ? [pid 501] +++ exited with 0 +++ [pid 502] <... futex resumed>) = ? [pid 502] +++ exited with 0 +++ [pid 500] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=500, si_uid=0, si_status=0, 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 503 attached , child_tidptr=0x55558059c690) = 503 [pid 503] set_robust_list(0x55558059c6a0, 24) = 0 [pid 503] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 503] setpgid(0, 0) = 0 [pid 503] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 503] write(3, "1000", 4) = 4 [pid 503] close(3) = 0 [pid 503] write(1, "executing program\n", 18executing program ) = 18 [pid 503] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 503] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 503] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 503] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 503] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 503] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 503] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 504 attached => {parent_tid=[504]}, 88) = 504 [pid 504] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 503] rt_sigprocmask(SIG_SETMASK, [], [pid 504] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 503] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 504] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 503] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000 [pid 504] <... socketpair resumed>[3, 4]) = 0 [pid 503] <... futex resumed>) = 0 [pid 504] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000 [pid 503] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 504] <... futex resumed>) = 0 [pid 504] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 503] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 504] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 503] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000 [pid 504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 503] <... futex resumed>) = 0 [pid 503] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 504] <... sendmsg resumed>) = 0 [pid 503] <... futex resumed>) = 0 [pid 504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 503] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 504] <... sendmsg resumed>) = 0 [pid 503] <... mmap resumed>) = 0x7f6b2567d000 [pid 504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 503] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 504] <... sendmsg resumed>) = 0 [pid 503] <... mprotect resumed>) = 0 [pid 504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 503] rt_sigprocmask(SIG_BLOCK, ~[], [pid 504] <... sendmsg resumed>) = 0 [pid 503] <... rt_sigprocmask resumed>[], 8) = 0 [pid 504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 503] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0}./strace-static-x86_64: Process 505 attached [pid 504] <... sendmsg resumed>) = 0 [pid 503] <... clone3 resumed> => {parent_tid=[505]}, 88) = 505 [pid 505] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 505] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 505] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 503] rt_sigprocmask(SIG_SETMASK, [], [pid 504] <... sendmsg resumed>) = 0 [pid 503] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 503] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000 [pid 504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 503] <... futex resumed>) = 1 [pid 505] <... futex resumed>) = 0 [pid 505] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 505] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 505] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 503] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 504] <... sendmsg resumed>) = 0 [pid 504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 503] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 504] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 504] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 504] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 503] exit_group(0 [pid 504] <... futex resumed>) = ? [pid 503] <... exit_group resumed>) = ? [pid 504] +++ exited with 0 +++ [pid 505] <... futex resumed>) = ? [pid 505] +++ exited with 0 +++ [pid 503] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=503, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 506 ./strace-static-x86_64: Process 506 attached [pid 506] set_robust_list(0x55558059c6a0, 24) = 0 [pid 506] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 506] setpgid(0, 0) = 0 [pid 506] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 506] write(3, "1000", 4) = 4 executing program [pid 506] close(3) = 0 [pid 506] write(1, "executing program\n", 18) = 18 [pid 506] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 506] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 506] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 506] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 506] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 506] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 506] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 507 attached [pid 507] set_robust_list(0x7f6b256be9a0, 24 [pid 506] <... clone3 resumed> => {parent_tid=[507]}, 88) = 507 [pid 507] <... set_robust_list resumed>) = 0 [pid 506] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 507] rt_sigprocmask(SIG_SETMASK, [], [pid 506] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 507] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 506] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 507] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 507] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 506] <... futex resumed>) = 0 [pid 506] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 506] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 506] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 506] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 506] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 506] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 507] 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 508 attached [pid 506] <... clone3 resumed> => {parent_tid=[508]}, 88) = 508 [pid 506] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 506] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 506] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 508] set_robust_list(0x7f6b2569d9a0, 24 [pid 507] <... sendmsg resumed>) = 0 [pid 508] <... set_robust_list resumed>) = 0 [pid 507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 508] rt_sigprocmask(SIG_SETMASK, [], [pid 507] <... sendmsg resumed>) = 0 [pid 508] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 508] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 507] <... sendmsg resumed>) = 0 [pid 508] <... setsockopt resumed>) = 0 [pid 507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 508] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 507] <... sendmsg resumed>) = 0 [pid 508] <... futex resumed>) = 1 [pid 507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 506] <... futex resumed>) = 0 [pid 508] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 507] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 507] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 507] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 506] exit_group(0 [pid 507] <... futex resumed>) = ? [pid 506] <... exit_group resumed>) = ? [pid 507] +++ exited with 0 +++ [pid 508] <... futex resumed>) = ? [pid 508] +++ exited with 0 +++ [pid 506] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=506, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 509 ./strace-static-x86_64: Process 509 attached [pid 509] set_robust_list(0x55558059c6a0, 24) = 0 [pid 509] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 509] setpgid(0, 0) = 0 [pid 509] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 509] write(3, "1000", 4) = 4 [pid 509] close(3) = 0 [pid 509] write(1, "executing program\n", 18executing program ) = 18 [pid 509] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 509] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 509] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 509] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 509] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 509] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 509] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 510 attached => {parent_tid=[510]}, 88) = 510 [pid 510] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 510] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 510] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 509] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 509] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 510] <... futex resumed>) = 0 [pid 509] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 510] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 510] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 510] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 509] <... futex resumed>) = 0 [pid 509] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 509] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 509] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 509] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 509] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 509] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} => {parent_tid=[511]}, 88) = 511 [pid 509] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 509] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 509] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 511 attached [pid 511] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 511] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 511] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 511] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 509] <... futex resumed>) = 0 [pid 511] <... futex resumed>) = 1 [pid 511] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 510] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 510] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 510] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 509] exit_group(0 [pid 510] <... futex resumed>) = ? [pid 509] <... exit_group resumed>) = ? [pid 511] <... futex resumed>) = ? [pid 511] +++ exited with 0 +++ [pid 510] +++ exited with 0 +++ [pid 509] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=509, si_uid=0, si_status=0, 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 512 attached , child_tidptr=0x55558059c690) = 512 [pid 512] set_robust_list(0x55558059c6a0, 24) = 0 [pid 512] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 512] setpgid(0, 0) = 0 [pid 512] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 512] write(3, "1000", 4) = 4 [pid 512] close(3) = 0 executing program [pid 512] write(1, "executing program\n", 18) = 18 [pid 512] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 512] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 512] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 512] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 512] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 512] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 512] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 513 attached => {parent_tid=[513]}, 88) = 513 [pid 513] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 513] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 513] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 512] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 512] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 513] <... futex resumed>) = 0 [pid 513] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 512] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 513] <... socketpair resumed>[3, 4]) = 0 [pid 513] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 512] <... futex resumed>) = 0 [pid 512] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 512] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 512] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 512] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 512] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 512] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 512] <... clone3 resumed> => {parent_tid=[514]}, 88) = 514 [pid 513] <... sendmsg resumed>) = 0 [pid 512] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 512] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 512] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 514 attached [pid 514] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 514] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 514] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 514] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 512] <... futex resumed>) = 0 [pid 514] <... futex resumed>) = 1 [pid 514] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 513] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 513] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 512] exit_group(0 [pid 513] <... futex resumed>) = ? [pid 512] <... exit_group resumed>) = ? [pid 514] <... futex resumed>) = ? [pid 513] +++ exited with 0 +++ [pid 514] +++ exited with 0 +++ [pid 512] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=512, si_uid=0, si_status=0, 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 515 attached , child_tidptr=0x55558059c690) = 515 [pid 515] set_robust_list(0x55558059c6a0, 24) = 0 [pid 515] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 515] setpgid(0, 0) = 0 [pid 515] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 515] write(3, "1000", 4) = 4 [pid 515] close(3) = 0 [pid 515] write(1, "executing program\n", 18executing program ) = 18 [pid 515] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 515] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 515] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 515] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 515] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 515] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 515] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 516 attached [pid 516] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 516] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 516] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 515] <... clone3 resumed> => {parent_tid=[516]}, 88) = 516 [pid 515] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 515] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 516] <... futex resumed>) = 0 [pid 515] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 516] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 516] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 516] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 515] <... futex resumed>) = 0 [pid 515] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 515] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 515] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 515] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 515] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 515] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} => {parent_tid=[517]}, 88) = 517 [pid 516] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 515] rt_sigprocmask(SIG_SETMASK, [], [pid 516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 515] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 516] <... sendmsg resumed>) = 0 [pid 515] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000 [pid 516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 515] <... futex resumed>) = 0 [pid 515] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 517 attached [pid 517] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 517] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 517] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 517] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 515] <... futex resumed>) = 0 [pid 516] <... sendmsg resumed>) = 0 [pid 517] <... futex resumed>) = 1 [pid 516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 517] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 516] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 516] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 516] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 515] exit_group(0 [pid 516] <... futex resumed>) = ? [pid 515] <... exit_group resumed>) = ? [pid 516] +++ exited with 0 +++ [pid 517] <... futex resumed>) = ? [pid 517] +++ exited with 0 +++ [pid 515] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=515, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 518 ./strace-static-x86_64: Process 518 attached [pid 518] set_robust_list(0x55558059c6a0, 24) = 0 [pid 518] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 518] setpgid(0, 0) = 0 [pid 518] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 518] write(3, "1000", 4) = 4 [pid 518] close(3executing program ) = 0 [pid 518] write(1, "executing program\n", 18) = 18 [pid 518] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 518] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 518] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 518] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 518] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 518] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 518] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 519 attached [pid 519] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 519] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 519] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 518] <... clone3 resumed> => {parent_tid=[519]}, 88) = 519 [pid 518] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 518] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 519] <... futex resumed>) = 0 [pid 519] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 518] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 519] <... socketpair resumed>[3, 4]) = 0 [pid 519] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 519] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 518] <... futex resumed>) = 0 [pid 518] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 518] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 518] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 519] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 518] <... mmap resumed>) = 0x7f6b2567d000 [pid 518] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 518] <... mprotect resumed>) = 0 [pid 518] rt_sigprocmask(SIG_BLOCK, ~[], [pid 519] <... sendmsg resumed>) = 0 [pid 518] <... rt_sigprocmask resumed>[], 8) = 0 [pid 518] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 518] <... clone3 resumed> => {parent_tid=[520]}, 88) = 520 [pid 519] <... sendmsg resumed>) = 0 [pid 518] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 518] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 518] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 520 attached [pid 520] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 520] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 520] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 520] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 518] <... futex resumed>) = 0 [pid 520] <... futex resumed>) = 1 [pid 520] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 519] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 519] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 518] exit_group(0) = ? [pid 519] <... futex resumed>) = ? [pid 520] <... futex resumed>) = ? [pid 519] +++ exited with 0 +++ [pid 520] +++ exited with 0 +++ [pid 518] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=518, si_uid=0, si_status=0, 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 521 attached , child_tidptr=0x55558059c690) = 521 [pid 521] set_robust_list(0x55558059c6a0, 24) = 0 [pid 521] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 521] setpgid(0, 0) = 0 [pid 521] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 521] write(3, "1000", 4) = 4 [pid 521] close(3) = 0 [pid 521] write(1, "executing program\n", 18executing program ) = 18 [pid 521] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 521] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 521] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 521] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 521] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 521] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 521] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 522 attached => {parent_tid=[522]}, 88) = 522 [pid 522] set_robust_list(0x7f6b256be9a0, 24 [pid 521] rt_sigprocmask(SIG_SETMASK, [], [pid 522] <... set_robust_list resumed>) = 0 [pid 521] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 522] rt_sigprocmask(SIG_SETMASK, [], [pid 521] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000 [pid 522] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 521] <... futex resumed>) = 0 [pid 522] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 521] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 522] <... socketpair resumed>[3, 4]) = 0 [pid 522] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 521] <... futex resumed>) = 0 [pid 521] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 521] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 521] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 521] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 521] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 521] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} => {parent_tid=[523]}, 88) = 523 [pid 522] <... sendmsg resumed>) = 0 [pid 521] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 521] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 521] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 523 attached [pid 523] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 523] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 523] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 523] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 521] <... futex resumed>) = 0 [pid 522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 523] <... futex resumed>) = 1 [pid 523] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 522] <... sendmsg resumed>) = 0 [pid 522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 522] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 522] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 521] exit_group(0) = ? [pid 522] <... futex resumed>) = ? [pid 522] +++ exited with 0 +++ [pid 523] <... futex resumed>) = ? [pid 523] +++ exited with 0 +++ [pid 521] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=521, si_uid=0, si_status=0, 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 524 attached [pid 524] set_robust_list(0x55558059c6a0, 24) = 0 [pid 524] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 288] <... clone resumed>, child_tidptr=0x55558059c690) = 524 [pid 524] <... prctl resumed>) = 0 [pid 524] setpgid(0, 0) = 0 [pid 524] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 524] write(3, "1000", 4) = 4 [pid 524] close(3) = 0 [pid 524] write(1, "executing program\n", 18executing program ) = 18 [pid 524] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 524] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 524] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 524] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 524] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 524] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 524] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0} => {parent_tid=[525]}, 88) = 525 [pid 524] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 524] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 524] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 525 attached [pid 525] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 525] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 525] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 525] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 524] <... futex resumed>) = 0 [pid 524] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 524] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 524] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 524] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 524] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 524] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} => {parent_tid=[526]}, 88) = 526 [pid 525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 524] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 524] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 524] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 526 attached [pid 526] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 526] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 525] <... sendmsg resumed>) = 0 [pid 526] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 526] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 524] <... futex resumed>) = 0 [pid 525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 526] <... futex resumed>) = 1 [pid 526] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 525] <... sendmsg resumed>) = 0 [pid 525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 525] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 525] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 524] exit_group(0) = ? [pid 526] <... futex resumed>) = ? [pid 526] +++ exited with 0 +++ [pid 525] <... futex resumed>) = ? [pid 525] +++ exited with 0 +++ [pid 524] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=524, si_uid=0, si_status=0, 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 527 attached , child_tidptr=0x55558059c690) = 527 [pid 527] set_robust_list(0x55558059c6a0, 24) = 0 [pid 527] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 527] setpgid(0, 0) = 0 [pid 527] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 527] write(3, "1000", 4) = 4 [pid 527] close(3) = 0 executing program [pid 527] write(1, "executing program\n", 18) = 18 [pid 527] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 527] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 527] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 527] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 527] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 527] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 527] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 528 attached => {parent_tid=[528]}, 88) = 528 [pid 528] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 528] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 528] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 527] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 527] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 528] <... futex resumed>) = 0 [pid 528] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 527] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 528] <... socketpair resumed>[3, 4]) = 0 [pid 528] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 528] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 527] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 527] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 528] <... futex resumed>) = 0 [pid 528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 527] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 528] <... sendmsg resumed>) = 0 [pid 528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 528] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 528] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 527] <... futex resumed>) = 0 [pid 527] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 527] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 527] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 527] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0}./strace-static-x86_64: Process 529 attached => {parent_tid=[529]}, 88) = 529 [pid 529] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 529] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 529] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 527] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 527] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 529] <... futex resumed>) = 0 [pid 529] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 529] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 529] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 527] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 527] exit_group(0 [pid 528] <... futex resumed>) = ? [pid 527] <... exit_group resumed>) = ? [pid 528] +++ exited with 0 +++ [pid 529] <... futex resumed>) = ? [pid 529] +++ exited with 0 +++ [pid 527] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=527, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 530 ./strace-static-x86_64: Process 530 attached [pid 530] set_robust_list(0x55558059c6a0, 24) = 0 [pid 530] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 530] setpgid(0, 0) = 0 [pid 530] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 530] write(3, "1000", 4) = 4 [pid 530] close(3) = 0 [pid 530] write(1, "executing program\n", 18executing program ) = 18 [pid 530] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 530] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 530] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 530] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 530] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 530] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 530] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 531 attached => {parent_tid=[531]}, 88) = 531 [pid 531] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 531] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 531] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 530] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 530] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 531] <... futex resumed>) = 0 [pid 531] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 531] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 531] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 530] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 530] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 531] <... futex resumed>) = 0 [pid 531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 530] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 531] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 531] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 530] <... futex resumed>) = 0 [pid 530] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 530] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 530] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 530] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} => {parent_tid=[532]}, 88) = 532 [pid 530] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 530] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 530] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 532 attached [pid 532] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 532] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 532] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 532] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 530] <... futex resumed>) = 0 [pid 530] exit_group(0) = ? [pid 531] <... futex resumed>) = ? [pid 531] +++ exited with 0 +++ [pid 532] +++ exited with 0 +++ [pid 530] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=530, si_uid=0, si_status=0, 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 533 attached [pid 533] set_robust_list(0x55558059c6a0, 24) = 0 [pid 288] <... clone resumed>, child_tidptr=0x55558059c690) = 533 [pid 533] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 533] setpgid(0, 0) = 0 [pid 533] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 533] write(3, "1000", 4) = 4 [pid 533] close(3) = 0 executing program [pid 533] write(1, "executing program\n", 18) = 18 [pid 533] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 533] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 533] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 533] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 533] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 533] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 533] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 534 attached => {parent_tid=[534]}, 88) = 534 [pid 534] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 534] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 534] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 533] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 533] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 534] <... futex resumed>) = 0 [pid 534] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 533] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 534] <... socketpair resumed>[3, 4]) = 0 [pid 534] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 533] <... futex resumed>) = 0 [pid 533] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 533] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 533] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 533] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 533] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 533] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} => {parent_tid=[535]}, 88) = 535 [pid 534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 533] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 533] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 533] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 535 attached [pid 535] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 535] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 535] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 535] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 533] <... futex resumed>) = 0 [pid 535] <... futex resumed>) = 1 [pid 534] <... sendmsg resumed>) = 0 [pid 535] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 534] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 533] exit_group(0) = ? [pid 535] <... futex resumed>) = ? [pid 535] +++ exited with 0 +++ [pid 534] +++ exited with 0 +++ [pid 533] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=533, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 536 ./strace-static-x86_64: Process 536 attached [pid 536] set_robust_list(0x55558059c6a0, 24) = 0 [pid 536] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 536] setpgid(0, 0) = 0 [pid 536] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 536] write(3, "1000", 4) = 4 [pid 536] close(3) = 0 [pid 536] write(1, "executing program\n", 18executing program ) = 18 [pid 536] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 536] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 536] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 536] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 536] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 536] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 536] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 537 attached [pid 537] set_robust_list(0x7f6b256be9a0, 24 [pid 536] <... clone3 resumed> => {parent_tid=[537]}, 88) = 537 [pid 537] <... set_robust_list resumed>) = 0 [pid 537] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 537] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 536] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 536] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 537] <... futex resumed>) = 0 [pid 536] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 537] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 537] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 537] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 536] <... futex resumed>) = 0 [pid 536] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 537] <... futex resumed>) = 0 [pid 536] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 536] <... futex resumed>) = 0 [pid 537] <... sendmsg resumed>) = 0 [pid 537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 536] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 537] <... sendmsg resumed>) = 0 [pid 537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 536] <... mmap resumed>) = 0x7f6b2567d000 [pid 536] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 537] <... sendmsg resumed>) = 0 [pid 536] <... mprotect resumed>) = 0 [pid 537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 536] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 536] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 537] <... sendmsg resumed>) = 0 [pid 537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 536] <... clone3 resumed> => {parent_tid=[538]}, 88) = 538 [pid 536] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 537] <... sendmsg resumed>) = 0 [pid 536] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000 [pid 537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 536] <... futex resumed>) = 0 [pid 537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 536] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 537] <... sendmsg resumed>) = 0 [pid 537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 537] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 537] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 538 attached [pid 538] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 538] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 538] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 538] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 536] <... futex resumed>) = 0 [pid 536] exit_group(0) = ? [pid 537] <... futex resumed>) = ? [pid 537] +++ exited with 0 +++ [pid 538] +++ exited with 0 +++ [pid 536] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=536, si_uid=0, si_status=0, 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 539 attached , child_tidptr=0x55558059c690) = 539 [pid 539] set_robust_list(0x55558059c6a0, 24) = 0 [pid 539] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 539] setpgid(0, 0) = 0 [pid 539] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 539] write(3, "1000", 4) = 4 [pid 539] close(3) = 0 [pid 539] write(1, "executing program\n", 18executing program ) = 18 [pid 539] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 539] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 539] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 539] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 539] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 539] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 539] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 540 attached => {parent_tid=[540]}, 88) = 540 [pid 540] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 540] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 540] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 539] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 539] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 540] <... futex resumed>) = 0 [pid 540] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 539] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 540] <... socketpair resumed>[3, 4]) = 0 [pid 540] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 539] <... futex resumed>) = 0 [pid 539] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 539] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 539] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 539] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 540] <... sendmsg resumed>) = 0 [pid 539] <... mprotect resumed>) = 0 [pid 539] rt_sigprocmask(SIG_BLOCK, ~[], [pid 540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 539] <... rt_sigprocmask resumed>[], 8) = 0 [pid 539] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 540] <... sendmsg resumed>) = 0 [pid 540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 539] <... clone3 resumed> => {parent_tid=[541]}, 88) = 541 [pid 539] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 539] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 539] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 541 attached [pid 541] set_robust_list(0x7f6b2569d9a0, 24 [pid 540] <... sendmsg resumed>) = 0 [pid 541] <... set_robust_list resumed>) = 0 [pid 541] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 541] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 541] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 539] <... futex resumed>) = 0 [pid 540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 541] <... futex resumed>) = 1 [pid 541] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 540] <... sendmsg resumed>) = 0 [pid 540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 540] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 540] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 539] exit_group(0) = ? [pid 540] <... futex resumed>) = ? [pid 540] +++ exited with 0 +++ [pid 541] <... futex resumed>) = ? [pid 541] +++ exited with 0 +++ [pid 539] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=539, si_uid=0, si_status=0, 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 542 attached , child_tidptr=0x55558059c690) = 542 [pid 542] set_robust_list(0x55558059c6a0, 24) = 0 [pid 542] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 542] setpgid(0, 0) = 0 [pid 542] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 542] write(3, "1000", 4) = 4 [pid 542] close(3) = 0 [pid 542] write(1, "executing program\n", 18executing program ) = 18 [pid 542] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 542] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 542] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 542] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 542] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 542] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 542] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 543 attached [pid 543] set_robust_list(0x7f6b256be9a0, 24 [pid 542] <... clone3 resumed> => {parent_tid=[543]}, 88) = 543 [pid 543] <... set_robust_list resumed>) = 0 [pid 543] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 543] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 542] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 542] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 543] <... futex resumed>) = 0 [pid 543] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 542] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 543] <... socketpair resumed>[3, 4]) = 0 [pid 543] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 543] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 542] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 542] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 543] <... futex resumed>) = 0 [pid 543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 542] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 543] <... sendmsg resumed>) = 0 [pid 543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 542] <... futex resumed>) = 0 [pid 543] <... sendmsg resumed>) = 0 [pid 543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 542] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 542] <... mmap resumed>) = 0x7f6b2567d000 [pid 542] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 543] <... sendmsg resumed>) = 0 [pid 542] <... mprotect resumed>) = 0 [pid 543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 542] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 542] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 543] <... sendmsg resumed>) = 0 [pid 543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 542] <... clone3 resumed> => {parent_tid=[544]}, 88) = 544 [pid 542] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 543] <... sendmsg resumed>) = 0 [pid 543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 542] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 542] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 543] <... sendmsg resumed>) = 0 [pid 543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 543] 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 544 attached ) = 0 [pid 543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 544] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 543] <... sendmsg resumed>) = 0 [pid 544] rt_sigprocmask(SIG_SETMASK, [], [pid 543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 544] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 543] <... sendmsg resumed>) = 0 [pid 544] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 544] <... setsockopt resumed>) = 0 [pid 543] <... sendmsg resumed>) = 0 [pid 544] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 543] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000 [pid 544] <... futex resumed>) = 1 [pid 543] <... futex resumed>) = 0 [pid 542] <... futex resumed>) = 0 [pid 542] exit_group(0) = ? [pid 544] +++ exited with 0 +++ [pid 543] +++ exited with 0 +++ [pid 542] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=542, si_uid=0, si_status=0, 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 545 attached , child_tidptr=0x55558059c690) = 545 [pid 545] set_robust_list(0x55558059c6a0, 24) = 0 [pid 545] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 545] setpgid(0, 0) = 0 [pid 545] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 545] write(3, "1000", 4) = 4 [pid 545] close(3) = 0 executing program [pid 545] write(1, "executing program\n", 18) = 18 [pid 545] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 545] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 545] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 545] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 545] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 545] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 545] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0} => {parent_tid=[546]}, 88) = 546 [pid 545] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 545] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 545] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 546 attached [pid 546] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 546] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 546] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 546] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 545] <... futex resumed>) = 0 [pid 546] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 545] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000 [pid 546] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 545] <... futex resumed>) = 0 [pid 546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 545] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 545] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 546] <... sendmsg resumed>) = 0 [pid 545] <... mmap resumed>) = 0x7f6b2567d000 [pid 546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 545] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 546] <... sendmsg resumed>) = 0 [pid 545] <... mprotect resumed>) = 0 [pid 546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 545] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 545] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 546] <... sendmsg resumed>) = 0 [pid 546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 545] <... clone3 resumed> => {parent_tid=[547]}, 88) = 547 [pid 545] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 545] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000 [pid 546] <... sendmsg resumed>) = 0 [pid 545] <... futex resumed>) = 0 [pid 546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 545] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 546] <... sendmsg resumed>) = 0 [pid 546] 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 547 attached ) = 0 [pid 546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 547] set_robust_list(0x7f6b2569d9a0, 24 [pid 546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 547] <... set_robust_list resumed>) = 0 [pid 546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 547] rt_sigprocmask(SIG_SETMASK, [], [pid 546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 547] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 546] <... sendmsg resumed>) = 0 [pid 546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 547] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 546] <... sendmsg resumed>) = 0 [pid 546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 547] <... setsockopt resumed>) = 0 [pid 546] <... sendmsg resumed>) = 0 [pid 546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 547] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 546] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 547] <... futex resumed>) = 1 [pid 545] <... futex resumed>) = 0 [pid 546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 546] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 547] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 546] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 545] exit_group(0) = ? [pid 547] <... futex resumed>) = ? [pid 547] +++ exited with 0 +++ [pid 546] <... futex resumed>) = ? [pid 546] +++ exited with 0 +++ [pid 545] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=545, si_uid=0, si_status=0, 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 548 attached , child_tidptr=0x55558059c690) = 548 [pid 548] set_robust_list(0x55558059c6a0, 24) = 0 [pid 548] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 548] setpgid(0, 0) = 0 [pid 548] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 548] write(3, "1000", 4) = 4 [pid 548] close(3) = 0 executing program [pid 548] write(1, "executing program\n", 18) = 18 [pid 548] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 548] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 548] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 548] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 548] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 548] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 548] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 549 attached [pid 549] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 549] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 549] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 548] <... clone3 resumed> => {parent_tid=[549]}, 88) = 549 [pid 548] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 548] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 549] <... futex resumed>) = 0 [pid 549] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 548] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 549] <... socketpair resumed>[3, 4]) = 0 [pid 549] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 549] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 548] <... futex resumed>) = 0 [pid 548] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 549] <... futex resumed>) = 0 [pid 548] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 548] <... futex resumed>) = 0 [pid 548] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 549] <... sendmsg resumed>) = 0 [pid 548] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 548] <... mprotect resumed>) = 0 [pid 549] <... sendmsg resumed>) = 0 [pid 548] rt_sigprocmask(SIG_BLOCK, ~[], [pid 549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 548] <... rt_sigprocmask resumed>[], 8) = 0 [pid 548] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 549] <... sendmsg resumed>) = 0 [pid 549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 548] <... clone3 resumed> => {parent_tid=[550]}, 88) = 550 [pid 549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 548] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 548] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 548] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 549] <... sendmsg resumed>) = 0 [pid 549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 549] 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 550 attached ) = 0 [pid 549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 550] set_robust_list(0x7f6b2569d9a0, 24 [pid 549] <... sendmsg resumed>) = 0 [pid 549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 550] <... set_robust_list resumed>) = 0 [pid 549] <... sendmsg resumed>) = 0 [pid 549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 550] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 549] <... sendmsg resumed>) = 0 [pid 549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 550] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 550] <... setsockopt resumed>) = 0 [pid 549] <... sendmsg resumed>) = 0 [pid 550] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 550] <... futex resumed>) = 1 [pid 549] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 548] <... futex resumed>) = 0 [pid 549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 549] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 549] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 550] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 548] exit_group(0 [pid 550] <... futex resumed>) = 231 [pid 548] <... exit_group resumed>) = ? [pid 549] <... futex resumed>) = ? [pid 550] +++ exited with 0 +++ [pid 549] +++ exited with 0 +++ [pid 548] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=548, si_uid=0, si_status=0, 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 551 attached , child_tidptr=0x55558059c690) = 551 [pid 551] set_robust_list(0x55558059c6a0, 24) = 0 [pid 551] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 551] setpgid(0, 0) = 0 [pid 551] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 551] write(3, "1000", 4) = 4 executing program [pid 551] close(3) = 0 [pid 551] write(1, "executing program\n", 18) = 18 [pid 551] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 551] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 551] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 551] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 551] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 551] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 551] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0} => {parent_tid=[552]}, 88) = 552 ./strace-static-x86_64: Process 552 attached [pid 551] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 551] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 551] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 552] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 552] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 552] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 552] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 551] <... futex resumed>) = 0 [pid 551] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 551] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 551] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 551] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 551] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 551] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0}./strace-static-x86_64: Process 553 attached [pid 552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 551] <... clone3 resumed> => {parent_tid=[553]}, 88) = 553 [pid 552] <... sendmsg resumed>) = 0 [pid 553] set_robust_list(0x7f6b2569d9a0, 24 [pid 551] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 551] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000 [pid 552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 551] <... futex resumed>) = 0 [pid 552] <... sendmsg resumed>) = 0 [pid 551] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 553] <... set_robust_list resumed>) = 0 [pid 552] <... sendmsg resumed>) = 0 [pid 552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 553] rt_sigprocmask(SIG_SETMASK, [], [pid 552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 553] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 552] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 552] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 553] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 553] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 551] <... futex resumed>) = 0 [pid 551] exit_group(0) = ? [pid 552] <... futex resumed>) = ? [pid 553] +++ exited with 0 +++ [pid 552] +++ exited with 0 +++ [pid 551] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=551, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 554 ./strace-static-x86_64: Process 554 attached [pid 554] set_robust_list(0x55558059c6a0, 24) = 0 [pid 554] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 554] setpgid(0, 0) = 0 [pid 554] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 554] write(3, "1000", 4) = 4 [pid 554] close(3) = 0 [pid 554] write(1, "executing program\n", 18executing program ) = 18 [pid 554] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 554] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 554] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 554] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 554] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 554] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 554] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 555 attached => {parent_tid=[555]}, 88) = 555 [pid 555] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 555] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 555] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 554] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 554] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 555] <... futex resumed>) = 0 [pid 554] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 555] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 555] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 554] <... futex resumed>) = 0 [pid 555] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 554] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000 [pid 555] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 554] <... futex resumed>) = 0 [pid 555] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 554] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 555] <... sendmsg resumed>) = 0 [pid 554] <... futex resumed>) = 0 [pid 555] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 554] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 555] <... sendmsg resumed>) = 0 [pid 554] <... mmap resumed>) = 0x7f6b2567d000 [pid 555] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 554] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 555] <... sendmsg resumed>) = 0 [pid 554] <... mprotect resumed>) = 0 [pid 555] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 554] rt_sigprocmask(SIG_BLOCK, ~[], [pid 555] <... sendmsg resumed>) = 0 [pid 554] <... rt_sigprocmask resumed>[], 8) = 0 [pid 555] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 554] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 555] <... sendmsg resumed>) = 0 ./strace-static-x86_64: Process 556 attached [pid 555] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 556] set_robust_list(0x7f6b2569d9a0, 24 [pid 555] <... sendmsg resumed>) = 0 [pid 554] <... clone3 resumed> => {parent_tid=[556]}, 88) = 556 [pid 556] <... set_robust_list resumed>) = 0 [pid 555] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 554] rt_sigprocmask(SIG_SETMASK, [], [pid 556] rt_sigprocmask(SIG_SETMASK, [], [pid 555] <... sendmsg resumed>) = 0 [pid 554] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 556] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 555] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 556] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 554] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000 [pid 555] <... sendmsg resumed>) = 0 [pid 554] <... futex resumed>) = 0 [pid 556] <... setsockopt resumed>) = 0 [pid 555] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 556] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 554] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 556] <... futex resumed>) = 0 [pid 555] <... sendmsg resumed>) = 0 [pid 556] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 554] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 555] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 555] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 555] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 555] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 555] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 555] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 555] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 555] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 555] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 555] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 555] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 555] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 555] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 555] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 555] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 555] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 555] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 555] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 555] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 555] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 555] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 555] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 555] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 555] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 555] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 555] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 554] exit_group(0 [pid 555] <... futex resumed>) = ? [pid 554] <... exit_group resumed>) = ? [pid 555] +++ exited with 0 +++ [pid 556] <... futex resumed>) = ? [pid 556] +++ exited with 0 +++ [pid 554] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=554, si_uid=0, si_status=0, 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 557 attached , child_tidptr=0x55558059c690) = 557 [pid 557] set_robust_list(0x55558059c6a0, 24) = 0 [pid 557] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 557] setpgid(0, 0) = 0 [pid 557] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 557] write(3, "1000", 4) = 4 [pid 557] close(3executing program ) = 0 [pid 557] write(1, "executing program\n", 18) = 18 [pid 557] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 557] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 557] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 557] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 557] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 557] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 557] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 558 attached [pid 558] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 558] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 558] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 557] <... clone3 resumed> => {parent_tid=[558]}, 88) = 558 [pid 557] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 557] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 558] <... futex resumed>) = 0 [pid 558] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 558] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 558] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 557] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 557] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 558] <... futex resumed>) = 0 [pid 557] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 558] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 558] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 558] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 558] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 558] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 558] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 558] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 557] <... futex resumed>) = 0 [pid 558] <... sendmsg resumed>) = 0 [pid 558] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 558] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 558] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 558] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 557] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 558] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 557] <... mmap resumed>) = 0x7f6b2567d000 [pid 557] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 558] <... sendmsg resumed>) = 0 [pid 557] <... mprotect resumed>) = 0 [pid 558] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 557] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 558] <... sendmsg resumed>) = 0 [pid 558] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 557] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 558] <... sendmsg resumed>) = 0 [pid 558] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 557] <... clone3 resumed> => {parent_tid=[559]}, 88) = 559 [pid 557] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 557] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000 [pid 558] <... sendmsg resumed>) = 0 [pid 557] <... futex resumed>) = 0 [pid 558] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 557] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 558] <... sendmsg resumed>) = 0 [pid 558] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 558] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 558] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 558] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 558] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 558] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 558] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 558] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 558] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 558] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 558] 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 559 attached ) = 0 [pid 558] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 558] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 558] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 558] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 559] set_robust_list(0x7f6b2569d9a0, 24 [pid 558] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 558] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 558] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 558] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 559] <... set_robust_list resumed>) = 0 [pid 559] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 559] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 559] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 557] <... futex resumed>) = 0 [pid 557] exit_group(0) = ? [pid 559] +++ exited with 0 +++ [pid 558] <... futex resumed>) = ? [pid 558] +++ exited with 0 +++ [pid 557] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=557, si_uid=0, si_status=0, 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 560 attached , child_tidptr=0x55558059c690) = 560 [pid 560] set_robust_list(0x55558059c6a0, 24) = 0 [pid 560] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 560] setpgid(0, 0) = 0 [pid 560] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 560] write(3, "1000", 4) = 4 [pid 560] close(3) = 0 executing program [pid 560] write(1, "executing program\n", 18) = 18 [pid 560] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 560] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 560] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 560] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 560] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 560] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 560] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0} => {parent_tid=[561]}, 88) = 561 [pid 560] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 560] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 560] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 561 attached [pid 561] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 561] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 561] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 561] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000 [pid 560] <... futex resumed>) = 0 [pid 560] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 560] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 560] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 560] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 560] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 560] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 561] <... futex resumed>) = 1 ./strace-static-x86_64: Process 562 attached [pid 561] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 562] set_robust_list(0x7f6b2569d9a0, 24 [pid 560] <... clone3 resumed> => {parent_tid=[562]}, 88) = 562 [pid 560] rt_sigprocmask(SIG_SETMASK, [], [pid 562] <... set_robust_list resumed>) = 0 [pid 560] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 560] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000 [pid 562] rt_sigprocmask(SIG_SETMASK, [], [pid 560] <... futex resumed>) = 0 [pid 560] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 562] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 561] <... sendmsg resumed>) = 0 [pid 562] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 562] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 560] <... futex resumed>) = 0 [pid 561] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 562] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 561] <... sendmsg resumed>) = 0 [pid 561] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 561] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 561] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 561] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 561] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 561] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 561] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 561] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 561] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 561] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 561] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 561] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 561] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 561] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 561] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 561] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 561] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 561] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 561] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 561] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 561] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 561] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 561] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 561] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 561] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 561] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 561] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 561] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 561] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 561] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 561] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 561] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 561] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 560] exit_group(0 [pid 562] <... futex resumed>) = 231 [pid 560] <... exit_group resumed>) = ? [pid 561] <... futex resumed>) = ? [pid 561] +++ exited with 0 +++ [pid 562] +++ exited with 0 +++ [pid 560] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=560, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 563 ./strace-static-x86_64: Process 563 attached [pid 563] set_robust_list(0x55558059c6a0, 24) = 0 [pid 563] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 563] setpgid(0, 0) = 0 [pid 563] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 563] write(3, "1000", 4) = 4 [pid 563] close(3) = 0 [pid 563] write(1, "executing program\n", 18executing program ) = 18 [pid 563] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 563] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 563] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 563] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 563] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 563] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 563] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 564 attached => {parent_tid=[564]}, 88) = 564 [pid 564] set_robust_list(0x7f6b256be9a0, 24 [pid 563] rt_sigprocmask(SIG_SETMASK, [], [pid 564] <... set_robust_list resumed>) = 0 [pid 563] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 564] rt_sigprocmask(SIG_SETMASK, [], [pid 563] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000 [pid 564] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 563] <... futex resumed>) = 0 [pid 564] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 563] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 564] <... socketpair resumed>[3, 4]) = 0 [pid 564] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 563] <... futex resumed>) = 0 [pid 563] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 563] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 563] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 563] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 563] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 563] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} => {parent_tid=[565]}, 88) = 565 [pid 564] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 563] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 563] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 563] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 565 attached [pid 565] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 565] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 565] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 565] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 563] <... futex resumed>) = 0 [pid 565] <... futex resumed>) = 1 [pid 565] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 564] <... sendmsg resumed>) = 0 [pid 564] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 564] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 564] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 564] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 564] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 564] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 564] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 564] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 564] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 564] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 564] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 564] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 564] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 564] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 564] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 564] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 564] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 564] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 564] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 564] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 564] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 564] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 564] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 564] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 564] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 564] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 564] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 564] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 564] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 564] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 564] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 564] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 564] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 563] exit_group(0) = ? [pid 564] ????( [pid 565] <... futex resumed>) = ? [pid 564] <... ???? resumed>) = ? [pid 565] +++ exited with 0 +++ [pid 564] +++ exited with 0 +++ [pid 563] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=563, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 566 ./strace-static-x86_64: Process 566 attached [pid 566] set_robust_list(0x55558059c6a0, 24) = 0 [pid 566] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 566] setpgid(0, 0) = 0 [pid 566] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 566] write(3, "1000", 4) = 4 executing program [pid 566] close(3) = 0 [pid 566] write(1, "executing program\n", 18) = 18 [pid 566] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 566] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 566] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 566] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 566] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 566] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 566] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0} => {parent_tid=[567]}, 88) = 567 [pid 566] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 566] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 566] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 567 attached [pid 567] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 567] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 567] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 567] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000 [pid 566] <... futex resumed>) = 0 [pid 566] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 566] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 566] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 566] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 566] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 566] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} => {parent_tid=[568]}, 88) = 568 [pid 566] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 566] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 566] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 567] <... futex resumed>) = 1 [pid 567] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 567] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 567] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 567] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 567] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 567] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 567] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 567] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 567] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 567] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 567] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 567] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 567] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 567] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 567] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 567] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 567] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 567] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 567] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 567] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 567] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 567] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 567] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 567] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 567] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 567] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 567] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 567] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 567] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 567] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 567] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 567] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 567] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 567] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 567] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 568 attached [pid 568] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 568] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 568] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 568] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 566] <... futex resumed>) = 0 [pid 566] exit_group(0) = ? [pid 568] <... futex resumed>) = ? [pid 567] <... futex resumed>) = ? [pid 567] +++ exited with 0 +++ [pid 568] +++ exited with 0 +++ [pid 566] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=566, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 569 ./strace-static-x86_64: Process 569 attached [pid 569] set_robust_list(0x55558059c6a0, 24) = 0 [pid 569] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 569] setpgid(0, 0) = 0 [pid 569] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 569] write(3, "1000", 4) = 4 [pid 569] close(3) = 0 [pid 569] write(1, "executing program\n", 18executing program ) = 18 [pid 569] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 569] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 569] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 569] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 569] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 569] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 569] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 570 attached => {parent_tid=[570]}, 88) = 570 [pid 570] set_robust_list(0x7f6b256be9a0, 24 [pid 569] rt_sigprocmask(SIG_SETMASK, [], [pid 570] <... set_robust_list resumed>) = 0 [pid 569] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 569] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000 [pid 570] rt_sigprocmask(SIG_SETMASK, [], [pid 569] <... futex resumed>) = 0 [pid 570] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 569] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 570] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 570] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 569] <... futex resumed>) = 0 [pid 569] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000 [pid 570] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 569] <... futex resumed>) = 0 [pid 569] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 570] <... sendmsg resumed>) = 0 [pid 569] <... futex resumed>) = 0 [pid 570] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 569] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 570] <... sendmsg resumed>) = 0 [pid 569] <... mmap resumed>) = 0x7f6b2567d000 [pid 569] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 570] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 569] <... mprotect resumed>) = 0 [pid 570] <... sendmsg resumed>) = 0 [pid 569] rt_sigprocmask(SIG_BLOCK, ~[], [pid 570] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 569] <... rt_sigprocmask resumed>[], 8) = 0 [pid 570] <... sendmsg resumed>) = 0 [pid 569] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 570] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 569] <... clone3 resumed> => {parent_tid=[571]}, 88) = 571 ./strace-static-x86_64: Process 571 attached [pid 570] <... sendmsg resumed>) = 0 [pid 569] rt_sigprocmask(SIG_SETMASK, [], [pid 571] set_robust_list(0x7f6b2569d9a0, 24 [pid 570] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 571] <... set_robust_list resumed>) = 0 [pid 569] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 571] rt_sigprocmask(SIG_SETMASK, [], [pid 570] <... sendmsg resumed>) = 0 [pid 569] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000 [pid 571] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 570] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 571] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 569] <... futex resumed>) = 0 [pid 571] <... setsockopt resumed>) = 0 [pid 570] <... sendmsg resumed>) = 0 [pid 569] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 571] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 570] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 571] <... futex resumed>) = 0 [pid 569] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 571] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 570] <... sendmsg resumed>) = 0 [pid 570] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 570] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 570] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 570] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 570] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 570] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 570] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 570] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 570] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 570] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 570] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 570] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 570] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 570] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 570] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 570] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 570] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 570] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 570] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 570] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 570] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 570] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 570] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 570] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 570] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 570] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 570] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 569] exit_group(0 [pid 570] <... futex resumed>) = ? [pid 569] <... exit_group resumed>) = ? [pid 571] <... futex resumed>) = ? [pid 570] +++ exited with 0 +++ [pid 571] +++ exited with 0 +++ [pid 569] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=569, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 572 ./strace-static-x86_64: Process 572 attached [pid 572] set_robust_list(0x55558059c6a0, 24) = 0 [pid 572] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 572] setpgid(0, 0) = 0 [pid 572] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 572] write(3, "1000", 4) = 4 [pid 572] close(3) = 0 [pid 572] write(1, "executing program\n", 18executing program ) = 18 [pid 572] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 572] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 572] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 572] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 572] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 572] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 572] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 573 attached [pid 573] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 573] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 573] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 572] <... clone3 resumed> => {parent_tid=[573]}, 88) = 573 [pid 572] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 572] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 573] <... futex resumed>) = 0 [pid 573] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 572] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 573] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 573] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 572] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 572] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 573] <... futex resumed>) = 0 [pid 572] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 573] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 573] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 573] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 573] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 573] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 573] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 573] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 573] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 573] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 573] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 573] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 573] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 572] <... futex resumed>) = 0 [pid 573] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 573] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 572] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 572] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 573] <... sendmsg resumed>) = 0 [pid 572] <... mprotect resumed>) = 0 [pid 573] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 572] rt_sigprocmask(SIG_BLOCK, ~[], [pid 573] <... sendmsg resumed>) = 0 [pid 572] <... rt_sigprocmask resumed>[], 8) = 0 [pid 573] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 572] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 573] <... sendmsg resumed>) = 0 [pid 573] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 572] <... clone3 resumed> => {parent_tid=[574]}, 88) = 574 [pid 573] <... sendmsg resumed>) = 0 [pid 573] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 572] rt_sigprocmask(SIG_SETMASK, [], [pid 573] <... sendmsg resumed>) = 0 [pid 572] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 573] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 572] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 572] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 573] <... sendmsg resumed>) = 0 [pid 573] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 573] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 573] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 573] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 573] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 573] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 573] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 573] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 573] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 573] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 573] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 573] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 573] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 573] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 573] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 573] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 574 attached [pid 574] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 574] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 574] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 574] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 572] <... futex resumed>) = 0 [pid 574] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 572] exit_group(0) = ? [pid 573] <... futex resumed>) = ? [pid 573] +++ exited with 0 +++ [pid 574] <... futex resumed>) = ? [pid 574] +++ exited with 0 +++ [pid 572] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=572, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 575 ./strace-static-x86_64: Process 575 attached [pid 575] set_robust_list(0x55558059c6a0, 24) = 0 [pid 575] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 575] setpgid(0, 0) = 0 [pid 575] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 575] write(3, "1000", 4) = 4 [pid 575] close(3) = 0 executing program [pid 575] write(1, "executing program\n", 18) = 18 [pid 575] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 575] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 575] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 575] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 575] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 575] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 575] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 576 attached [pid 576] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 576] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 576] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 575] <... clone3 resumed> => {parent_tid=[576]}, 88) = 576 [pid 575] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 575] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 576] <... futex resumed>) = 0 [pid 576] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 576] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 576] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 575] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 575] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 576] <... futex resumed>) = 0 [pid 575] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 576] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 576] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 576] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 576] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 576] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 576] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 576] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 575] <... futex resumed>) = 0 [pid 575] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 576] <... sendmsg resumed>) = 0 [pid 576] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 575] <... mmap resumed>) = 0x7f6b2567d000 [pid 576] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 575] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 576] <... sendmsg resumed>) = 0 [pid 575] <... mprotect resumed>) = 0 [pid 576] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 575] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 576] <... sendmsg resumed>) = 0 [pid 576] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 575] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 576] <... sendmsg resumed>) = 0 [pid 576] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 576] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 575] <... clone3 resumed> => {parent_tid=[577]}, 88) = 577 [pid 576] <... sendmsg resumed>) = 0 [pid 576] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 575] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 576] <... sendmsg resumed>) = 0 [pid 575] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000 [pid 576] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 575] <... futex resumed>) = 0 [pid 576] <... sendmsg resumed>) = 0 [pid 576] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 575] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 576] <... sendmsg resumed>) = 0 [pid 576] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 576] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 576] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 576] 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 577 attached [pid 576] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 576] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 576] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 576] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 576] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 576] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 576] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 576] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 576] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 576] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 576] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 576] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 576] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 576] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 576] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 577] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 577] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 577] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 577] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 575] <... futex resumed>) = 0 [pid 575] exit_group(0) = ? [pid 576] <... futex resumed>) = ? [pid 576] +++ exited with 0 +++ [pid 577] +++ exited with 0 +++ [pid 575] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=575, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 578 ./strace-static-x86_64: Process 578 attached [pid 578] set_robust_list(0x55558059c6a0, 24) = 0 [pid 578] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 578] setpgid(0, 0) = 0 [pid 578] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 578] write(3, "1000", 4) = 4 [pid 578] close(3) = 0 [pid 578] write(1, "executing program\n", 18executing program ) = 18 [pid 578] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 578] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 578] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 578] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 578] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 578] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 578] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 579 attached => {parent_tid=[579]}, 88) = 579 [pid 579] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 579] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 579] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 578] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 578] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 579] <... futex resumed>) = 0 [pid 579] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 578] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 579] <... socketpair resumed>[3, 4]) = 0 [pid 579] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 579] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 578] <... futex resumed>) = 0 [pid 578] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 579] <... futex resumed>) = 0 [pid 578] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 579] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 579] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 579] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 579] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 578] <... futex resumed>) = 0 [pid 579] <... sendmsg resumed>) = 0 [pid 578] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 579] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 579] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 578] <... mmap resumed>) = 0x7f6b2567d000 [pid 579] <... sendmsg resumed>) = 0 [pid 578] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 579] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 579] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 579] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 578] <... mprotect resumed>) = 0 [pid 579] <... sendmsg resumed>) = 0 [pid 578] rt_sigprocmask(SIG_BLOCK, ~[], [pid 579] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 578] <... rt_sigprocmask resumed>[], 8) = 0 [pid 578] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} => {parent_tid=[580]}, 88) = 580 [pid 579] <... sendmsg resumed>) = 0 [pid 578] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 578] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 578] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 580 attached [pid 580] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 580] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 580] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 580] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 578] <... futex resumed>) = 0 [pid 580] <... futex resumed>) = 1 [pid 580] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 579] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 579] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 579] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 579] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 579] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 579] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 579] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 579] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 579] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 579] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 579] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 579] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 579] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 579] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 579] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 579] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 579] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 579] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 579] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 579] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 579] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 579] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 579] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 579] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 579] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 578] exit_group(0) = ? [pid 579] <... futex resumed>) = 231 [pid 580] <... futex resumed>) = ? [pid 580] +++ exited with 0 +++ [pid 579] +++ exited with 0 +++ [pid 578] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=578, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 581 ./strace-static-x86_64: Process 581 attached [pid 581] set_robust_list(0x55558059c6a0, 24) = 0 [pid 581] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 581] setpgid(0, 0) = 0 [pid 581] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 581] write(3, "1000", 4) = 4 [pid 581] close(3) = 0 [pid 581] write(1, "executing program\n", 18executing program ) = 18 [pid 581] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 581] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 581] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 581] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 581] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 581] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 581] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 582 attached => {parent_tid=[582]}, 88) = 582 [pid 582] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 582] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 582] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 581] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 581] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 582] <... futex resumed>) = 0 [pid 582] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 582] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 582] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 581] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 581] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 582] <... futex resumed>) = 0 [pid 582] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 582] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 582] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 582] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 582] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 582] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 582] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 581] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 582] <... sendmsg resumed>) = 0 [pid 582] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 582] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 582] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 582] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 582] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 582] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 582] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 582] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 582] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 582] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 582] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 582] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 582] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 582] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 582] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 582] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 582] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 582] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 582] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 582] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 582] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 582] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 582] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 582] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 582] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 582] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 582] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 582] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 581] <... futex resumed>) = 0 [pid 581] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 581] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 581] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 581] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0}./strace-static-x86_64: Process 583 attached => {parent_tid=[583]}, 88) = 583 [pid 583] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 583] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 583] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 581] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 581] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 583] <... futex resumed>) = 0 [pid 583] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 583] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 583] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 581] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 581] exit_group(0 [pid 582] <... futex resumed>) = ? [pid 581] <... exit_group resumed>) = ? [pid 582] +++ exited with 0 +++ [pid 583] <... futex resumed>) = ? [pid 583] +++ exited with 0 +++ [pid 581] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=581, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 584 ./strace-static-x86_64: Process 584 attached [pid 584] set_robust_list(0x55558059c6a0, 24) = 0 [pid 584] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 584] setpgid(0, 0) = 0 [pid 584] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 584] write(3, "1000", 4) = 4 [pid 584] close(3) = 0 [pid 584] write(1, "executing program\n", 18executing program ) = 18 [pid 584] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 584] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 584] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 584] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 584] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 584] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 584] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 585 attached => {parent_tid=[585]}, 88) = 585 [pid 585] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 585] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 585] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 584] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 584] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 585] <... futex resumed>) = 0 [pid 585] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 584] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 585] <... socketpair resumed>[3, 4]) = 0 [pid 585] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 585] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 584] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 584] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 585] <... futex resumed>) = 0 [pid 585] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 584] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 585] <... sendmsg resumed>) = 0 [pid 585] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 585] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 585] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 585] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 585] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 584] <... futex resumed>) = 0 [pid 585] <... sendmsg resumed>) = 0 [pid 585] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 585] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 584] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 585] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 584] <... mmap resumed>) = 0x7f6b2567d000 [pid 585] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 585] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 584] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 585] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 585] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 585] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 584] <... mprotect resumed>) = 0 [pid 585] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 585] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 585] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 585] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 585] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 585] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 585] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 584] rt_sigprocmask(SIG_BLOCK, ~[], [pid 585] <... sendmsg resumed>) = 0 [pid 585] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 585] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 585] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 584] <... rt_sigprocmask resumed>[], 8) = 0 [pid 585] <... sendmsg resumed>) = 0 [pid 585] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 585] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 585] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 585] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 584] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 585] <... sendmsg resumed>) = 0 [pid 585] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 585] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 584] <... clone3 resumed> => {parent_tid=[586]}, 88) = 586 [pid 585] <... sendmsg resumed>) = 0 [pid 585] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 585] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 585] 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 586 attached [pid 584] rt_sigprocmask(SIG_SETMASK, [], [pid 585] <... sendmsg resumed>) = 0 [pid 585] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 585] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 586] set_robust_list(0x7f6b2569d9a0, 24 [pid 584] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 586] <... set_robust_list resumed>) = 0 [pid 584] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 586] rt_sigprocmask(SIG_SETMASK, [], [pid 584] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 586] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 586] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 586] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 584] <... futex resumed>) = 0 [pid 584] exit_group(0) = ? [pid 585] <... futex resumed>) = ? [pid 585] +++ exited with 0 +++ [pid 586] +++ exited with 0 +++ [pid 584] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=584, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 587 ./strace-static-x86_64: Process 587 attached [pid 587] set_robust_list(0x55558059c6a0, 24) = 0 [pid 587] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 587] setpgid(0, 0) = 0 [pid 587] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 587] write(3, "1000", 4) = 4 [pid 587] close(3) = 0 [pid 587] write(1, "executing program\n", 18executing program ) = 18 [pid 587] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 587] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 587] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 587] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 587] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 587] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 587] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 588 attached => {parent_tid=[588]}, 88) = 588 [pid 588] set_robust_list(0x7f6b256be9a0, 24 [pid 587] rt_sigprocmask(SIG_SETMASK, [], [pid 588] <... set_robust_list resumed>) = 0 [pid 587] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 587] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000 [pid 588] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 587] <... futex resumed>) = 0 [pid 588] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 587] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 588] <... socketpair resumed>[3, 4]) = 0 [pid 588] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 587] <... futex resumed>) = 0 [pid 587] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 587] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 587] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 587] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 587] rt_sigprocmask(SIG_BLOCK, ~[], [pid 588] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 587] <... rt_sigprocmask resumed>[], 8) = 0 [pid 587] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 588] <... sendmsg resumed>) = 0 [pid 587] <... clone3 resumed> => {parent_tid=[589]}, 88) = 589 [pid 587] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 587] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 587] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 589 attached [pid 588] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 589] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 589] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 589] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 589] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 587] <... futex resumed>) = 0 [pid 589] <... futex resumed>) = 1 [pid 588] <... sendmsg resumed>) = 0 [pid 589] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 588] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 588] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 588] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 588] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 588] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 588] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 588] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 588] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 588] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 588] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 588] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 588] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 588] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 588] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 588] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 588] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 588] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 588] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 588] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 588] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 588] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 588] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 588] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 588] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 588] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 588] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 588] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 588] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 588] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 588] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 588] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 588] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 588] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 587] exit_group(0 [pid 588] <... futex resumed>) = ? [pid 587] <... exit_group resumed>) = ? [pid 588] +++ exited with 0 +++ [pid 589] <... futex resumed>) = ? [pid 589] +++ exited with 0 +++ [pid 587] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=587, si_uid=0, si_status=0, 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 590 attached , child_tidptr=0x55558059c690) = 590 [pid 590] set_robust_list(0x55558059c6a0, 24) = 0 [pid 590] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 590] setpgid(0, 0) = 0 [pid 590] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 590] write(3, "1000", 4) = 4 [pid 590] close(3) = 0 [pid 590] write(1, "executing program\n", 18executing program ) = 18 [pid 590] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 590] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 590] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 590] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 590] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 590] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 590] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 591 attached => {parent_tid=[591]}, 88) = 591 [pid 591] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 591] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 591] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 590] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 590] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 591] <... futex resumed>) = 0 [pid 591] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 590] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 591] <... socketpair resumed>[3, 4]) = 0 [pid 591] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000 [pid 590] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 591] <... futex resumed>) = 0 [pid 591] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 590] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 591] <... futex resumed>) = 0 [pid 590] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 591] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 591] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 591] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 591] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 591] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 590] <... futex resumed>) = 0 [pid 590] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 591] <... sendmsg resumed>) = 0 [pid 591] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 591] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 591] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 591] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 591] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 590] <... mmap resumed>) = 0x7f6b2567d000 [pid 590] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 591] <... sendmsg resumed>) = 0 [pid 590] <... mprotect resumed>) = 0 [pid 591] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 590] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 590] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 591] <... sendmsg resumed>) = 0 [pid 590] <... clone3 resumed> => {parent_tid=[592]}, 88) = 592 [pid 591] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 590] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 590] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000 [pid 591] <... sendmsg resumed>) = 0 [pid 590] <... futex resumed>) = 0 [pid 591] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 590] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 591] <... sendmsg resumed>) = 0 [pid 591] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 591] 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 592 attached ) = 0 [pid 591] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 591] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 592] set_robust_list(0x7f6b2569d9a0, 24 [pid 591] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 591] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 591] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 592] <... set_robust_list resumed>) = 0 [pid 592] rt_sigprocmask(SIG_SETMASK, [], [pid 591] <... sendmsg resumed>) = 0 [pid 592] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 591] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 592] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 591] <... sendmsg resumed>) = 0 [pid 592] <... setsockopt resumed>) = 0 [pid 591] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 592] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 591] <... sendmsg resumed>) = 0 [pid 592] <... futex resumed>) = 1 [pid 591] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 590] <... futex resumed>) = 0 [pid 592] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 591] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 591] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 591] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 591] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 591] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 591] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 591] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 591] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 591] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 591] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 591] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 591] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 591] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 590] exit_group(0) = ? [pid 592] <... futex resumed>) = ? [pid 592] +++ exited with 0 +++ [pid 591] <... futex resumed>) = ? [pid 591] +++ exited with 0 +++ [pid 590] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=590, si_uid=0, si_status=0, 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 593 attached , child_tidptr=0x55558059c690) = 593 [pid 593] set_robust_list(0x55558059c6a0, 24) = 0 [pid 593] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 593] setpgid(0, 0) = 0 [pid 593] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 593] write(3, "1000", 4) = 4 executing program [pid 593] close(3) = 0 [pid 593] write(1, "executing program\n", 18) = 18 [pid 593] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 593] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 593] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 593] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 593] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 593] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 593] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 594 attached => {parent_tid=[594]}, 88) = 594 [pid 594] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 594] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 594] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 593] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 593] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 594] <... futex resumed>) = 0 [pid 594] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 593] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 594] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 594] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 593] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 593] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 594] <... futex resumed>) = 0 [pid 594] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 593] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 594] <... sendmsg resumed>) = 0 [pid 594] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 594] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 594] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 594] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 593] <... futex resumed>) = 0 [pid 594] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 594] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 594] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 594] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 593] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 594] <... sendmsg resumed>) = 0 [pid 593] <... mmap resumed>) = 0x7f6b2567d000 [pid 594] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 593] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 594] <... sendmsg resumed>) = 0 [pid 593] rt_sigprocmask(SIG_BLOCK, ~[], [pid 594] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 593] <... rt_sigprocmask resumed>[], 8) = 0 [pid 593] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 594] <... sendmsg resumed>) = 0 [pid 594] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 593] <... clone3 resumed> => {parent_tid=[595]}, 88) = 595 [pid 594] <... sendmsg resumed>) = 0 [pid 594] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 593] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 593] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000 [pid 594] <... sendmsg resumed>) = 0 [pid 593] <... futex resumed>) = 0 [pid 594] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 593] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 594] <... sendmsg resumed>) = 0 [pid 594] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 594] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 594] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 594] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 594] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 594] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 594] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 594] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 594] 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 595 attached ) = 0 [pid 595] set_robust_list(0x7f6b2569d9a0, 24 [pid 594] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 595] <... set_robust_list resumed>) = 0 [pid 595] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 594] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 595] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 594] <... sendmsg resumed>) = 0 [pid 595] <... setsockopt resumed>) = 0 [pid 595] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 593] <... futex resumed>) = 0 [pid 594] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 595] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 594] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 594] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 594] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 594] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 594] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 594] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 594] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 594] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 594] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 593] exit_group(0) = ? [pid 595] <... futex resumed>) = ? [pid 595] +++ exited with 0 +++ [pid 594] <... futex resumed>) = ? [pid 594] +++ exited with 0 +++ [pid 593] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=593, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 596 ./strace-static-x86_64: Process 596 attached [pid 596] set_robust_list(0x55558059c6a0, 24) = 0 [pid 596] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 596] setpgid(0, 0) = 0 [pid 596] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 596] write(3, "1000", 4) = 4 [pid 596] close(3) = 0 [pid 596] write(1, "executing program\n", 18executing program ) = 18 [pid 596] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 596] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 596] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 596] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 596] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 596] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 596] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 597 attached => {parent_tid=[597]}, 88) = 597 [pid 597] set_robust_list(0x7f6b256be9a0, 24 [pid 596] rt_sigprocmask(SIG_SETMASK, [], [pid 597] <... set_robust_list resumed>) = 0 [pid 597] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 597] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 596] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 596] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 597] <... futex resumed>) = 0 [pid 597] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 596] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 597] <... socketpair resumed>[3, 4]) = 0 [pid 597] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 597] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 596] <... futex resumed>) = 0 [pid 596] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 597] <... futex resumed>) = 0 [pid 596] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 597] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 597] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 597] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 597] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 596] <... futex resumed>) = 0 [pid 597] <... sendmsg resumed>) = 0 [pid 597] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 596] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 597] <... sendmsg resumed>) = 0 [pid 597] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 597] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 597] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 597] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 597] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 596] <... mmap resumed>) = 0x7f6b2567d000 [pid 596] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 597] <... sendmsg resumed>) = 0 [pid 596] <... mprotect resumed>) = 0 [pid 597] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 596] rt_sigprocmask(SIG_BLOCK, ~[], [pid 597] <... sendmsg resumed>) = 0 [pid 596] <... rt_sigprocmask resumed>[], 8) = 0 [pid 597] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 596] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 597] <... sendmsg resumed>) = 0 [pid 597] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 596] <... clone3 resumed> => {parent_tid=[598]}, 88) = 598 [pid 596] rt_sigprocmask(SIG_SETMASK, [], [pid 597] <... sendmsg resumed>) = 0 [pid 596] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 596] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000 [pid 597] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 596] <... futex resumed>) = 0 [pid 596] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 597] <... sendmsg resumed>) = 0 [pid 597] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 597] 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 598 attached [pid 597] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 597] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 597] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 597] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 597] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 598] set_robust_list(0x7f6b2569d9a0, 24 [pid 597] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 597] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 597] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 597] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 597] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 597] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 598] <... set_robust_list resumed>) = 0 [pid 597] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 597] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 598] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 597] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 597] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 598] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 597] <... sendmsg resumed>) = 0 [pid 597] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 597] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 597] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 597] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 598] <... setsockopt resumed>) = 0 [pid 598] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 596] <... futex resumed>) = 0 [pid 596] exit_group(0) = ? [pid 597] <... futex resumed>) = ? [pid 597] +++ exited with 0 +++ [pid 598] +++ exited with 0 +++ [pid 596] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=596, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 599 ./strace-static-x86_64: Process 599 attached [pid 599] set_robust_list(0x55558059c6a0, 24) = 0 [pid 599] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 599] setpgid(0, 0) = 0 [pid 599] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 599] write(3, "1000", 4) = 4 [pid 599] close(3) = 0 executing program [pid 599] write(1, "executing program\n", 18) = 18 [pid 599] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 599] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 599] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 599] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 599] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 599] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 599] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 600 attached => {parent_tid=[600]}, 88) = 600 [pid 600] set_robust_list(0x7f6b256be9a0, 24 [pid 599] rt_sigprocmask(SIG_SETMASK, [], [pid 600] <... set_robust_list resumed>) = 0 [pid 600] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 600] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 599] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 599] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 600] <... futex resumed>) = 0 [pid 600] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 599] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 600] <... socketpair resumed>[3, 4]) = 0 [pid 600] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 599] <... futex resumed>) = 0 [pid 599] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 599] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 599] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 599] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 599] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 599] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 600] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 599] <... clone3 resumed> => {parent_tid=[601]}, 88) = 601 [pid 600] <... sendmsg resumed>) = 0 [pid 599] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 599] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 599] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 601 attached [pid 601] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 601] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 601] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 601] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 599] <... futex resumed>) = 0 [pid 600] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 601] <... futex resumed>) = 1 [pid 601] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 600] <... sendmsg resumed>) = 0 [pid 600] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 600] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 600] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 600] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 600] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 600] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 600] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 600] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 600] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 600] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 600] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 600] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 600] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 600] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 600] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 600] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 600] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 600] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 600] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 600] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 600] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 600] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 600] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 600] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 600] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 600] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 600] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 600] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 600] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 600] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 600] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 600] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 600] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 599] exit_group(0) = ? [pid 600] <... futex resumed>) = ? [pid 600] +++ exited with 0 +++ [pid 601] <... futex resumed>) = ? [pid 601] +++ exited with 0 +++ [pid 599] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=599, si_uid=0, si_status=0, 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 602 attached , child_tidptr=0x55558059c690) = 602 [pid 602] set_robust_list(0x55558059c6a0, 24) = 0 [pid 602] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 602] setpgid(0, 0) = 0 [pid 602] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 602] write(3, "1000", 4) = 4 [pid 602] close(3) = 0 executing program [pid 602] write(1, "executing program\n", 18) = 18 [pid 602] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 602] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 602] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 602] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 602] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 602] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 602] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 603 attached [pid 603] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 603] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 603] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 602] <... clone3 resumed> => {parent_tid=[603]}, 88) = 603 [pid 602] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 602] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 603] <... futex resumed>) = 0 [pid 603] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 602] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 603] <... socketpair resumed>[3, 4]) = 0 [pid 603] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 603] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 602] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 602] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 603] <... futex resumed>) = 0 [pid 602] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 603] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 603] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 603] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 603] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 603] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 603] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 603] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 603] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 603] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 602] <... futex resumed>) = 0 [pid 603] <... sendmsg resumed>) = 0 [pid 603] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 602] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 603] <... sendmsg resumed>) = 0 [pid 602] <... mmap resumed>) = 0x7f6b2567d000 [pid 603] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 602] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 603] <... sendmsg resumed>) = 0 [pid 602] <... mprotect resumed>) = 0 [pid 603] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 602] rt_sigprocmask(SIG_BLOCK, ~[], [pid 603] <... sendmsg resumed>) = 0 [pid 603] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 602] <... rt_sigprocmask resumed>[], 8) = 0 [pid 603] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 602] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 603] <... sendmsg resumed>) = 0 [pid 603] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 602] <... clone3 resumed> => {parent_tid=[604]}, 88) = 604 [pid 603] <... sendmsg resumed>) = 0 [pid 602] rt_sigprocmask(SIG_SETMASK, [], [pid 603] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 602] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 602] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 602] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 603] <... sendmsg resumed>) = 0 [pid 603] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 603] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 603] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 603] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 603] 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 604 attached ) = 0 [pid 603] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 603] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 603] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 603] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 603] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 603] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 603] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 603] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 604] set_robust_list(0x7f6b2569d9a0, 24 [pid 603] <... sendmsg resumed>) = 0 [pid 603] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 603] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 603] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 603] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 603] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 603] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 604] <... set_robust_list resumed>) = 0 [pid 604] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 604] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 604] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 604] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 602] <... futex resumed>) = 0 [pid 602] exit_group(0) = ? [pid 603] <... futex resumed>) = ? [pid 603] +++ exited with 0 +++ [pid 604] <... futex resumed>) = ? [pid 604] +++ exited with 0 +++ [pid 602] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=602, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 605 ./strace-static-x86_64: Process 605 attached [pid 605] set_robust_list(0x55558059c6a0, 24) = 0 [pid 605] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 605] setpgid(0, 0) = 0 [pid 605] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 605] write(3, "1000", 4) = 4 [pid 605] close(3executing program ) = 0 [pid 605] write(1, "executing program\n", 18) = 18 [pid 605] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 605] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 605] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 605] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 605] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 605] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 605] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 606 attached [pid 606] set_robust_list(0x7f6b256be9a0, 24 [pid 605] <... clone3 resumed> => {parent_tid=[606]}, 88) = 606 [pid 606] <... set_robust_list resumed>) = 0 [pid 605] rt_sigprocmask(SIG_SETMASK, [], [pid 606] rt_sigprocmask(SIG_SETMASK, [], [pid 605] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 606] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 605] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000 [pid 606] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 605] <... futex resumed>) = 0 [pid 605] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 606] <... socketpair resumed>[3, 4]) = 0 [pid 606] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 605] <... futex resumed>) = 0 [pid 605] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 605] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 605] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 605] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 605] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 605] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} => {parent_tid=[607]}, 88) = 607 [pid 605] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 605] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 605] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 607 attached [pid 607] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 607] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 607] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 607] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 605] <... futex resumed>) = 0 [pid 607] <... futex resumed>) = 1 [pid 607] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 606] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 606] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 606] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 606] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 606] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 606] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 606] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 606] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 606] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 606] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 606] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 606] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 606] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 606] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 606] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 606] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 606] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 606] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 606] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 606] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 606] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 606] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 606] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 606] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 606] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 606] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 606] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 606] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 606] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 606] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 606] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 606] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 606] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 606] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 606] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 605] exit_group(0) = ? [pid 606] <... futex resumed>) = ? [pid 607] <... futex resumed>) = ? [pid 607] +++ exited with 0 +++ [pid 606] +++ exited with 0 +++ [pid 605] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=605, si_uid=0, si_status=0, 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 608 attached , child_tidptr=0x55558059c690) = 608 [pid 608] set_robust_list(0x55558059c6a0, 24) = 0 [pid 608] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 608] setpgid(0, 0) = 0 [pid 608] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 608] write(3, "1000", 4) = 4 [pid 608] close(3) = 0 executing program [pid 608] write(1, "executing program\n", 18) = 18 [pid 608] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 608] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 608] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 608] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 608] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 608] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 608] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 609 attached => {parent_tid=[609]}, 88) = 609 [pid 609] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 609] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 609] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 608] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 608] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 609] <... futex resumed>) = 0 [pid 609] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 608] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 609] <... socketpair resumed>[3, 4]) = 0 [pid 609] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 609] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 608] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 608] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 609] <... futex resumed>) = 0 [pid 609] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 608] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 609] <... sendmsg resumed>) = 0 [pid 609] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 608] <... futex resumed>) = 0 [pid 609] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 608] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 608] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 608] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 608] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} => {parent_tid=[610]}, 88) = 610 ./strace-static-x86_64: Process 610 attached [pid 608] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 608] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 608] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 609] <... sendmsg resumed>) = 0 [pid 609] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 609] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 609] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 609] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 609] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 609] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 610] set_robust_list(0x7f6b2569d9a0, 24 [pid 609] <... sendmsg resumed>) = 0 [pid 609] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 609] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 609] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 609] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 609] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 610] <... set_robust_list resumed>) = 0 [pid 609] <... sendmsg resumed>) = 0 [pid 609] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 609] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 609] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 609] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 609] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 609] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 609] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 609] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 610] rt_sigprocmask(SIG_SETMASK, [], [pid 609] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 610] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 609] <... sendmsg resumed>) = 0 [pid 609] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 609] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 609] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 610] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 609] <... sendmsg resumed>) = 0 [pid 610] <... setsockopt resumed>) = 0 [pid 609] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 609] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 609] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 609] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 609] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 609] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 609] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 609] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 609] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 610] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 608] <... futex resumed>) = 0 [pid 608] exit_group(0) = ? [pid 610] +++ exited with 0 +++ [pid 609] <... futex resumed>) = ? [pid 609] +++ exited with 0 +++ [pid 608] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=608, si_uid=0, si_status=0, 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 611 attached , child_tidptr=0x55558059c690) = 611 [pid 611] set_robust_list(0x55558059c6a0, 24) = 0 [pid 611] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 611] setpgid(0, 0) = 0 [pid 611] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 611] write(3, "1000", 4) = 4 [pid 611] close(3) = 0 [pid 611] write(1, "executing program\n", 18executing program ) = 18 [pid 611] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 611] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 611] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 611] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 611] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 611] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 611] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 612 attached => {parent_tid=[612]}, 88) = 612 [pid 612] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 612] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 612] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 611] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 611] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 612] <... futex resumed>) = 0 [pid 611] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 612] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 612] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 611] <... futex resumed>) = 0 [pid 612] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 611] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 611] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 611] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 611] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 612] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 612] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 611] <... mprotect resumed>) = 0 [pid 612] <... sendmsg resumed>) = 0 [pid 612] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 611] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 611] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} => {parent_tid=[613]}, 88) = 613 [pid 612] <... sendmsg resumed>) = 0 [pid 611] rt_sigprocmask(SIG_SETMASK, [], [pid 612] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 611] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 611] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 611] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 613 attached [pid 613] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 613] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 613] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 613] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 611] <... futex resumed>) = 0 [pid 612] <... sendmsg resumed>) = 0 [pid 613] <... futex resumed>) = 1 [pid 612] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 613] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 612] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 612] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 612] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 612] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 612] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 612] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 612] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 612] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 612] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 612] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 612] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 612] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 612] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 612] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 612] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 612] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 612] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 612] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 612] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 612] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 612] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 612] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 612] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 612] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 612] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 612] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 612] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 612] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 612] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 612] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 612] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 612] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 611] exit_group(0 [pid 612] <... futex resumed>) = ? [pid 611] <... exit_group resumed>) = ? [pid 612] +++ exited with 0 +++ [pid 613] <... futex resumed>) = ? [pid 613] +++ exited with 0 +++ [pid 611] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=611, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 614 ./strace-static-x86_64: Process 614 attached [pid 614] set_robust_list(0x55558059c6a0, 24) = 0 [pid 614] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 614] setpgid(0, 0) = 0 [pid 614] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 614] write(3, "1000", 4) = 4 [pid 614] close(3) = 0 [pid 614] write(1, "executing program\n", 18executing program ) = 18 [pid 614] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 614] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 614] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 614] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 614] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 614] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 614] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 615 attached => {parent_tid=[615]}, 88) = 615 [pid 615] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 615] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 615] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 614] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 614] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 615] <... futex resumed>) = 0 [pid 615] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 615] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 615] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 614] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 614] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000 [pid 615] <... futex resumed>) = 0 [pid 614] <... futex resumed>) = 1 [pid 615] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 615] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 615] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 615] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 615] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 615] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 615] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 615] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 615] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 614] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 615] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 615] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 615] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 615] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 615] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 615] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 614] <... futex resumed>) = 0 [pid 615] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 615] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 615] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 614] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 615] <... sendmsg resumed>) = 0 [pid 615] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 615] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 615] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 614] <... mmap resumed>) = 0x7f6b2567d000 [pid 615] <... sendmsg resumed>) = 0 [pid 615] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 615] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 615] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 615] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 615] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 615] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 615] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 615] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 615] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 615] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 614] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 615] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 615] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 615] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 615] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 614] <... mprotect resumed>) = 0 [pid 614] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 614] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0}./strace-static-x86_64: Process 616 attached => {parent_tid=[616]}, 88) = 616 [pid 616] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 616] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 616] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 614] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 614] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 616] <... futex resumed>) = 0 [pid 616] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 616] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 616] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 614] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 614] exit_group(0 [pid 615] <... futex resumed>) = ? [pid 614] <... exit_group resumed>) = ? [pid 615] +++ exited with 0 +++ [pid 616] <... futex resumed>) = ? [pid 616] +++ exited with 0 +++ [pid 614] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=614, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 617 ./strace-static-x86_64: Process 617 attached [pid 617] set_robust_list(0x55558059c6a0, 24) = 0 [pid 617] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 617] setpgid(0, 0) = 0 [pid 617] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 617] write(3, "1000", 4executing program ) = 4 [pid 617] close(3) = 0 [pid 617] write(1, "executing program\n", 18) = 18 [pid 617] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 617] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 617] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 617] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 617] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 617] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 617] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 618 attached [pid 618] set_robust_list(0x7f6b256be9a0, 24 [pid 617] <... clone3 resumed> => {parent_tid=[618]}, 88) = 618 [pid 618] <... set_robust_list resumed>) = 0 [pid 617] rt_sigprocmask(SIG_SETMASK, [], [pid 618] rt_sigprocmask(SIG_SETMASK, [], [pid 617] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 618] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 617] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000 [pid 618] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 617] <... futex resumed>) = 0 [pid 617] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 618] <... socketpair resumed>[3, 4]) = 0 [pid 618] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 617] <... futex resumed>) = 0 [pid 617] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 617] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 617] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 617] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 617] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 617] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} => {parent_tid=[619]}, 88) = 619 [pid 617] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 617] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 617] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 619 attached [pid 619] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 619] rt_sigprocmask(SIG_SETMASK, [], [pid 618] <... sendmsg resumed>) = 0 [pid 619] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 619] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 619] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 617] <... futex resumed>) = 0 [pid 619] <... futex resumed>) = 1 [pid 618] <... sendmsg resumed>) = 0 [pid 619] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 618] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 618] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 617] exit_group(0) = ? [pid 618] <... futex resumed>) = ? [pid 618] +++ exited with 0 +++ [pid 619] <... futex resumed>) = ? [pid 619] +++ exited with 0 +++ [pid 617] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=617, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 620 ./strace-static-x86_64: Process 620 attached [pid 620] set_robust_list(0x55558059c6a0, 24) = 0 [pid 620] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 620] setpgid(0, 0) = 0 [pid 620] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 620] write(3, "1000", 4) = 4 [pid 620] close(3) = 0 [pid 620] write(1, "executing program\n", 18executing program ) = 18 [pid 620] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 620] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 620] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 620] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 620] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 620] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 620] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 621 attached => {parent_tid=[621]}, 88) = 621 [pid 621] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 621] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 621] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 620] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 620] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 621] <... futex resumed>) = 0 [pid 621] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 620] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 621] <... socketpair resumed>[3, 4]) = 0 [pid 621] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 621] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 620] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 620] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 621] <... futex resumed>) = 0 [pid 620] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 620] <... futex resumed>) = 0 [pid 621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 620] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 621] <... sendmsg resumed>) = 0 [pid 621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 620] <... mmap resumed>) = 0x7f6b2567d000 [pid 621] <... sendmsg resumed>) = 0 [pid 620] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 620] <... mprotect resumed>) = 0 [pid 621] <... sendmsg resumed>) = 0 [pid 620] rt_sigprocmask(SIG_BLOCK, ~[], [pid 621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 620] <... rt_sigprocmask resumed>[], 8) = 0 [pid 620] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 621] <... sendmsg resumed>) = 0 [pid 621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 620] <... clone3 resumed> => {parent_tid=[622]}, 88) = 622 [pid 621] <... sendmsg resumed>) = 0 [pid 620] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 622 attached NULL, 8) = 0 [pid 620] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 620] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 622] set_robust_list(0x7f6b2569d9a0, 24 [pid 621] <... sendmsg resumed>) = 0 [pid 621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 622] <... set_robust_list resumed>) = 0 [pid 621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 622] rt_sigprocmask(SIG_SETMASK, [], [pid 621] <... sendmsg resumed>) = 0 [pid 621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 622] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 621] <... sendmsg resumed>) = 0 [pid 621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 622] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 622] <... setsockopt resumed>) = 0 [pid 621] <... sendmsg resumed>) = 0 [pid 622] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 620] <... futex resumed>) = 0 [pid 622] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 621] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 621] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 620] exit_group(0) = ? [pid 622] <... futex resumed>) = ? [pid 622] +++ exited with 0 +++ [pid 621] <... futex resumed>) = ? [pid 621] +++ exited with 0 +++ [pid 620] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=620, si_uid=0, si_status=0, 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 623 attached , child_tidptr=0x55558059c690) = 623 [pid 623] set_robust_list(0x55558059c6a0, 24) = 0 [pid 623] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 623] setpgid(0, 0) = 0 [pid 623] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 623] write(3, "1000", 4) = 4 [pid 623] close(3) = 0 executing program [pid 623] write(1, "executing program\n", 18) = 18 [pid 623] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 623] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 623] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 623] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 623] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 623] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 623] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 624 attached [pid 624] set_robust_list(0x7f6b256be9a0, 24 [pid 623] <... clone3 resumed> => {parent_tid=[624]}, 88) = 624 [pid 624] <... set_robust_list resumed>) = 0 [pid 623] rt_sigprocmask(SIG_SETMASK, [], [pid 624] rt_sigprocmask(SIG_SETMASK, [], [pid 623] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 624] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 623] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 624] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 623] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 624] <... socketpair resumed>[3, 4]) = 0 [pid 624] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 623] <... futex resumed>) = 0 [pid 623] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 623] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 623] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 623] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 623] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 623] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} => {parent_tid=[625]}, 88) = 625 [pid 624] <... sendmsg resumed>) = 0 [pid 623] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 623] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 623] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 625 attached [pid 625] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 625] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 625] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 625] <... setsockopt resumed>) = 0 [pid 625] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 623] <... futex resumed>) = 0 [pid 625] <... futex resumed>) = 1 [pid 625] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 624] <... sendmsg resumed>) = 0 [pid 624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 624] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 624] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 623] exit_group(0) = ? [pid 625] <... futex resumed>) = ? [pid 625] +++ exited with 0 +++ [pid 624] <... futex resumed>) = ? [pid 624] +++ exited with 0 +++ [pid 623] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=623, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 626 ./strace-static-x86_64: Process 626 attached [pid 626] set_robust_list(0x55558059c6a0, 24) = 0 [pid 626] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 626] setpgid(0, 0) = 0 [pid 626] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 626] write(3, "1000", 4) = 4 [pid 626] close(3) = 0 [pid 626] write(1, "executing program\n", 18executing program ) = 18 [pid 626] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 626] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 626] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 626] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 626] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 626] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 626] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 627 attached [pid 627] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 627] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 626] <... clone3 resumed> => {parent_tid=[627]}, 88) = 627 [pid 626] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 626] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000 [pid 627] <... futex resumed>) = 0 [pid 626] <... futex resumed>) = 1 [pid 627] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 626] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 627] <... socketpair resumed>[3, 4]) = 0 [pid 627] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 627] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 626] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 626] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 627] <... futex resumed>) = 0 [pid 627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 626] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 627] <... sendmsg resumed>) = 0 [pid 627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 626] <... futex resumed>) = 0 [pid 627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 626] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 627] <... sendmsg resumed>) = 0 [pid 626] <... mmap resumed>) = 0x7f6b2567d000 [pid 627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 626] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 626] <... mprotect resumed>) = 0 [pid 627] <... sendmsg resumed>) = 0 [pid 626] rt_sigprocmask(SIG_BLOCK, ~[], [pid 627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 626] <... rt_sigprocmask resumed>[], 8) = 0 [pid 626] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 627] <... sendmsg resumed>) = 0 [pid 627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 626] <... clone3 resumed> => {parent_tid=[628]}, 88) = 628 [pid 626] rt_sigprocmask(SIG_SETMASK, [], [pid 627] <... sendmsg resumed>) = 0 [pid 626] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 626] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 626] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 627] <... sendmsg resumed>) = 0 [pid 627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 627] 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 628 attached [pid 627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 628] set_robust_list(0x7f6b2569d9a0, 24 [pid 627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 628] <... set_robust_list resumed>) = 0 [pid 627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 628] rt_sigprocmask(SIG_SETMASK, [], [pid 627] <... sendmsg resumed>) = 0 [pid 627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 628] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 628] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 627] <... sendmsg resumed>) = 0 [pid 627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 628] <... setsockopt resumed>) = 0 [pid 627] <... sendmsg resumed>) = 0 [pid 628] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 627] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000 [pid 628] <... futex resumed>) = 1 [pid 626] <... futex resumed>) = 0 [pid 627] <... futex resumed>) = 0 [pid 626] exit_group(0) = ? [pid 627] +++ exited with 0 +++ [pid 628] +++ exited with 0 +++ [pid 626] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=626, si_uid=0, si_status=0, 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 629 attached , child_tidptr=0x55558059c690) = 629 [pid 629] set_robust_list(0x55558059c6a0, 24) = 0 [pid 629] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 629] setpgid(0, 0) = 0 [pid 629] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 629] write(3, "1000", 4executing program ) = 4 [pid 629] close(3) = 0 [pid 629] write(1, "executing program\n", 18) = 18 [pid 629] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 629] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 629] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 629] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 629] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 629] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 629] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 630 attached [pid 630] set_robust_list(0x7f6b256be9a0, 24 [pid 629] <... clone3 resumed> => {parent_tid=[630]}, 88) = 630 [pid 630] <... set_robust_list resumed>) = 0 [pid 629] rt_sigprocmask(SIG_SETMASK, [], [pid 630] rt_sigprocmask(SIG_SETMASK, [], [pid 629] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 630] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 629] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000 [pid 630] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 629] <... futex resumed>) = 0 [pid 629] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 630] <... socketpair resumed>[3, 4]) = 0 [pid 630] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 629] <... futex resumed>) = 0 [pid 629] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 629] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 629] <... futex resumed>) = 0 [pid 629] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 630] <... sendmsg resumed>) = 0 [pid 629] <... mmap resumed>) = 0x7f6b2567d000 [pid 629] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 629] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 629] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} => {parent_tid=[631]}, 88) = 631 [pid 630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 629] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 629] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 629] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 631 attached [pid 631] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 631] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 631] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 631] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 629] <... futex resumed>) = 0 [pid 631] <... futex resumed>) = 1 [pid 630] <... sendmsg resumed>) = 0 [pid 631] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 630] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 630] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 629] exit_group(0) = ? [pid 630] <... futex resumed>) = ? [pid 630] +++ exited with 0 +++ [pid 631] <... futex resumed>) = ? [pid 631] +++ exited with 0 +++ [pid 629] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=629, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 632 ./strace-static-x86_64: Process 632 attached [pid 632] set_robust_list(0x55558059c6a0, 24) = 0 [pid 632] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 632] setpgid(0, 0) = 0 [pid 632] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 632] write(3, "1000", 4executing program ) = 4 [pid 632] close(3) = 0 [pid 632] write(1, "executing program\n", 18) = 18 [pid 632] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 632] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 632] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 632] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 632] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 632] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 632] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 633 attached => {parent_tid=[633]}, 88) = 633 [pid 633] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 633] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 633] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 632] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 632] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 633] <... futex resumed>) = 0 [pid 632] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 633] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 633] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 632] <... futex resumed>) = 0 [pid 632] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 632] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 632] <... futex resumed>) = 0 [pid 632] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 632] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 632] rt_sigprocmask(SIG_BLOCK, ~[], [pid 633] <... sendmsg resumed>) = 0 [pid 632] <... rt_sigprocmask resumed>[], 8) = 0 [pid 632] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} => {parent_tid=[634]}, 88) = 634 [pid 632] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 632] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 632] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 634 attached [pid 634] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 634] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 634] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 634] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 632] <... futex resumed>) = 0 [pid 634] <... futex resumed>) = 1 [pid 633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 634] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 633] <... sendmsg resumed>) = 0 [pid 633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 633] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 633] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 632] exit_group(0 [pid 634] <... futex resumed>) = ? [pid 632] <... exit_group resumed>) = ? [pid 633] <... futex resumed>) = ? [pid 633] +++ exited with 0 +++ [pid 634] +++ exited with 0 +++ [pid 632] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=632, si_uid=0, si_status=0, 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 635 attached , child_tidptr=0x55558059c690) = 635 [pid 635] set_robust_list(0x55558059c6a0, 24) = 0 [pid 635] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 635] setpgid(0, 0) = 0 [pid 635] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 635] write(3, "1000", 4) = 4 [pid 635] close(3) = 0 executing program [pid 635] write(1, "executing program\n", 18) = 18 [pid 635] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 635] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 635] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 635] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 635] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 635] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 635] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 636 attached => {parent_tid=[636]}, 88) = 636 [pid 636] set_robust_list(0x7f6b256be9a0, 24 [pid 635] rt_sigprocmask(SIG_SETMASK, [], [pid 636] <... set_robust_list resumed>) = 0 [pid 636] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 636] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 635] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 635] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 636] <... futex resumed>) = 0 [pid 635] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 636] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 636] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 636] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 635] <... futex resumed>) = 0 [pid 635] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 635] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 635] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 635] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 635] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 635] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 636] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 635] <... clone3 resumed> => {parent_tid=[637]}, 88) = 637 [pid 635] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 635] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 635] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 637 attached [pid 637] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 637] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 637] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 637] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 635] <... futex resumed>) = 0 [pid 637] <... futex resumed>) = 1 [pid 636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 637] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 636] <... sendmsg resumed>) = 0 [pid 636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 636] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 636] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 635] exit_group(0 [pid 636] <... futex resumed>) = ? [pid 635] <... exit_group resumed>) = ? [pid 637] <... futex resumed>) = ? [pid 636] +++ exited with 0 +++ [pid 637] +++ exited with 0 +++ [pid 635] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=635, si_uid=0, si_status=0, 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 638 attached , child_tidptr=0x55558059c690) = 638 [pid 638] set_robust_list(0x55558059c6a0, 24) = 0 [pid 638] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 638] setpgid(0, 0) = 0 [pid 638] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 638] write(3, "1000", 4) = 4 [pid 638] close(3) = 0 executing program [pid 638] write(1, "executing program\n", 18) = 18 [pid 638] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 638] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 638] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 638] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 638] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 638] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 638] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 639 attached [pid 639] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 639] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 639] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 638] <... clone3 resumed> => {parent_tid=[639]}, 88) = 639 [pid 638] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 638] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 639] <... futex resumed>) = 0 [pid 639] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 638] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 639] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 639] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 638] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 638] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 639] <... futex resumed>) = 0 [pid 638] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 638] <... futex resumed>) = 0 [pid 639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 638] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 638] <... mmap resumed>) = 0x7f6b2567d000 [pid 639] <... sendmsg resumed>) = 0 [pid 639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 638] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 639] <... sendmsg resumed>) = 0 [pid 638] <... mprotect resumed>) = 0 [pid 639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 638] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 639] <... sendmsg resumed>) = 0 [pid 638] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 638] <... clone3 resumed> => {parent_tid=[640]}, 88) = 640 [pid 639] <... sendmsg resumed>) = 0 [pid 639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 638] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 638] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000 [pid 639] <... sendmsg resumed>) = 0 [pid 638] <... futex resumed>) = 0 [pid 638] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 639] 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 640 attached ) = 0 [pid 639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 639] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 639] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 640] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 640] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 640] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 640] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 638] <... futex resumed>) = 0 [pid 638] exit_group(0) = ? [pid 639] <... futex resumed>) = ? [pid 639] +++ exited with 0 +++ [pid 640] +++ exited with 0 +++ [pid 638] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=638, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 641 ./strace-static-x86_64: Process 641 attached [pid 641] set_robust_list(0x55558059c6a0, 24) = 0 [pid 641] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 641] setpgid(0, 0) = 0 [pid 641] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 641] write(3, "1000", 4) = 4 executing program [pid 641] close(3) = 0 [pid 641] write(1, "executing program\n", 18) = 18 [pid 641] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 641] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 641] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 641] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 641] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 641] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 641] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0} => {parent_tid=[642]}, 88) = 642 [pid 641] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 641] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 641] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 642 attached [pid 642] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 642] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 642] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 642] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000 [pid 641] <... futex resumed>) = 0 [pid 641] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 641] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 641] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 641] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 641] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 641] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} => {parent_tid=[643]}, 88) = 643 [pid 641] rt_sigprocmask(SIG_SETMASK, [], [pid 642] <... futex resumed>) = 1 [pid 641] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 641] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 641] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 643 attached [pid 643] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 643] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 643] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 643] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 641] <... futex resumed>) = 0 [pid 643] <... futex resumed>) = 1 [pid 642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 643] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 642] <... sendmsg resumed>) = 0 [pid 642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 642] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 642] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 641] exit_group(0) = ? [pid 643] <... futex resumed>) = ? [pid 643] +++ exited with 0 +++ [pid 642] <... futex resumed>) = ? [pid 642] +++ exited with 0 +++ [pid 641] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=641, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 644 ./strace-static-x86_64: Process 644 attached [pid 644] set_robust_list(0x55558059c6a0, 24) = 0 [pid 644] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 644] setpgid(0, 0) = 0 [pid 644] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 644] write(3, "1000", 4) = 4 [pid 644] close(3) = 0 [pid 644] write(1, "executing program\n", 18executing program ) = 18 [pid 644] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 644] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 644] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 644] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 644] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 644] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 644] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 645 attached => {parent_tid=[645]}, 88) = 645 [pid 645] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 645] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 645] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 644] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 644] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 645] <... futex resumed>) = 0 [pid 645] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 644] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 645] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 645] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 644] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 644] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 645] <... futex resumed>) = 0 [pid 645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 644] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 645] <... sendmsg resumed>) = 0 [pid 645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 644] <... futex resumed>) = 0 [pid 645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 644] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 644] <... mmap resumed>) = 0x7f6b2567d000 [pid 645] <... sendmsg resumed>) = 0 [pid 645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 644] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 645] <... sendmsg resumed>) = 0 [pid 645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 644] <... mprotect resumed>) = 0 [pid 645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 644] rt_sigprocmask(SIG_BLOCK, ~[], [pid 645] <... sendmsg resumed>) = 0 [pid 645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 644] <... rt_sigprocmask resumed>[], 8) = 0 [pid 645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 644] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 645] 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 646 attached [pid 644] <... clone3 resumed> => {parent_tid=[646]}, 88) = 646 [pid 646] set_robust_list(0x7f6b2569d9a0, 24 [pid 645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 644] rt_sigprocmask(SIG_SETMASK, [], [pid 645] <... sendmsg resumed>) = 0 [pid 645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 646] <... set_robust_list resumed>) = 0 [pid 644] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 646] rt_sigprocmask(SIG_SETMASK, [], [pid 644] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000 [pid 645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 646] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 644] <... futex resumed>) = 0 [pid 645] <... sendmsg resumed>) = 0 [pid 644] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 646] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 646] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 644] <... futex resumed>) = 0 [pid 646] <... futex resumed>) = 1 [pid 646] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 645] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 645] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 644] exit_group(0 [pid 646] <... futex resumed>) = ? [pid 645] <... futex resumed>) = ? [pid 644] <... exit_group resumed>) = ? [pid 646] +++ exited with 0 +++ [pid 645] +++ exited with 0 +++ [pid 644] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=644, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 647 ./strace-static-x86_64: Process 647 attached [pid 647] set_robust_list(0x55558059c6a0, 24) = 0 [pid 647] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 647] setpgid(0, 0) = 0 [pid 647] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 647] write(3, "1000", 4) = 4 [pid 647] close(3) = 0 [pid 647] write(1, "executing program\n", 18executing program ) = 18 [pid 647] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 647] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 647] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 647] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 647] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 647] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 647] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 648 attached => {parent_tid=[648]}, 88) = 648 [pid 648] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 648] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 648] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 647] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 647] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 648] <... futex resumed>) = 0 [pid 648] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 648] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 648] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 647] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 647] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 648] <... futex resumed>) = 0 [pid 647] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 647] <... futex resumed>) = 0 [pid 648] <... sendmsg resumed>) = 0 [pid 648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 647] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 648] <... sendmsg resumed>) = 0 [pid 648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 647] <... mmap resumed>) = 0x7f6b2567d000 [pid 648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 647] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 648] <... sendmsg resumed>) = 0 [pid 647] <... mprotect resumed>) = 0 [pid 648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 647] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 647] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 648] <... sendmsg resumed>) = 0 [pid 648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 647] <... clone3 resumed> => {parent_tid=[649]}, 88) = 649 [pid 647] rt_sigprocmask(SIG_SETMASK, [], [pid 648] <... sendmsg resumed>) = 0 [pid 647] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 647] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 648] <... sendmsg resumed>) = 0 [pid 647] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 649 attached [pid 649] set_robust_list(0x7f6b2569d9a0, 24 [pid 648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 648] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 648] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 649] <... set_robust_list resumed>) = 0 [pid 649] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 649] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 649] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 647] <... futex resumed>) = 0 [pid 649] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 647] exit_group(0) = ? [pid 648] <... futex resumed>) = ? [pid 649] <... futex resumed>) = 231 [pid 648] +++ exited with 0 +++ [pid 649] +++ exited with 0 +++ [pid 647] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=647, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 650 ./strace-static-x86_64: Process 650 attached [pid 650] set_robust_list(0x55558059c6a0, 24) = 0 [pid 650] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 650] setpgid(0, 0) = 0 [pid 650] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 650] write(3, "1000", 4) = 4 [pid 650] close(3executing program ) = 0 [pid 650] write(1, "executing program\n", 18) = 18 [pid 650] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 650] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 650] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 650] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 650] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 650] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 650] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 651 attached => {parent_tid=[651]}, 88) = 651 [pid 651] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 651] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 651] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 650] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 650] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 651] <... futex resumed>) = 0 [pid 651] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 651] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 651] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 650] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 650] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 651] <... futex resumed>) = 0 [pid 651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 650] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 650] <... futex resumed>) = 0 [pid 651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 650] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 650] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 651] <... sendmsg resumed>) = 0 [pid 650] <... mprotect resumed>) = 0 [pid 651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 650] rt_sigprocmask(SIG_BLOCK, ~[], [pid 651] <... sendmsg resumed>) = 0 [pid 650] <... rt_sigprocmask resumed>[], 8) = 0 [pid 651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 650] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 651] <... sendmsg resumed>) = 0 [pid 651] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 651] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 650] <... clone3 resumed> => {parent_tid=[652]}, 88) = 652 [pid 650] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 650] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 650] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 652 attached [pid 652] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 652] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 652] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 652] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 650] <... futex resumed>) = 0 [pid 652] <... futex resumed>) = 1 [pid 650] exit_group(0) = ? [pid 651] <... futex resumed>) = ? [pid 651] +++ exited with 0 +++ [pid 652] +++ exited with 0 +++ [pid 650] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=650, si_uid=0, si_status=0, 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 653 attached , child_tidptr=0x55558059c690) = 653 [pid 653] set_robust_list(0x55558059c6a0, 24) = 0 [pid 653] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 653] setpgid(0, 0) = 0 [pid 653] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 653] write(3, "1000", 4) = 4 [pid 653] close(3) = 0 [pid 653] write(1, "executing program\n", 18executing program ) = 18 [pid 653] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 653] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 653] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 653] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 653] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 653] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 653] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 654 attached => {parent_tid=[654]}, 88) = 654 [pid 654] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 654] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 654] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 653] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 653] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 654] <... futex resumed>) = 0 [pid 654] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 653] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 654] <... socketpair resumed>[3, 4]) = 0 [pid 654] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 654] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 653] <... futex resumed>) = 0 [pid 653] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 654] <... futex resumed>) = 0 [pid 654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 653] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 653] <... futex resumed>) = 0 [pid 654] <... sendmsg resumed>) = 0 [pid 654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 653] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 654] <... sendmsg resumed>) = 0 [pid 654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 653] <... mmap resumed>) = 0x7f6b2567d000 [pid 654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 653] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 654] <... sendmsg resumed>) = 0 [pid 654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 653] <... mprotect resumed>) = 0 [pid 654] <... sendmsg resumed>) = 0 [pid 654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 654] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 654] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 653] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 653] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0}./strace-static-x86_64: Process 655 attached => {parent_tid=[655]}, 88) = 655 [pid 655] set_robust_list(0x7f6b2569d9a0, 24 [pid 653] rt_sigprocmask(SIG_SETMASK, [], [pid 655] <... set_robust_list resumed>) = 0 [pid 653] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 655] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 655] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 653] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 655] <... setsockopt resumed>) = 0 [pid 653] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 655] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 653] <... futex resumed>) = 0 [pid 655] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 653] exit_group(0) = ? [pid 654] <... futex resumed>) = ? [pid 654] +++ exited with 0 +++ [pid 655] <... futex resumed>) = ? [pid 655] +++ exited with 0 +++ [pid 653] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=653, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 656 ./strace-static-x86_64: Process 656 attached [pid 656] set_robust_list(0x55558059c6a0, 24) = 0 [pid 656] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 656] setpgid(0, 0) = 0 [pid 656] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 656] write(3, "1000", 4) = 4 [pid 656] close(3) = 0 [pid 656] write(1, "executing program\n", 18executing program ) = 18 [pid 656] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 656] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 656] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 656] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 656] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 656] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 656] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 657 attached => {parent_tid=[657]}, 88) = 657 [pid 657] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 657] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 657] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 656] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 656] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 657] <... futex resumed>) = 0 [pid 657] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 656] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 657] <... socketpair resumed>[3, 4]) = 0 [pid 657] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 657] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 656] <... futex resumed>) = 0 [pid 656] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 657] <... futex resumed>) = 0 [pid 657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 656] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 657] <... sendmsg resumed>) = 0 [pid 657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 656] <... futex resumed>) = 0 [pid 657] <... sendmsg resumed>) = 0 [pid 657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 656] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 656] <... mmap resumed>) = 0x7f6b2567d000 [pid 657] <... sendmsg resumed>) = 0 [pid 657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 656] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 656] <... mprotect resumed>) = 0 [pid 657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 656] rt_sigprocmask(SIG_BLOCK, ~[], [pid 657] <... sendmsg resumed>) = 0 [pid 657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 656] <... rt_sigprocmask resumed>[], 8) = 0 [pid 657] <... sendmsg resumed>) = 0 [pid 657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 656] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 657] 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 658 attached [pid 657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 658] set_robust_list(0x7f6b2569d9a0, 24 [pid 656] <... clone3 resumed> => {parent_tid=[658]}, 88) = 658 [pid 657] <... sendmsg resumed>) = 0 [pid 657] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 657] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 658] <... set_robust_list resumed>) = 0 [pid 656] rt_sigprocmask(SIG_SETMASK, [], [pid 658] rt_sigprocmask(SIG_SETMASK, [], [pid 656] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 658] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 656] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000 [pid 658] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 656] <... futex resumed>) = 0 [pid 656] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 658] <... setsockopt resumed>) = 0 [pid 658] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 656] <... futex resumed>) = 0 [pid 656] exit_group(0) = ? [pid 658] +++ exited with 0 +++ [pid 657] <... futex resumed>) = ? [pid 657] +++ exited with 0 +++ [pid 656] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=656, si_uid=0, si_status=0, 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 659 attached [pid 659] set_robust_list(0x55558059c6a0, 24) = 0 [pid 288] <... clone resumed>, child_tidptr=0x55558059c690) = 659 [pid 659] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 659] setpgid(0, 0) = 0 [pid 659] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 659] write(3, "1000", 4) = 4 [pid 659] close(3) = 0 [pid 659] write(1, "executing program\n", 18executing program ) = 18 [pid 659] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 659] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 659] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 659] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 659] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 659] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 659] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 660 attached => {parent_tid=[660]}, 88) = 660 [pid 660] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 660] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 660] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 659] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 659] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 660] <... futex resumed>) = 0 [pid 660] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 659] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 660] <... socketpair resumed>[3, 4]) = 0 [pid 660] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 660] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 659] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 659] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 660] <... futex resumed>) = 0 [pid 660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 659] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 659] <... futex resumed>) = 0 [pid 660] <... sendmsg resumed>) = 0 [pid 660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 659] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 660] <... sendmsg resumed>) = 0 [pid 659] <... mmap resumed>) = 0x7f6b2567d000 [pid 660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 659] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 660] <... sendmsg resumed>) = 0 [pid 659] <... mprotect resumed>) = 0 [pid 660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 659] rt_sigprocmask(SIG_BLOCK, ~[], [pid 660] <... sendmsg resumed>) = 0 [pid 659] <... rt_sigprocmask resumed>[], 8) = 0 [pid 660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 659] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 660] <... sendmsg resumed>) = 0 [pid 659] <... clone3 resumed> => {parent_tid=[661]}, 88) = 661 ./strace-static-x86_64: Process 661 attached [pid 661] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 661] rt_sigprocmask(SIG_SETMASK, [], [pid 660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 659] rt_sigprocmask(SIG_SETMASK, [], [pid 661] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 661] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 660] <... sendmsg resumed>) = 0 [pid 659] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 659] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000 [pid 660] <... sendmsg resumed>) = 0 [pid 659] <... futex resumed>) = 1 [pid 661] <... futex resumed>) = 0 [pid 660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 659] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 661] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 661] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 661] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 659] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 660] <... sendmsg resumed>) = 0 [pid 660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 660] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 660] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 659] exit_group(0) = ? [pid 660] <... futex resumed>) = ? [pid 660] +++ exited with 0 +++ [pid 661] <... futex resumed>) = ? [pid 661] +++ exited with 0 +++ [pid 659] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=659, 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 662 attached , child_tidptr=0x55558059c690) = 662 [pid 662] set_robust_list(0x55558059c6a0, 24) = 0 [pid 662] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 662] setpgid(0, 0) = 0 executing program [pid 662] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 662] write(3, "1000", 4) = 4 [pid 662] close(3) = 0 [pid 662] write(1, "executing program\n", 18) = 18 [pid 662] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 662] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 662] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 662] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 662] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 662] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 662] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 663 attached => {parent_tid=[663]}, 88) = 663 [pid 662] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 662] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 662] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 663] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 663] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 663] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 663] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 662] <... futex resumed>) = 0 [pid 662] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 662] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 662] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 662] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 662] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 662] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} => {parent_tid=[664]}, 88) = 664 [pid 662] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 662] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 662] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 664 attached [pid 664] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 664] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 664] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 664] <... setsockopt resumed>) = 0 [pid 664] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 662] <... futex resumed>) = 0 [pid 664] <... futex resumed>) = 1 [pid 663] <... sendmsg resumed>) = 0 [pid 664] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 663] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 663] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 662] exit_group(0) = ? [pid 663] <... futex resumed>) = ? [pid 663] +++ exited with 0 +++ [pid 664] <... futex resumed>) = ? [pid 664] +++ exited with 0 +++ [pid 662] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=662, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 665 ./strace-static-x86_64: Process 665 attached [pid 665] set_robust_list(0x55558059c6a0, 24) = 0 [pid 665] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 665] setpgid(0, 0) = 0 [pid 665] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 665] write(3, "1000", 4) = 4 [pid 665] close(3) = 0 [pid 665] write(1, "executing program\n", 18executing program ) = 18 [pid 665] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 665] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 665] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 665] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 665] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 665] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 665] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 666 attached => {parent_tid=[666]}, 88) = 666 [pid 666] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 666] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 666] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 665] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 665] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 666] <... futex resumed>) = 0 [pid 665] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 666] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 666] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 666] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 665] <... futex resumed>) = 0 [pid 665] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 666] <... futex resumed>) = 0 [pid 665] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 665] <... futex resumed>) = 0 [pid 666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 665] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 666] <... sendmsg resumed>) = 0 [pid 666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 665] <... mmap resumed>) = 0x7f6b2567d000 [pid 666] <... sendmsg resumed>) = 0 [pid 666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 665] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 666] <... sendmsg resumed>) = 0 [pid 666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 665] <... mprotect resumed>) = 0 [pid 666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 665] rt_sigprocmask(SIG_BLOCK, ~[], [pid 666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 665] <... rt_sigprocmask resumed>[], 8) = 0 [pid 665] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 666] <... sendmsg resumed>) = 0 [pid 666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 665] <... clone3 resumed> => {parent_tid=[667]}, 88) = 667 [pid 665] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 666] <... sendmsg resumed>) = 0 [pid 665] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000 [pid 666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 665] <... futex resumed>) = 0 [pid 665] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 666] <... sendmsg resumed>) = 0 [pid 666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 666] 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 667 attached ) = 0 [pid 666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 667] set_robust_list(0x7f6b2569d9a0, 24 [pid 666] <... sendmsg resumed>) = 0 [pid 666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 667] <... set_robust_list resumed>) = 0 [pid 666] <... sendmsg resumed>) = 0 [pid 666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 666] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 666] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 667] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 667] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 667] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 665] <... futex resumed>) = 0 [pid 667] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 665] exit_group(0) = ? [pid 667] <... futex resumed>) = ? [pid 666] <... futex resumed>) = ? [pid 666] +++ exited with 0 +++ [pid 667] +++ exited with 0 +++ [pid 665] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=665, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 668 ./strace-static-x86_64: Process 668 attached [pid 668] set_robust_list(0x55558059c6a0, 24) = 0 [pid 668] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 668] setpgid(0, 0) = 0 [pid 668] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 668] write(3, "1000", 4) = 4 [pid 668] close(3) = 0 [pid 668] write(1, "executing program\n", 18executing program ) = 18 [pid 668] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 668] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 668] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 668] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 668] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 668] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 668] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 669 attached => {parent_tid=[669]}, 88) = 669 [pid 669] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 669] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 669] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 668] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 668] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 669] <... futex resumed>) = 0 [pid 668] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 669] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 669] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 669] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 668] <... futex resumed>) = 0 [pid 668] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 668] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 668] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 668] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 669] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 668] <... mprotect resumed>) = 0 [pid 668] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 668] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 669] <... sendmsg resumed>) = 0 [pid 669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 668] <... clone3 resumed> => {parent_tid=[670]}, 88) = 670 [pid 669] <... sendmsg resumed>) = 0 [pid 668] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 668] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 668] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 670 attached [pid 669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 670] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 669] <... sendmsg resumed>) = 0 [pid 670] rt_sigprocmask(SIG_SETMASK, [], [pid 669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 670] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 669] <... sendmsg resumed>) = 0 [pid 670] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 670] <... setsockopt resumed>) = 0 [pid 670] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 669] <... sendmsg resumed>) = 0 [pid 670] <... futex resumed>) = 1 [pid 669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 668] <... futex resumed>) = 0 [pid 670] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 669] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 669] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 669] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 668] exit_group(0 [pid 670] <... futex resumed>) = ? [pid 669] <... futex resumed>) = ? [pid 668] <... exit_group resumed>) = ? [pid 670] +++ exited with 0 +++ [pid 669] +++ exited with 0 +++ [pid 668] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=668, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 671 ./strace-static-x86_64: Process 671 attached [pid 671] set_robust_list(0x55558059c6a0, 24) = 0 [pid 671] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 671] setpgid(0, 0) = 0 [pid 671] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 671] write(3, "1000", 4) = 4 [pid 671] close(3executing program ) = 0 [pid 671] write(1, "executing program\n", 18) = 18 [pid 671] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 671] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 671] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 671] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 671] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 671] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 671] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 672 attached [pid 672] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 672] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 672] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 671] <... clone3 resumed> => {parent_tid=[672]}, 88) = 672 [pid 671] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 671] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 672] <... futex resumed>) = 0 [pid 672] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 671] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 672] <... socketpair resumed>[3, 4]) = 0 [pid 672] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 671] <... futex resumed>) = 0 [pid 672] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 671] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000 [pid 672] <... futex resumed>) = 0 [pid 671] <... futex resumed>) = 1 [pid 672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 671] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 672] <... sendmsg resumed>) = 0 [pid 672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 671] <... futex resumed>) = 0 [pid 672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 671] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 672] <... sendmsg resumed>) = 0 [pid 672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 671] <... mmap resumed>) = 0x7f6b2567d000 [pid 671] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 672] <... sendmsg resumed>) = 0 [pid 671] <... mprotect resumed>) = 0 [pid 672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 671] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 671] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 672] <... sendmsg resumed>) = 0 [pid 672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 671] <... clone3 resumed> => {parent_tid=[673]}, 88) = 673 [pid 671] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 672] <... sendmsg resumed>) = 0 [pid 671] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000 [pid 672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 671] <... futex resumed>) = 0 [pid 672] <... sendmsg resumed>) = 0 [pid 672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 671] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 672] <... sendmsg resumed>) = 0 [pid 672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 672] 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 673 attached [pid 672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 672] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 672] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 673] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 673] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 673] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 673] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 671] <... futex resumed>) = 0 [pid 671] exit_group(0) = ? [pid 672] <... futex resumed>) = ? [pid 672] +++ exited with 0 +++ [pid 673] +++ exited with 0 +++ [pid 671] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=671, si_uid=0, si_status=0, 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 674 attached , child_tidptr=0x55558059c690) = 674 [pid 674] set_robust_list(0x55558059c6a0, 24) = 0 [pid 674] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 674] setpgid(0, 0) = 0 [pid 674] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 674] write(3, "1000", 4) = 4 [pid 674] close(3) = 0 [pid 674] write(1, "executing program\n", 18executing program ) = 18 [pid 674] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 674] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 674] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 674] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 674] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 674] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 674] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 675 attached [pid 675] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 675] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 675] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 674] <... clone3 resumed> => {parent_tid=[675]}, 88) = 675 [pid 674] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 674] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 675] <... futex resumed>) = 0 [pid 675] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 674] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 675] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 675] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 674] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 674] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 675] <... futex resumed>) = 0 [pid 675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 674] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 674] <... futex resumed>) = 0 [pid 675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 674] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 675] <... sendmsg resumed>) = 0 [pid 675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 674] <... mmap resumed>) = 0x7f6b2567d000 [pid 674] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 675] <... sendmsg resumed>) = 0 [pid 674] <... mprotect resumed>) = 0 [pid 675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 674] rt_sigprocmask(SIG_BLOCK, ~[], [pid 675] <... sendmsg resumed>) = 0 [pid 674] <... rt_sigprocmask resumed>[], 8) = 0 [pid 675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 674] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 675] <... sendmsg resumed>) = 0 [pid 675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 674] <... clone3 resumed> => {parent_tid=[676]}, 88) = 676 [pid 675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 674] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 674] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000 [pid 675] <... sendmsg resumed>) = 0 [pid 675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 674] <... futex resumed>) = 0 [pid 674] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 675] <... sendmsg resumed>) = 0 [pid 675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 675] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 675] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 676 attached [pid 676] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 676] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 676] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 676] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 674] <... futex resumed>) = 0 [pid 674] exit_group(0) = ? [pid 675] <... futex resumed>) = ? [pid 675] +++ exited with 0 +++ [pid 676] +++ exited with 0 +++ [pid 674] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=674, si_uid=0, si_status=0, 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 677 attached , child_tidptr=0x55558059c690) = 677 [pid 677] set_robust_list(0x55558059c6a0, 24) = 0 [pid 677] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 677] setpgid(0, 0) = 0 [pid 677] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 677] write(3, "1000", 4) = 4 [pid 677] close(3executing program ) = 0 [pid 677] write(1, "executing program\n", 18) = 18 [pid 677] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 677] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 677] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 677] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 677] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 677] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 677] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 678 attached => {parent_tid=[678]}, 88) = 678 [pid 677] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 677] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 677] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 678] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 678] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 678] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 678] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 677] <... futex resumed>) = 0 [pid 677] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 677] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 677] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 677] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 677] rt_sigprocmask(SIG_BLOCK, ~[], [pid 678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 677] <... rt_sigprocmask resumed>[], 8) = 0 [pid 677] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 678] <... sendmsg resumed>) = 0 [pid 677] <... clone3 resumed> => {parent_tid=[679]}, 88) = 679 [pid 678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 677] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 677] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 677] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 679 attached [pid 679] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 679] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 679] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 679] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 677] <... futex resumed>) = 0 [pid 679] <... futex resumed>) = 1 [pid 678] <... sendmsg resumed>) = 0 [pid 679] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 678] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 678] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 677] exit_group(0) = ? [pid 678] <... futex resumed>) = ? [pid 678] +++ exited with 0 +++ [pid 679] <... futex resumed>) = ? [pid 679] +++ exited with 0 +++ [pid 677] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=677, si_uid=0, si_status=0, 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 680 attached , child_tidptr=0x55558059c690) = 680 [pid 680] set_robust_list(0x55558059c6a0, 24) = 0 [pid 680] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 680] setpgid(0, 0) = 0 [pid 680] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 680] write(3, "1000", 4) = 4 [pid 680] close(3executing program ) = 0 [pid 680] write(1, "executing program\n", 18) = 18 [pid 680] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 680] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 680] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 680] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 680] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 680] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 680] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 681 attached => {parent_tid=[681]}, 88) = 681 [pid 680] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 680] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 680] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 681] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 681] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 681] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 681] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 680] <... futex resumed>) = 0 [pid 680] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 680] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 680] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 680] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 680] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 680] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 680] <... clone3 resumed> => {parent_tid=[682]}, 88) = 682 [pid 680] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 680] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000 [pid 681] <... sendmsg resumed>) = 0 [pid 680] <... futex resumed>) = 0 [pid 680] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 681] 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 682 attached [pid 681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 682] set_robust_list(0x7f6b2569d9a0, 24 [pid 681] <... sendmsg resumed>) = 0 [pid 681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 682] <... set_robust_list resumed>) = 0 [pid 681] <... sendmsg resumed>) = 0 [pid 681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 682] rt_sigprocmask(SIG_SETMASK, [], [pid 681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 682] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 681] <... sendmsg resumed>) = 0 [pid 681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 682] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 681] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 681] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 682] <... setsockopt resumed>) = 0 [pid 682] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 680] <... futex resumed>) = 0 [pid 680] exit_group(0) = ? [pid 681] <... futex resumed>) = ? [pid 681] +++ exited with 0 +++ [pid 682] +++ exited with 0 +++ [pid 680] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=680, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 683 ./strace-static-x86_64: Process 683 attached [pid 683] set_robust_list(0x55558059c6a0, 24) = 0 [pid 683] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 683] setpgid(0, 0) = 0 [pid 683] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 683] write(3, "1000", 4) = 4 [pid 683] close(3) = 0 [pid 683] write(1, "executing program\n", 18executing program ) = 18 [pid 683] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 683] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 683] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 683] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 683] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 683] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 683] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 684 attached [pid 684] set_robust_list(0x7f6b256be9a0, 24 [pid 683] <... clone3 resumed> => {parent_tid=[684]}, 88) = 684 [pid 683] rt_sigprocmask(SIG_SETMASK, [], [pid 684] <... set_robust_list resumed>) = 0 [pid 683] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 683] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 683] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 684] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 684] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 684] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 683] <... futex resumed>) = 0 [pid 683] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 684] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 683] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 683] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 683] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 683] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 683] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 684] <... sendmsg resumed>) = 0 ./strace-static-x86_64: Process 685 attached [pid 684] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 685] set_robust_list(0x7f6b2569d9a0, 24 [pid 683] <... clone3 resumed> => {parent_tid=[685]}, 88) = 685 [pid 684] <... sendmsg resumed>) = 0 [pid 683] rt_sigprocmask(SIG_SETMASK, [], [pid 684] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 683] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 685] <... set_robust_list resumed>) = 0 [pid 683] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000 [pid 684] <... sendmsg resumed>) = 0 [pid 683] <... futex resumed>) = 0 [pid 685] rt_sigprocmask(SIG_SETMASK, [], [pid 684] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 683] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 685] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 684] <... sendmsg resumed>) = 0 [pid 685] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 685] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 683] <... futex resumed>) = 0 [pid 684] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 685] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 684] <... sendmsg resumed>) = 0 [pid 684] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 684] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 684] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 684] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 684] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 684] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 684] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 684] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 684] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 684] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 684] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 684] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 684] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 684] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 684] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 684] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 684] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 684] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 684] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 684] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 684] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 684] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 684] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 684] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 684] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 684] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 684] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 684] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 684] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 684] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 683] exit_group(0 [pid 684] <... futex resumed>) = ? [pid 683] <... exit_group resumed>) = ? [pid 684] +++ exited with 0 +++ [pid 685] <... futex resumed>) = ? [pid 685] +++ exited with 0 +++ [pid 683] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=683, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 686 ./strace-static-x86_64: Process 686 attached [pid 686] set_robust_list(0x55558059c6a0, 24) = 0 [pid 686] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 686] setpgid(0, 0) = 0 [pid 686] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 686] write(3, "1000", 4) = 4 [pid 686] close(3) = 0 executing program [pid 686] write(1, "executing program\n", 18) = 18 [pid 686] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 686] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 686] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 686] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 686] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 686] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 686] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 687 attached [pid 687] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 687] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 687] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 686] <... clone3 resumed> => {parent_tid=[687]}, 88) = 687 [pid 686] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 686] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 687] <... futex resumed>) = 0 [pid 686] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 687] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 687] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 686] <... futex resumed>) = 0 [pid 686] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 686] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 686] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 686] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 686] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 686] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 687] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 686] <... clone3 resumed> => {parent_tid=[688]}, 88) = 688 [pid 686] rt_sigprocmask(SIG_SETMASK, [], [pid 687] <... sendmsg resumed>) = 0 [pid 686] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 686] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 686] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 688 attached [pid 688] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 688] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 688] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 688] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 686] <... futex resumed>) = 0 [pid 687] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 688] <... futex resumed>) = 1 [pid 688] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 687] <... sendmsg resumed>) = 0 [pid 687] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 687] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 687] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 687] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 687] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 687] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 687] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 687] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 687] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 687] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 687] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 687] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 687] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 687] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 687] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 687] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 687] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 687] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 687] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 687] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 687] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 687] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 687] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 687] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 687] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 687] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 687] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 687] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 687] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 687] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 687] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 687] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 687] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 686] exit_group(0 [pid 687] <... futex resumed>) = ? [pid 686] <... exit_group resumed>) = ? [pid 687] +++ exited with 0 +++ [pid 688] <... futex resumed>) = ? [pid 688] +++ exited with 0 +++ [pid 686] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=686, si_uid=0, si_status=0, 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 689 attached , child_tidptr=0x55558059c690) = 689 [pid 689] set_robust_list(0x55558059c6a0, 24) = 0 [pid 689] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 689] setpgid(0, 0) = 0 [pid 689] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 689] write(3, "1000", 4) = 4 [pid 689] close(3) = 0 [pid 689] write(1, "executing program\n", 18executing program ) = 18 [pid 689] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 689] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 689] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 689] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 689] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 689] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 689] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0} => {parent_tid=[690]}, 88) = 690 [pid 689] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 689] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 689] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 690 attached [pid 690] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 690] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 690] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 690] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 689] <... futex resumed>) = 0 [pid 689] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 689] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 689] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 690] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 689] <... mmap resumed>) = 0x7f6b2567d000 [pid 689] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 689] rt_sigprocmask(SIG_BLOCK, ~[], [pid 690] <... sendmsg resumed>) = 0 [pid 689] <... rt_sigprocmask resumed>[], 8) = 0 [pid 689] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} => {parent_tid=[691]}, 88) = 691 [pid 690] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 689] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 690] <... sendmsg resumed>) = 0 [pid 689] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 689] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 691 attached [pid 691] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 691] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 691] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 690] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 691] <... setsockopt resumed>) = 0 [pid 691] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 689] <... futex resumed>) = 0 [pid 691] <... futex resumed>) = 1 [pid 691] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 690] <... sendmsg resumed>) = 0 [pid 690] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 690] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 690] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 690] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 690] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 690] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 690] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 690] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 690] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 690] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 690] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 690] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 690] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 690] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 690] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 690] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 690] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 690] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 690] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 690] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 690] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 690] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 690] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 690] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 690] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 690] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 690] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 690] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 690] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 690] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 690] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 690] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 689] exit_group(0 [pid 690] <... futex resumed>) = ? [pid 689] <... exit_group resumed>) = ? [pid 690] +++ exited with 0 +++ [pid 691] <... futex resumed>) = ? [pid 691] +++ exited with 0 +++ [pid 689] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=689, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 692 ./strace-static-x86_64: Process 692 attached [pid 692] set_robust_list(0x55558059c6a0, 24) = 0 [pid 692] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 692] setpgid(0, 0) = 0 [pid 692] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 692] write(3, "1000", 4) = 4 [pid 692] close(3) = 0 executing program [pid 692] write(1, "executing program\n", 18) = 18 [pid 692] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 692] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 692] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 692] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 692] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 692] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 692] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0} => {parent_tid=[693]}, 88) = 693 ./strace-static-x86_64: Process 693 attached [pid 692] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 692] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 692] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 693] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 693] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 693] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 693] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 692] <... futex resumed>) = 0 [pid 692] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 692] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 692] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 692] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 692] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 692] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} => {parent_tid=[694]}, 88) = 694 [pid 693] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 692] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 692] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 692] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 694 attached [pid 694] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 694] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 694] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 694] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 692] <... futex resumed>) = 0 [pid 694] <... futex resumed>) = 1 [pid 694] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 693] <... sendmsg resumed>) = 0 [pid 693] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 693] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 693] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 693] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 693] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 693] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 693] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 693] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 693] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 693] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 693] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 693] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 693] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 693] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 693] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 693] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 693] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 693] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 693] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 693] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 693] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 693] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 693] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 693] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 693] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 693] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 693] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 693] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 693] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 693] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 693] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 693] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 693] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 693] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 692] exit_group(0) = ? [pid 694] <... futex resumed>) = ? [pid 693] <... futex resumed>) = ? [pid 694] +++ exited with 0 +++ [pid 693] +++ exited with 0 +++ [pid 692] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=692, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 695 ./strace-static-x86_64: Process 695 attached [pid 695] set_robust_list(0x55558059c6a0, 24) = 0 [pid 695] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 695] setpgid(0, 0) = 0 [pid 695] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 695] write(3, "1000", 4) = 4 [pid 695] close(3) = 0 [pid 695] write(1, "executing program\n", 18executing program ) = 18 [pid 695] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 695] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 695] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 695] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 695] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 695] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 695] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 696 attached [pid 696] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 696] rt_sigprocmask(SIG_SETMASK, [], [pid 695] <... clone3 resumed> => {parent_tid=[696]}, 88) = 696 [pid 696] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 696] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 695] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 695] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 696] <... futex resumed>) = 0 [pid 695] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 696] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 696] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 696] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 695] <... futex resumed>) = 0 [pid 695] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 696] <... futex resumed>) = 0 [pid 695] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 696] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 696] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 696] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 696] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 696] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 696] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 696] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 696] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 696] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 696] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 696] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 696] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 696] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 696] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 695] <... futex resumed>) = 0 [pid 696] <... sendmsg resumed>) = 0 [pid 695] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 696] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 695] <... mmap resumed>) = 0x7f6b2567d000 [pid 696] <... sendmsg resumed>) = 0 [pid 695] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 696] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 695] <... mprotect resumed>) = 0 [pid 696] <... sendmsg resumed>) = 0 [pid 696] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 695] rt_sigprocmask(SIG_BLOCK, ~[], [pid 696] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 695] <... rt_sigprocmask resumed>[], 8) = 0 [pid 695] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 696] <... sendmsg resumed>) = 0 [pid 696] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 696] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 695] <... clone3 resumed> => {parent_tid=[697]}, 88) = 697 [pid 695] rt_sigprocmask(SIG_SETMASK, [], [pid 696] <... sendmsg resumed>) = 0 [pid 695] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 696] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 695] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 695] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 696] <... sendmsg resumed>) = 0 [pid 696] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 696] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 696] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 696] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 696] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 696] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 696] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 696] 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 697 attached ) = 0 [pid 696] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 696] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 697] set_robust_list(0x7f6b2569d9a0, 24 [pid 696] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 696] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 696] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 696] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 697] <... set_robust_list resumed>) = 0 [pid 697] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 697] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 697] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 695] <... futex resumed>) = 0 [pid 695] exit_group(0) = ? [pid 696] <... futex resumed>) = ? [pid 696] +++ exited with 0 +++ [pid 697] +++ exited with 0 +++ [pid 695] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=695, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 698 ./strace-static-x86_64: Process 698 attached [pid 698] set_robust_list(0x55558059c6a0, 24) = 0 [pid 698] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 698] setpgid(0, 0) = 0 [pid 698] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 698] write(3, "1000", 4) = 4 [pid 698] close(3) = 0 [pid 698] write(1, "executing program\n", 18executing program ) = 18 [pid 698] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 698] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 698] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 698] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 698] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 698] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 698] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 699 attached => {parent_tid=[699]}, 88) = 699 [pid 699] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 699] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 699] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 698] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 698] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 699] <... futex resumed>) = 0 [pid 699] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 698] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 699] <... socketpair resumed>[3, 4]) = 0 [pid 699] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 699] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 698] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 698] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 699] <... futex resumed>) = 0 [pid 699] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 699] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 699] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 699] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 699] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 699] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 699] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 699] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 698] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 699] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 699] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 699] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 699] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 699] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 699] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 698] <... futex resumed>) = 0 [pid 699] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 698] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 699] <... sendmsg resumed>) = 0 [pid 699] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 699] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 699] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 699] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 699] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 699] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 699] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 699] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 699] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 699] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 699] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 699] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 699] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 699] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 699] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 699] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 698] <... mmap resumed>) = 0x7f6b2567d000 [pid 698] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 699] <... sendmsg resumed>) = 0 [pid 698] <... mprotect resumed>) = 0 [pid 699] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 698] rt_sigprocmask(SIG_BLOCK, ~[], [pid 699] <... sendmsg resumed>) = 0 [pid 698] <... rt_sigprocmask resumed>[], 8) = 0 [pid 699] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 698] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 699] <... sendmsg resumed>) = 0 [pid 699] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 699] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 700 attached [pid 698] <... clone3 resumed> => {parent_tid=[700]}, 88) = 700 [pid 700] set_robust_list(0x7f6b2569d9a0, 24 [pid 698] rt_sigprocmask(SIG_SETMASK, [], [pid 700] <... set_robust_list resumed>) = 0 [pid 698] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 700] rt_sigprocmask(SIG_SETMASK, [], [pid 698] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000 [pid 700] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 700] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 698] <... futex resumed>) = 0 [pid 698] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 700] <... setsockopt resumed>) = 0 [pid 700] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 698] <... futex resumed>) = 0 [pid 700] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 698] exit_group(0) = ? [pid 699] <... futex resumed>) = ? [pid 699] +++ exited with 0 +++ [pid 700] <... futex resumed>) = ? [pid 700] +++ exited with 0 +++ [pid 698] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=698, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 701 ./strace-static-x86_64: Process 701 attached [pid 701] set_robust_list(0x55558059c6a0, 24) = 0 [pid 701] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 701] setpgid(0, 0) = 0 [pid 701] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 701] write(3, "1000", 4executing program ) = 4 [pid 701] close(3) = 0 [pid 701] write(1, "executing program\n", 18) = 18 [pid 701] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 701] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 701] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 701] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 701] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 701] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 701] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 702 attached [pid 702] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 702] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 702] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 701] <... clone3 resumed> => {parent_tid=[702]}, 88) = 702 [pid 701] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 701] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 702] <... futex resumed>) = 0 [pid 702] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 701] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 702] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 701] <... futex resumed>) = 0 [pid 701] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000 [pid 702] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 702] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 702] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 702] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 702] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 701] <... futex resumed>) = 0 [pid 702] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 702] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 702] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 702] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 702] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 702] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 702] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 702] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 702] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 702] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 702] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 702] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 702] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 702] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 702] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 702] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 702] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 702] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 701] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 702] <... sendmsg resumed>) = 0 [pid 702] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 702] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 702] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 702] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 702] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 702] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 702] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 702] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 701] <... futex resumed>) = 0 [pid 702] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 702] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 702] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 702] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 701] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 701] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 701] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 701] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0}./strace-static-x86_64: Process 703 attached [pid 703] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 703] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 703] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 701] <... clone3 resumed> => {parent_tid=[703]}, 88) = 703 [pid 701] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 701] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 703] <... futex resumed>) = 0 [pid 701] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 703] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 703] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 703] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 701] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 701] exit_group(0 [pid 702] <... futex resumed>) = ? [pid 701] <... exit_group resumed>) = ? [pid 702] +++ exited with 0 +++ [pid 703] <... futex resumed>) = ? [pid 703] +++ exited with 0 +++ [pid 701] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=701, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 704 ./strace-static-x86_64: Process 704 attached [pid 704] set_robust_list(0x55558059c6a0, 24) = 0 [pid 704] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 704] setpgid(0, 0) = 0 [pid 704] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 704] write(3, "1000", 4) = 4 [pid 704] close(3) = 0 executing program [pid 704] write(1, "executing program\n", 18) = 18 [pid 704] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 704] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 704] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 704] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 704] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 704] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 704] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 705 attached [pid 705] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 705] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 705] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 704] <... clone3 resumed> => {parent_tid=[705]}, 88) = 705 [pid 704] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 704] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 705] <... futex resumed>) = 0 [pid 705] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 704] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 705] <... socketpair resumed>[3, 4]) = 0 [pid 705] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 704] <... futex resumed>) = 0 [pid 704] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 704] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 704] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 704] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 704] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 704] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 705] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 704] <... clone3 resumed> => {parent_tid=[706]}, 88) = 706 [pid 704] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 704] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 704] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 706 attached [pid 706] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 706] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 706] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 706] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 704] <... futex resumed>) = 0 [pid 706] <... futex resumed>) = 1 [pid 706] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 705] <... sendmsg resumed>) = 0 [pid 705] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 705] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 705] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 705] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 705] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 705] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 705] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 705] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 705] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 705] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 705] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 705] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 705] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 705] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 705] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 705] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 705] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 705] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 705] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 705] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 705] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 705] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 705] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 705] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 705] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 705] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 705] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 705] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 705] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 705] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 705] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 705] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 705] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 705] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 704] exit_group(0 [pid 705] <... futex resumed>) = 231 [pid 704] <... exit_group resumed>) = ? [pid 706] <... futex resumed>) = ? [pid 706] +++ exited with 0 +++ [pid 705] +++ exited with 0 +++ [pid 704] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=704, si_uid=0, si_status=0, 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 707 attached , child_tidptr=0x55558059c690) = 707 [pid 707] set_robust_list(0x55558059c6a0, 24) = 0 [pid 707] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 707] setpgid(0, 0) = 0 [pid 707] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 707] write(3, "1000", 4) = 4 executing program [pid 707] close(3) = 0 [pid 707] write(1, "executing program\n", 18) = 18 [pid 707] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 707] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 707] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 707] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 707] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 707] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 707] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0} => {parent_tid=[708]}, 88) = 708 ./strace-static-x86_64: Process 708 attached [pid 707] rt_sigprocmask(SIG_SETMASK, [], [pid 708] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 708] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 708] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 707] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 707] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 708] <... futex resumed>) = 0 [pid 708] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 707] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 708] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 708] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 707] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 707] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 708] <... futex resumed>) = 0 [pid 707] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 708] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 708] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 708] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 707] <... futex resumed>) = 0 [pid 708] <... sendmsg resumed>) = 0 [pid 708] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 708] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 707] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 708] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 707] <... mmap resumed>) = 0x7f6b2567d000 [pid 708] <... sendmsg resumed>) = 0 [pid 707] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 708] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 707] <... mprotect resumed>) = 0 [pid 708] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 707] rt_sigprocmask(SIG_BLOCK, ~[], [pid 708] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 707] <... rt_sigprocmask resumed>[], 8) = 0 [pid 708] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 707] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 708] <... sendmsg resumed>) = 0 [pid 708] 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 709 attached ) = 0 [pid 707] <... clone3 resumed> => {parent_tid=[709]}, 88) = 709 [pid 709] set_robust_list(0x7f6b2569d9a0, 24 [pid 708] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 707] rt_sigprocmask(SIG_SETMASK, [], [pid 709] <... set_robust_list resumed>) = 0 [pid 707] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 708] <... sendmsg resumed>) = 0 [pid 709] rt_sigprocmask(SIG_SETMASK, [], [pid 708] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 707] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000 [pid 709] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 707] <... futex resumed>) = 0 [pid 708] <... sendmsg resumed>) = 0 [pid 707] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 708] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 709] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 709] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 707] <... futex resumed>) = 0 [pid 709] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 708] <... sendmsg resumed>) = 0 [pid 708] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 708] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 708] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 708] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 708] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 708] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 708] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 708] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 708] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 708] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 708] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 708] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 708] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 708] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 708] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 708] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 708] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 708] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 708] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 708] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 708] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 707] exit_group(0) = ? [pid 708] <... futex resumed>) = ? [pid 708] +++ exited with 0 +++ [pid 709] <... futex resumed>) = ? [pid 709] +++ exited with 0 +++ [pid 707] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=707, si_uid=0, si_status=0, 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 710 attached , child_tidptr=0x55558059c690) = 710 [pid 710] set_robust_list(0x55558059c6a0, 24) = 0 [pid 710] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 710] setpgid(0, 0) = 0 [pid 710] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 710] write(3, "1000", 4) = 4 [pid 710] close(3) = 0 [pid 710] write(1, "executing program\n", 18executing program ) = 18 [pid 710] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 710] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 710] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 710] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 710] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 710] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 710] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0} => {parent_tid=[711]}, 88) = 711 ./strace-static-x86_64: Process 711 attached [pid 710] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 710] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 710] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 711] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 711] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 711] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 711] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 710] <... futex resumed>) = 0 [pid 710] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 710] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 710] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 710] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 710] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 710] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 711] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 711] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 711] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 710] <... clone3 resumed> => {parent_tid=[712]}, 88) = 712 [pid 711] <... sendmsg resumed>) = 0 [pid 710] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 710] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000 [pid 711] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 710] <... futex resumed>) = 0 [pid 711] <... sendmsg resumed>) = 0 [pid 710] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 711] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 711] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 711] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 711] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 711] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 711] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 711] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 711] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 711] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 711] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 711] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 711] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 711] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 711] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 711] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 711] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 711] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 711] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 711] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 711] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 711] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 711] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 711] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 711] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 711] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 711] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 711] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 711] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 711] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 711] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 711] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 712 attached [pid 712] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 712] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 712] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 712] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 710] <... futex resumed>) = 0 [pid 710] exit_group(0) = ? [pid 711] <... futex resumed>) = ? [pid 711] +++ exited with 0 +++ [pid 712] +++ exited with 0 +++ [pid 710] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=710, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 713 ./strace-static-x86_64: Process 713 attached [pid 713] set_robust_list(0x55558059c6a0, 24) = 0 [pid 713] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 713] setpgid(0, 0) = 0 [pid 713] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 713] write(3, "1000", 4) = 4 [pid 713] close(3) = 0 [pid 713] write(1, "executing program\n", 18executing program ) = 18 [pid 713] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 713] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 713] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 713] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 713] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 713] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 713] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 714 attached => {parent_tid=[714]}, 88) = 714 [pid 714] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 714] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 714] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 713] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 713] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 714] <... futex resumed>) = 0 [pid 714] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 713] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 714] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 714] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 713] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 713] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 714] <... futex resumed>) = 0 [pid 714] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 714] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 714] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 713] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 714] <... sendmsg resumed>) = 0 [pid 714] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 714] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 714] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 714] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 714] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 714] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 714] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 714] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 714] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 714] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 714] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 714] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 714] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 714] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 714] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 714] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 714] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 714] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 714] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 714] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 714] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 714] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 714] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 714] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 714] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 714] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 714] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 714] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 714] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 714] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 714] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 714] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 713] <... futex resumed>) = 0 [pid 713] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 713] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 713] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 713] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0}./strace-static-x86_64: Process 715 attached [pid 715] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 715] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 715] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 713] <... clone3 resumed> => {parent_tid=[715]}, 88) = 715 [pid 713] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 713] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000 [pid 715] <... futex resumed>) = 0 [pid 713] <... futex resumed>) = 1 [pid 715] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 713] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 715] <... setsockopt resumed>) = 0 [pid 715] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 713] <... futex resumed>) = 0 [pid 715] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 713] exit_group(0) = ? [pid 714] <... futex resumed>) = ? [pid 714] +++ exited with 0 +++ [pid 715] <... futex resumed>) = ? [pid 715] +++ exited with 0 +++ [pid 713] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=713, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 716 ./strace-static-x86_64: Process 716 attached [pid 716] set_robust_list(0x55558059c6a0, 24) = 0 [pid 716] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 716] setpgid(0, 0) = 0 [pid 716] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 716] write(3, "1000", 4) = 4 [pid 716] close(3) = 0 [pid 716] write(1, "executing program\n", 18executing program ) = 18 [pid 716] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 716] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 716] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 716] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 716] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 716] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 716] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 717 attached => {parent_tid=[717]}, 88) = 717 [pid 717] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 717] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 717] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 716] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 716] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 717] <... futex resumed>) = 0 [pid 717] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 716] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 717] <... socketpair resumed>[3, 4]) = 0 [pid 717] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 717] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 716] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 716] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 717] <... futex resumed>) = 0 [pid 717] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 717] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 716] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 717] <... sendmsg resumed>) = 0 [pid 717] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 717] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 717] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 717] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 717] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 717] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 717] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 716] <... futex resumed>) = 0 [pid 717] <... sendmsg resumed>) = 0 [pid 717] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 717] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 717] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 717] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 716] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 717] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 717] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 716] <... mmap resumed>) = 0x7f6b2567d000 [pid 717] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 717] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 717] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 717] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 717] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 717] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 717] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 717] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 717] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 717] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 716] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 717] <... sendmsg resumed>) = 0 [pid 717] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 717] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 716] <... mprotect resumed>) = 0 [pid 717] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 716] rt_sigprocmask(SIG_BLOCK, ~[], [pid 717] <... sendmsg resumed>) = 0 [pid 716] <... rt_sigprocmask resumed>[], 8) = 0 [pid 717] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 717] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 717] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 717] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 717] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 716] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 717] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 717] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 718 attached [pid 716] <... clone3 resumed> => {parent_tid=[718]}, 88) = 718 [pid 718] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 718] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 718] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 716] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 716] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 718] <... futex resumed>) = 0 [pid 716] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 718] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 718] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 716] <... futex resumed>) = 0 [pid 718] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 716] exit_group(0 [pid 717] <... futex resumed>) = ? [pid 716] <... exit_group resumed>) = ? [pid 717] +++ exited with 0 +++ [pid 718] <... futex resumed>) = ? [pid 718] +++ exited with 0 +++ [pid 716] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=716, si_uid=0, si_status=0, 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 719 attached , child_tidptr=0x55558059c690) = 719 [pid 719] set_robust_list(0x55558059c6a0, 24) = 0 [pid 719] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 719] setpgid(0, 0) = 0 [pid 719] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 719] write(3, "1000", 4) = 4 [pid 719] close(3) = 0 [pid 719] write(1, "executing program\n", 18executing program ) = 18 [pid 719] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 719] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 719] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 719] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 719] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 719] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 719] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 720 attached => {parent_tid=[720]}, 88) = 720 [pid 720] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 720] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 720] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 719] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 719] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 720] <... futex resumed>) = 0 [pid 720] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 719] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 720] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 720] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 719] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 719] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 720] <... futex resumed>) = 0 [pid 720] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 720] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 720] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 720] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 720] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 720] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 720] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 720] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 720] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 720] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 720] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 720] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 720] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 720] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 720] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 720] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 719] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 720] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 720] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 720] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 720] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 720] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 720] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 720] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 720] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 720] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 720] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 720] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 720] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 720] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 720] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 720] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 720] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 720] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 720] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 720] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 719] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 719] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 719] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 719] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0}./strace-static-x86_64: Process 721 attached => {parent_tid=[721]}, 88) = 721 [pid 721] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 721] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 721] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 719] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 719] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 721] <... futex resumed>) = 0 [pid 721] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 721] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 721] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 719] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 719] exit_group(0 [pid 720] <... futex resumed>) = ? [pid 719] <... exit_group resumed>) = ? [pid 720] +++ exited with 0 +++ [pid 721] <... futex resumed>) = ? [pid 721] +++ exited with 0 +++ [pid 719] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=719, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 722 ./strace-static-x86_64: Process 722 attached [pid 722] set_robust_list(0x55558059c6a0, 24) = 0 [pid 722] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 722] setpgid(0, 0) = 0 [pid 722] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 722] write(3, "1000", 4) = 4 [pid 722] close(3) = 0 [pid 722] write(1, "executing program\n", 18executing program ) = 18 [pid 722] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 722] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 722] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 722] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 722] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 722] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 722] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 723 attached => {parent_tid=[723]}, 88) = 723 [pid 723] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 723] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 723] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 722] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 722] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 723] <... futex resumed>) = 0 [pid 723] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 722] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 723] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 723] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 722] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 722] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 723] <... futex resumed>) = 0 [pid 723] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 723] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 723] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 723] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 723] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 723] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 723] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 723] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 723] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 723] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 723] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 723] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 722] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 723] <... sendmsg resumed>) = 0 [pid 723] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 723] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 723] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 723] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 723] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 723] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 722] <... futex resumed>) = 0 [pid 723] <... sendmsg resumed>) = 0 [pid 723] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 723] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 723] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 723] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 723] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 723] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 723] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 723] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 723] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 723] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 723] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 723] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 723] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 723] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 723] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 723] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 723] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 722] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 722] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 722] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 722] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0}./strace-static-x86_64: Process 724 attached => {parent_tid=[724]}, 88) = 724 [pid 724] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 724] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 724] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 722] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 722] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 724] <... futex resumed>) = 0 [pid 724] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 724] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 724] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 722] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 722] exit_group(0 [pid 723] <... futex resumed>) = ? [pid 722] <... exit_group resumed>) = ? [pid 723] +++ exited with 0 +++ [pid 724] <... futex resumed>) = ? [pid 724] +++ exited with 0 +++ [pid 722] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=722, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 725 ./strace-static-x86_64: Process 725 attached [pid 725] set_robust_list(0x55558059c6a0, 24) = 0 [pid 725] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 725] setpgid(0, 0) = 0 [pid 725] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 725] write(3, "1000", 4) = 4 [pid 725] close(3) = 0 [pid 725] write(1, "executing program\n", 18executing program ) = 18 [pid 725] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 725] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 725] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 725] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 725] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 725] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 725] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 726 attached => {parent_tid=[726]}, 88) = 726 [pid 726] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 726] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 726] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 725] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 725] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 726] <... futex resumed>) = 0 [pid 726] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 725] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 726] <... socketpair resumed>[3, 4]) = 0 [pid 726] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 726] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 725] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 725] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 725] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 726] <... futex resumed>) = 0 [pid 726] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 726] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 726] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 726] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 726] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 725] <... futex resumed>) = 0 [pid 726] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 726] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 725] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 726] <... sendmsg resumed>) = 0 [pid 726] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 726] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 726] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 725] <... mmap resumed>) = 0x7f6b2567d000 [pid 726] <... sendmsg resumed>) = 0 [pid 726] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 726] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 726] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 725] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 726] <... sendmsg resumed>) = 0 [pid 726] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 725] <... mprotect resumed>) = 0 [pid 726] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 726] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 726] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 725] rt_sigprocmask(SIG_BLOCK, ~[], [pid 726] <... sendmsg resumed>) = 0 [pid 726] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 725] <... rt_sigprocmask resumed>[], 8) = 0 [pid 726] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 726] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 726] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 726] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 726] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 726] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 726] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 726] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 726] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 726] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 726] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 726] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 726] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 726] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 725] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 726] <... sendmsg resumed>) = 0 [pid 726] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 726] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 726] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 727 attached [pid 725] <... clone3 resumed> => {parent_tid=[727]}, 88) = 727 [pid 727] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 727] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 727] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 725] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 725] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 727] <... futex resumed>) = 0 [pid 725] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 727] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 727] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 727] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 725] <... futex resumed>) = 0 [pid 725] exit_group(0 [pid 726] <... futex resumed>) = ? [pid 725] <... exit_group resumed>) = ? [pid 726] +++ exited with 0 +++ [pid 727] <... futex resumed>) = ? [pid 727] +++ exited with 0 +++ [pid 725] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=725, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 728 ./strace-static-x86_64: Process 728 attached [pid 728] set_robust_list(0x55558059c6a0, 24) = 0 [pid 728] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 728] setpgid(0, 0) = 0 [pid 728] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 728] write(3, "1000", 4) = 4 [pid 728] close(3) = 0 [pid 728] write(1, "executing program\n", 18executing program ) = 18 [pid 728] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 728] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 728] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 728] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 728] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 728] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 728] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 729 attached => {parent_tid=[729]}, 88) = 729 [pid 729] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 729] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 729] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 728] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 728] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 729] <... futex resumed>) = 0 [pid 729] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 728] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 729] <... socketpair resumed>[3, 4]) = 0 [pid 729] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 729] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 728] <... futex resumed>) = 0 [pid 728] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 729] <... futex resumed>) = 0 [pid 729] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 729] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 729] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 729] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 729] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 728] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 729] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 728] <... futex resumed>) = 0 [pid 729] <... sendmsg resumed>) = 0 [pid 728] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 729] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 728] <... mmap resumed>) = 0x7f6b2567d000 [pid 729] <... sendmsg resumed>) = 0 [pid 728] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 729] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 728] <... mprotect resumed>) = 0 [pid 729] <... sendmsg resumed>) = 0 [pid 728] rt_sigprocmask(SIG_BLOCK, ~[], [pid 729] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 728] <... rt_sigprocmask resumed>[], 8) = 0 [pid 729] <... sendmsg resumed>) = 0 [pid 728] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 729] 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 730 attached [pid 730] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 730] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 730] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 729] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 728] <... clone3 resumed> => {parent_tid=[730]}, 88) = 730 [pid 729] <... sendmsg resumed>) = 0 [pid 728] rt_sigprocmask(SIG_SETMASK, [], [pid 729] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 728] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 729] <... sendmsg resumed>) = 0 [pid 728] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000 [pid 729] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 728] <... futex resumed>) = 1 [pid 730] <... futex resumed>) = 0 [pid 730] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 730] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 730] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 729] <... sendmsg resumed>) = 0 [pid 728] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 729] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 728] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 729] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 729] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 729] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 729] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 729] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 729] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 729] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 729] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 729] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 729] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 729] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 729] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 729] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 729] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 729] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 729] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 729] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 729] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 729] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 729] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 729] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 729] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 728] exit_group(0) = ? [pid 730] <... futex resumed>) = ? [pid 730] +++ exited with 0 +++ [pid 729] <... futex resumed>) = ? [pid 729] +++ exited with 0 +++ [pid 728] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=728, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 731 ./strace-static-x86_64: Process 731 attached [pid 731] set_robust_list(0x55558059c6a0, 24) = 0 [pid 731] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 731] setpgid(0, 0) = 0 [pid 731] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 731] write(3, "1000", 4) = 4 [pid 731] close(3) = 0 executing program [pid 731] write(1, "executing program\n", 18) = 18 [pid 731] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 731] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 731] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 731] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 731] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 731] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 731] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 732 attached [pid 732] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 732] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 732] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 731] <... clone3 resumed> => {parent_tid=[732]}, 88) = 732 [pid 731] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 731] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 732] <... futex resumed>) = 0 [pid 731] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 732] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 732] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 731] <... futex resumed>) = 0 [pid 731] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 731] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 731] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 731] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 732] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 731] rt_sigprocmask(SIG_BLOCK, ~[], [pid 732] <... sendmsg resumed>) = 0 [pid 731] <... rt_sigprocmask resumed>[], 8) = 0 [pid 731] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 732] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 731] <... clone3 resumed> => {parent_tid=[733]}, 88) = 733 [pid 731] rt_sigprocmask(SIG_SETMASK, [], [pid 732] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 731] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 731] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 731] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 733 attached [pid 733] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 733] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 733] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 733] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 731] <... futex resumed>) = 0 [pid 733] <... futex resumed>) = 1 [pid 732] <... sendmsg resumed>) = 0 [pid 733] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 732] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 732] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 732] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 732] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 732] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 732] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 732] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 732] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 732] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 732] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 732] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 732] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 732] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 732] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 732] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 732] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 732] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 732] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 732] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 732] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 732] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 732] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 732] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 732] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 732] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 732] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 732] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 732] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 732] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 732] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 732] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 732] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 731] exit_group(0 [pid 732] <... futex resumed>) = ? [pid 731] <... exit_group resumed>) = ? [pid 732] +++ exited with 0 +++ [pid 733] <... futex resumed>) = ? [pid 733] +++ exited with 0 +++ [pid 731] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=731, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 734 ./strace-static-x86_64: Process 734 attached [pid 734] set_robust_list(0x55558059c6a0, 24) = 0 [pid 734] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 734] setpgid(0, 0) = 0 [pid 734] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 734] write(3, "1000", 4) = 4 [pid 734] close(3) = 0 [pid 734] write(1, "executing program\n", 18executing program ) = 18 [pid 734] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 734] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 734] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 734] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 734] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 734] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 734] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 735 attached => {parent_tid=[735]}, 88) = 735 [pid 735] set_robust_list(0x7f6b256be9a0, 24 [pid 734] rt_sigprocmask(SIG_SETMASK, [], [pid 735] <... set_robust_list resumed>) = 0 [pid 734] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 735] rt_sigprocmask(SIG_SETMASK, [], [pid 734] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000 [pid 735] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 734] <... futex resumed>) = 0 [pid 735] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 734] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 735] <... socketpair resumed>[3, 4]) = 0 [pid 735] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 734] <... futex resumed>) = 0 [pid 734] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 734] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 734] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 734] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 734] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 734] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} => {parent_tid=[736]}, 88) = 736 [pid 734] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 734] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 734] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 736 attached [pid 736] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 736] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 736] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 736] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 734] <... futex resumed>) = 0 [pid 736] <... futex resumed>) = 1 [pid 736] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 735] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 735] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 735] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 735] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 735] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 735] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 735] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 735] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 735] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 735] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 735] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 735] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 735] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 735] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 735] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 735] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 735] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 735] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 735] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 735] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 735] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 735] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 735] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 735] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 735] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 735] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 735] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 735] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 735] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 735] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 735] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 735] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 735] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 735] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000 [pid 734] exit_group(0) = ? [pid 735] <... futex resumed>) = ? [pid 736] <... futex resumed>) = ? [pid 735] +++ exited with 0 +++ [pid 736] +++ exited with 0 +++ [pid 734] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=734, si_uid=0, si_status=0, 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 737 attached , child_tidptr=0x55558059c690) = 737 [pid 737] set_robust_list(0x55558059c6a0, 24) = 0 [pid 737] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 737] setpgid(0, 0) = 0 [pid 737] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 737] write(3, "1000", 4) = 4 [pid 737] close(3executing program ) = 0 [pid 737] write(1, "executing program\n", 18) = 18 [pid 737] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 737] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 737] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 737] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 737] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 737] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 737] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 738 attached [pid 738] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 738] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 738] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 737] <... clone3 resumed> => {parent_tid=[738]}, 88) = 738 [pid 737] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 737] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 738] <... futex resumed>) = 0 [pid 738] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 737] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 738] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 738] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 737] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 737] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 738] <... futex resumed>) = 0 [pid 737] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 738] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 738] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 738] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 738] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 738] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 738] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 737] <... futex resumed>) = 0 [pid 738] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 737] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 738] <... sendmsg resumed>) = 0 [pid 737] <... mmap resumed>) = 0x7f6b2567d000 [pid 738] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 737] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 738] <... sendmsg resumed>) = 0 [pid 738] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 737] <... mprotect resumed>) = 0 [pid 738] <... sendmsg resumed>) = 0 [pid 737] rt_sigprocmask(SIG_BLOCK, ~[], [pid 738] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 737] <... rt_sigprocmask resumed>[], 8) = 0 [pid 737] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 738] <... sendmsg resumed>) = 0 [pid 738] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 738] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 737] <... clone3 resumed> => {parent_tid=[739]}, 88) = 739 [pid 737] rt_sigprocmask(SIG_SETMASK, [], [pid 738] <... sendmsg resumed>) = 0 [pid 737] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 738] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 737] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 737] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 738] <... sendmsg resumed>) = 0 [pid 738] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 738] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 738] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 738] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 738] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 738] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 738] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 738] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 738] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 738] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 738] 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 739 attached ) = 0 [pid 738] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 738] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 738] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 738] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 738] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 738] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 738] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 738] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 738] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 738] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 738] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 739] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 739] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 739] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 739] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 737] <... futex resumed>) = 0 [pid 737] exit_group(0) = ? [pid 739] +++ exited with 0 +++ [pid 738] <... futex resumed>) = ? [pid 738] +++ exited with 0 +++ [pid 737] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=737, si_uid=0, si_status=0, 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 740 attached , child_tidptr=0x55558059c690) = 740 [pid 740] set_robust_list(0x55558059c6a0, 24) = 0 [pid 740] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 740] setpgid(0, 0) = 0 [pid 740] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 740] write(3, "1000", 4) = 4 [pid 740] close(3) = 0 [pid 740] write(1, "executing program\n", 18executing program ) = 18 [pid 740] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 740] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 740] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 740] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 740] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 740] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 740] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 741 attached [pid 741] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 741] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 741] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 740] <... clone3 resumed> => {parent_tid=[741]}, 88) = 741 [pid 740] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 740] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 741] <... futex resumed>) = 0 [pid 741] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 740] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 741] <... socketpair resumed>[3, 4]) = 0 [pid 741] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 741] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 740] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 740] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 741] <... futex resumed>) = 0 [pid 741] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 740] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 741] <... sendmsg resumed>) = 0 [pid 740] <... futex resumed>) = 0 [pid 740] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 741] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 740] <... mmap resumed>) = 0x7f6b2567d000 [pid 741] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 740] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 741] <... sendmsg resumed>) = 0 [pid 740] <... mprotect resumed>) = 0 [pid 741] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 740] rt_sigprocmask(SIG_BLOCK, ~[], [pid 741] <... sendmsg resumed>) = 0 [pid 740] <... rt_sigprocmask resumed>[], 8) = 0 [pid 741] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 740] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 741] <... sendmsg resumed>) = 0 ./strace-static-x86_64: Process 742 attached [pid 741] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 740] <... clone3 resumed> => {parent_tid=[742]}, 88) = 742 [pid 742] set_robust_list(0x7f6b2569d9a0, 24 [pid 741] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 740] rt_sigprocmask(SIG_SETMASK, [], [pid 741] <... sendmsg resumed>) = 0 [pid 742] <... set_robust_list resumed>) = 0 [pid 740] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 742] rt_sigprocmask(SIG_SETMASK, [], [pid 741] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 742] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 740] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000 [pid 742] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 741] <... sendmsg resumed>) = 0 [pid 740] <... futex resumed>) = 0 [pid 742] <... setsockopt resumed>) = 0 [pid 741] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 740] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 742] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 741] <... sendmsg resumed>) = 0 [pid 740] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 742] <... futex resumed>) = 0 [pid 741] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 742] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 741] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 741] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 741] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 741] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 741] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 741] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 741] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 741] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 741] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 741] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 741] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 741] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 741] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 741] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 741] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 741] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 741] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 741] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 741] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 741] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 741] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 741] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 741] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 741] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 741] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 741] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 740] exit_group(0 [pid 742] <... futex resumed>) = ? [pid 741] <... futex resumed>) = ? [pid 740] <... exit_group resumed>) = ? [pid 741] +++ exited with 0 +++ [pid 742] +++ exited with 0 +++ [pid 740] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=740, 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=0x55558059c690) = 743 ./strace-static-x86_64: Process 743 attached [pid 743] set_robust_list(0x55558059c6a0, 24) = 0 [pid 743] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 743] setpgid(0, 0) = 0 [pid 743] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 743] write(3, "1000", 4) = 4 [pid 743] close(3) = 0 [pid 743] write(1, "executing program\n", 18) = 18 [pid 743] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 743] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 743] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 743] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 743] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 743] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 743] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 744 attached [pid 744] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 744] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 744] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 743] <... clone3 resumed> => {parent_tid=[744]}, 88) = 744 [pid 743] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 743] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000 [pid 744] <... futex resumed>) = 0 [pid 743] <... futex resumed>) = 1 [pid 744] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 743] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 744] <... socketpair resumed>[3, 4]) = 0 [pid 744] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 744] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 743] <... futex resumed>) = 0 [pid 743] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 744] <... futex resumed>) = 0 [pid 743] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 744] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 744] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 744] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 744] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 744] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 743] <... futex resumed>) = 0 [pid 744] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 744] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 743] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 744] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 743] <... mmap resumed>) = 0x7f6b2567d000 [pid 743] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 744] <... sendmsg resumed>) = 0 [pid 743] <... mprotect resumed>) = 0 [pid 744] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 743] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 743] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 744] <... sendmsg resumed>) = 0 [pid 744] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 743] <... clone3 resumed> => {parent_tid=[745]}, 88) = 745 [pid 744] <... sendmsg resumed>) = 0 [pid 743] rt_sigprocmask(SIG_SETMASK, [], [pid 744] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 743] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 743] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 744] <... sendmsg resumed>) = 0 [pid 743] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 744] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 744] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 744] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 744] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 744] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 744] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 744] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 744] 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 745 attached ) = 0 [pid 744] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 744] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 744] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 744] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 745] set_robust_list(0x7f6b2569d9a0, 24 [pid 744] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 744] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 744] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 744] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 745] <... set_robust_list resumed>) = 0 [pid 744] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 745] rt_sigprocmask(SIG_SETMASK, [], [pid 744] <... sendmsg resumed>) = 0 [pid 744] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 744] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 744] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 745] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 744] <... sendmsg resumed>) = 0 [pid 745] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 744] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 744] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 744] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 744] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 745] <... setsockopt resumed>) = 0 [pid 745] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 743] <... futex resumed>) = 0 [pid 743] exit_group(0) = ? [pid 745] <... futex resumed>) = ? [pid 744] <... futex resumed>) = ? [pid 745] +++ exited with 0 +++ [pid 744] +++ exited with 0 +++ [pid 743] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=743, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 746 ./strace-static-x86_64: Process 746 attached [pid 746] set_robust_list(0x55558059c6a0, 24) = 0 [pid 746] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 746] setpgid(0, 0) = 0 [pid 746] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 746] write(3, "1000", 4) = 4 executing program [pid 746] close(3) = 0 [pid 746] write(1, "executing program\n", 18) = 18 [pid 746] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 746] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 746] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 746] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 746] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 746] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 746] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 747 attached [pid 747] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 747] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 747] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 746] <... clone3 resumed> => {parent_tid=[747]}, 88) = 747 [pid 746] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 746] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 747] <... futex resumed>) = 0 [pid 747] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 746] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 747] <... socketpair resumed>[3, 4]) = 0 [pid 747] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 746] <... futex resumed>) = 0 [pid 746] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 746] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 746] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 746] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 746] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 746] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} => {parent_tid=[748]}, 88) = 748 [pid 746] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 746] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 746] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 748 attached [pid 748] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 748] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 748] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 748] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 746] <... futex resumed>) = 0 [pid 748] <... futex resumed>) = 1 [pid 748] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 747] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 747] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 747] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 747] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 747] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 747] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 747] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 747] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 747] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 747] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 747] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 747] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 747] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 747] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 747] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 747] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 747] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 747] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 747] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 747] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 747] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 747] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 747] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 747] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 747] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 747] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 747] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 747] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 747] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 747] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 747] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 747] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 747] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 747] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 747] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 746] exit_group(0 [pid 747] <... futex resumed>) = ? [pid 746] <... exit_group resumed>) = ? [pid 747] +++ exited with 0 +++ [pid 748] <... futex resumed>) = ? [pid 748] +++ exited with 0 +++ [pid 746] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=746, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 749 ./strace-static-x86_64: Process 749 attached [pid 749] set_robust_list(0x55558059c6a0, 24) = 0 [pid 749] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 749] setpgid(0, 0) = 0 [pid 749] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 749] write(3, "1000", 4) = 4 [pid 749] close(3executing program ) = 0 [pid 749] write(1, "executing program\n", 18) = 18 [pid 749] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 749] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 749] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 749] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 749] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 749] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 749] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 750 attached [pid 750] set_robust_list(0x7f6b256be9a0, 24 [pid 749] <... clone3 resumed> => {parent_tid=[750]}, 88) = 750 [pid 750] <... set_robust_list resumed>) = 0 [pid 750] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 750] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 749] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 749] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 750] <... futex resumed>) = 0 [pid 749] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 750] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 750] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 750] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 749] <... futex resumed>) = 0 [pid 749] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 750] <... futex resumed>) = 0 [pid 749] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 750] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 750] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 750] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 750] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 750] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 750] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 750] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 750] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 750] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 750] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 750] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 750] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 750] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 750] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 750] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 750] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 750] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 750] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 750] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 750] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 750] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 749] <... futex resumed>) = 0 [pid 749] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 750] <... sendmsg resumed>) = 0 [pid 750] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 749] <... mmap resumed>) = 0x7f6b2567d000 [pid 749] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 750] <... sendmsg resumed>) = 0 [pid 749] <... mprotect resumed>) = 0 [pid 750] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 749] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 749] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 750] <... sendmsg resumed>) = 0 [pid 750] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 750] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 749] <... clone3 resumed> => {parent_tid=[751]}, 88) = 751 [pid 749] rt_sigprocmask(SIG_SETMASK, [], [pid 750] <... sendmsg resumed>) = 0 [pid 749] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 750] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 749] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 750] <... sendmsg resumed>) = 0 [pid 750] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 749] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 750] <... sendmsg resumed>) = 0 [pid 750] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 750] 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 751 attached ) = 0 [pid 750] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 750] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 750] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 750] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 750] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 750] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 751] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 751] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 751] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 751] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 749] <... futex resumed>) = 0 [pid 749] exit_group(0) = ? [pid 750] <... futex resumed>) = ? [pid 750] +++ exited with 0 +++ [pid 751] +++ exited with 0 +++ [pid 749] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=749, si_uid=0, si_status=0, 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 752 attached , child_tidptr=0x55558059c690) = 752 [pid 752] set_robust_list(0x55558059c6a0, 24) = 0 [pid 752] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 752] setpgid(0, 0) = 0 [pid 752] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 752] write(3, "1000", 4) = 4 [pid 752] close(3) = 0 [pid 752] write(1, "executing program\n", 18executing program ) = 18 [pid 752] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 752] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 752] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 752] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 752] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 752] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 752] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 753 attached => {parent_tid=[753]}, 88) = 753 [pid 753] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 753] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 753] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 752] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 752] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 753] <... futex resumed>) = 0 [pid 753] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 752] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 753] <... socketpair resumed>[3, 4]) = 0 [pid 753] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 753] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 752] <... futex resumed>) = 0 [pid 752] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 753] <... futex resumed>) = 0 [pid 753] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 753] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 752] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 753] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 753] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 753] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 753] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 753] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 753] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 753] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 752] <... futex resumed>) = 0 [pid 753] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 753] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 753] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 753] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 753] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 753] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 753] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 753] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 753] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 752] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 753] <... sendmsg resumed>) = 0 [pid 753] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 753] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 752] <... mmap resumed>) = 0x7f6b2567d000 [pid 753] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 753] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 753] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 753] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 753] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 753] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 753] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 753] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 753] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 753] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 753] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 753] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 752] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 753] <... sendmsg resumed>) = 0 [pid 753] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 752] <... mprotect resumed>) = 0 [pid 752] rt_sigprocmask(SIG_BLOCK, ~[], [pid 753] <... sendmsg resumed>) = 0 [pid 752] <... rt_sigprocmask resumed>[], 8) = 0 [pid 753] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 752] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 753] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 754 attached [pid 752] <... clone3 resumed> => {parent_tid=[754]}, 88) = 754 [pid 754] set_robust_list(0x7f6b2569d9a0, 24 [pid 752] rt_sigprocmask(SIG_SETMASK, [], [pid 754] <... set_robust_list resumed>) = 0 [pid 752] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 754] rt_sigprocmask(SIG_SETMASK, [], [pid 752] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000 [pid 754] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 752] <... futex resumed>) = 0 [pid 754] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 752] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 754] <... setsockopt resumed>) = 0 [pid 754] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 752] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 754] <... futex resumed>) = 0 [pid 752] exit_group(0) = ? [pid 753] <... futex resumed>) = ? [pid 753] +++ exited with 0 +++ [pid 754] +++ exited with 0 +++ [pid 752] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=752, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 755 ./strace-static-x86_64: Process 755 attached [pid 755] set_robust_list(0x55558059c6a0, 24) = 0 [pid 755] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 755] setpgid(0, 0) = 0 [pid 755] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 755] write(3, "1000", 4) = 4 [pid 755] close(3) = 0 [pid 755] write(1, "executing program\n", 18executing program ) = 18 [pid 755] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 755] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 755] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 755] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 755] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 755] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 755] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 756 attached => {parent_tid=[756]}, 88) = 756 [pid 756] set_robust_list(0x7f6b256be9a0, 24 [pid 755] rt_sigprocmask(SIG_SETMASK, [], [pid 756] <... set_robust_list resumed>) = 0 [pid 755] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 756] rt_sigprocmask(SIG_SETMASK, [], [pid 755] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000 [pid 756] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 755] <... futex resumed>) = 0 [pid 756] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 755] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 756] <... socketpair resumed>[3, 4]) = 0 [pid 756] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 755] <... futex resumed>) = 0 [pid 755] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 755] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 755] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 755] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 755] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 755] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} => {parent_tid=[757]}, 88) = 757 [pid 755] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 755] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 755] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 757 attached [pid 757] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 757] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 757] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 757] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 755] <... futex resumed>) = 0 [pid 757] <... futex resumed>) = 1 [pid 757] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 756] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 756] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 756] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 756] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 756] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 756] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 756] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 756] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 756] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 756] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 756] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 756] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 756] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 756] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 756] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 756] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 756] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 756] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 756] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 756] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 756] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 756] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 756] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 756] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 756] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 756] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 756] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 756] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 756] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 756] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 756] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 756] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 756] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 756] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 756] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 755] exit_group(0) = ? [pid 757] <... futex resumed>) = ? [pid 757] +++ exited with 0 +++ [pid 756] <... futex resumed>) = ? [pid 756] +++ exited with 0 +++ [pid 755] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=755, si_uid=0, si_status=0, 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 758 attached , child_tidptr=0x55558059c690) = 758 [pid 758] set_robust_list(0x55558059c6a0, 24) = 0 [pid 758] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 758] setpgid(0, 0) = 0 [pid 758] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 758] write(3, "1000", 4) = 4 [pid 758] close(3) = 0 [pid 758] write(1, "executing program\n", 18executing program ) = 18 [pid 758] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 758] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 758] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 758] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 758] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 758] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 758] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0} => {parent_tid=[759]}, 88) = 759 [pid 758] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 758] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 758] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 759 attached [pid 759] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 759] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 759] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 759] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 758] <... futex resumed>) = 0 [pid 758] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 758] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 758] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 758] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 759] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 758] rt_sigprocmask(SIG_BLOCK, ~[], [pid 759] <... sendmsg resumed>) = 0 [pid 758] <... rt_sigprocmask resumed>[], 8) = 0 [pid 758] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} => {parent_tid=[760]}, 88) = 760 [pid 758] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 758] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 758] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 760 attached [pid 760] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 760] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 760] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 760] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 758] <... futex resumed>) = 0 [pid 760] <... futex resumed>) = 1 [pid 759] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 760] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 759] <... sendmsg resumed>) = 0 [pid 759] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 759] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 759] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 759] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 759] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 759] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 759] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 759] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 759] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 759] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 759] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 759] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 759] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 759] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 759] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 759] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 759] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 759] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 759] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 759] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 759] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 759] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 759] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 759] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 759] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 759] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 759] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 759] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 759] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 759] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 759] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 759] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 759] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 758] exit_group(0 [pid 759] <... futex resumed>) = ? [pid 758] <... exit_group resumed>) = ? [pid 759] +++ exited with 0 +++ [pid 760] <... futex resumed>) = ? [pid 760] +++ exited with 0 +++ [pid 758] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=758, si_uid=0, si_status=0, 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 761 attached , child_tidptr=0x55558059c690) = 761 [pid 761] set_robust_list(0x55558059c6a0, 24) = 0 [pid 761] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 761] setpgid(0, 0) = 0 [pid 761] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 761] write(3, "1000", 4) = 4 [pid 761] close(3) = 0 executing program [pid 761] write(1, "executing program\n", 18) = 18 [pid 761] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 761] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 761] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 761] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 761] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 761] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 761] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 762 attached => {parent_tid=[762]}, 88) = 762 [pid 762] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 762] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 762] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 761] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 761] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 762] <... futex resumed>) = 0 [pid 761] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 762] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 762] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 762] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 761] <... futex resumed>) = 0 [pid 761] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 761] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 761] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 761] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 761] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 761] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} => {parent_tid=[763]}, 88) = 763 [pid 762] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 761] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 762] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 761] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 761] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 763 attached [pid 763] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 763] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 763] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 763] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 761] <... futex resumed>) = 0 [pid 763] <... futex resumed>) = 1 [pid 763] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 762] <... sendmsg resumed>) = 0 [pid 762] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 762] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 762] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 762] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 762] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 762] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 762] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 762] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 762] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 762] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 762] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 762] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 762] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 762] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 762] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 762] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 762] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 762] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 762] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 762] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 762] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 762] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 762] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 762] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 762] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 762] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 762] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 762] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 762] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 762] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 762] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 762] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 762] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 762] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 761] exit_group(0 [pid 762] <... futex resumed>) = ? [pid 761] <... exit_group resumed>) = ? [pid 763] <... futex resumed>) = ? [pid 762] +++ exited with 0 +++ [pid 763] +++ exited with 0 +++ [pid 761] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=761, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 764 ./strace-static-x86_64: Process 764 attached [pid 764] set_robust_list(0x55558059c6a0, 24) = 0 [pid 764] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 764] setpgid(0, 0) = 0 [pid 764] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 764] write(3, "1000", 4) = 4 [pid 764] close(3) = 0 [pid 764] write(1, "executing program\n", 18executing program ) = 18 [pid 764] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 764] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 764] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 764] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 764] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 764] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 764] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 765 attached => {parent_tid=[765]}, 88) = 765 [pid 765] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 765] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 765] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 764] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 764] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 765] <... futex resumed>) = 0 [pid 764] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 765] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 765] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 764] <... futex resumed>) = 0 [pid 764] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 764] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 764] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 765] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 764] <... mmap resumed>) = 0x7f6b2567d000 [pid 764] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 765] <... sendmsg resumed>) = 0 [pid 764] rt_sigprocmask(SIG_BLOCK, ~[], [pid 765] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 764] <... rt_sigprocmask resumed>[], 8) = 0 [pid 764] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 765] <... sendmsg resumed>) = 0 [pid 765] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 764] <... clone3 resumed> => {parent_tid=[766]}, 88) = 766 [pid 765] <... sendmsg resumed>) = 0 [pid 764] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 764] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 764] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 766 attached [pid 766] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 766] rt_sigprocmask(SIG_SETMASK, [], [pid 765] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 766] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 766] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 766] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 764] <... futex resumed>) = 0 [pid 765] <... sendmsg resumed>) = 0 [pid 766] <... futex resumed>) = 1 [pid 765] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 766] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 765] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 765] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 765] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 765] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 765] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 765] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 765] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 765] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 765] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 765] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 765] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 765] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 765] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 765] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 765] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 765] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 765] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 765] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 765] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 765] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 765] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 765] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 765] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 765] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 765] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 765] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 765] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 765] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 765] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 765] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 765] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 764] exit_group(0) = ? [pid 765] <... futex resumed>) = ? [pid 765] +++ exited with 0 +++ [pid 766] <... futex resumed>) = ? [pid 766] +++ exited with 0 +++ [pid 764] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=764, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 767 ./strace-static-x86_64: Process 767 attached [pid 767] set_robust_list(0x55558059c6a0, 24) = 0 [pid 767] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 767] setpgid(0, 0) = 0 [pid 767] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 767] write(3, "1000", 4) = 4 [pid 767] close(3) = 0 executing program [pid 767] write(1, "executing program\n", 18) = 18 [pid 767] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 767] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 767] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 767] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 767] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 767] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 767] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 768 attached [pid 768] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 768] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 768] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 767] <... clone3 resumed> => {parent_tid=[768]}, 88) = 768 [pid 767] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 767] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 768] <... futex resumed>) = 0 [pid 768] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 767] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 768] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 768] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 767] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 767] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 768] <... futex resumed>) = 0 [pid 768] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 768] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 768] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 768] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 768] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 767] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 768] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 768] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 768] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 767] <... futex resumed>) = 0 [pid 768] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 767] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 768] <... sendmsg resumed>) = 0 [pid 768] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 767] <... mmap resumed>) = 0x7f6b2567d000 [pid 767] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 768] <... sendmsg resumed>) = 0 [pid 767] <... mprotect resumed>) = 0 [pid 768] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 767] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 767] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 768] <... sendmsg resumed>) = 0 [pid 768] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 768] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 767] <... clone3 resumed> => {parent_tid=[769]}, 88) = 769 [pid 768] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 767] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 767] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 767] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 768] <... sendmsg resumed>) = 0 [pid 768] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 768] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 768] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 768] 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 769 attached [pid 768] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 768] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 768] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 768] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 768] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 768] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 768] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 768] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 768] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 768] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 768] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 768] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 768] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 769] set_robust_list(0x7f6b2569d9a0, 24 [pid 768] <... sendmsg resumed>) = 0 [pid 768] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 768] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 768] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 768] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 769] <... set_robust_list resumed>) = 0 [pid 769] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 769] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 769] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 767] <... futex resumed>) = 0 [pid 769] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 767] exit_group(0) = ? [pid 768] <... futex resumed>) = ? [pid 768] +++ exited with 0 +++ [pid 769] <... futex resumed>) = ? [pid 769] +++ exited with 0 +++ [pid 767] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=767, si_uid=0, si_status=0, 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 770 attached , child_tidptr=0x55558059c690) = 770 [pid 770] set_robust_list(0x55558059c6a0, 24) = 0 [pid 770] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 770] setpgid(0, 0) = 0 [pid 770] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 770] write(3, "1000", 4) = 4 [pid 770] close(3) = 0 [pid 770] write(1, "executing program\n", 18executing program ) = 18 [pid 770] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 770] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 770] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 770] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 770] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 770] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 770] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0} => {parent_tid=[771]}, 88) = 771 [pid 770] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 770] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 770] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 771 attached [pid 771] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 771] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 771] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 771] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 770] <... futex resumed>) = 0 [pid 771] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 770] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000 [pid 771] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 770] <... futex resumed>) = 0 [pid 771] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 770] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 770] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 771] <... sendmsg resumed>) = 0 [pid 770] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 771] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 770] <... mprotect resumed>) = 0 [pid 771] <... sendmsg resumed>) = 0 [pid 770] rt_sigprocmask(SIG_BLOCK, ~[], [pid 771] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 770] <... rt_sigprocmask resumed>[], 8) = 0 [pid 770] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 771] <... sendmsg resumed>) = 0 [pid 771] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 770] <... clone3 resumed> => {parent_tid=[772]}, 88) = 772 [pid 770] rt_sigprocmask(SIG_SETMASK, [], [pid 771] <... sendmsg resumed>) = 0 [pid 770] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 771] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 770] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 772 attached [pid 770] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 772] set_robust_list(0x7f6b2569d9a0, 24 [pid 771] <... sendmsg resumed>) = 0 [pid 771] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 772] <... set_robust_list resumed>) = 0 [pid 771] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 771] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 771] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 772] rt_sigprocmask(SIG_SETMASK, [], [pid 771] <... sendmsg resumed>) = 0 [pid 771] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 771] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 771] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 771] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 771] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 771] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 772] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 771] <... sendmsg resumed>) = 0 [pid 771] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 771] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 772] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 771] <... sendmsg resumed>) = 0 [pid 771] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 771] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 771] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 772] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 771] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 771] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 771] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 771] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 771] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 771] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 771] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 771] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 770] <... futex resumed>) = 0 [pid 771] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 771] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 771] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 771] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 771] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 771] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 771] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 772] <... futex resumed>) = 1 [pid 772] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 770] exit_group(0) = ? [pid 772] <... futex resumed>) = ? [pid 771] <... futex resumed>) = ? [pid 771] +++ exited with 0 +++ [pid 772] +++ exited with 0 +++ [pid 770] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=770, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 773 ./strace-static-x86_64: Process 773 attached [pid 773] set_robust_list(0x55558059c6a0, 24) = 0 [pid 773] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 773] setpgid(0, 0) = 0 [pid 773] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 773] write(3, "1000", 4) = 4 [pid 773] close(3) = 0 [pid 773] write(1, "executing program\n", 18executing program ) = 18 [pid 773] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 773] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 773] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 773] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 773] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 773] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 773] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0} => {parent_tid=[774]}, 88) = 774 [pid 773] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 773] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 773] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 774 attached [pid 774] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 774] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 774] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 774] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000 [pid 773] <... futex resumed>) = 0 [pid 773] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 773] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 773] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 773] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 773] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 773] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} => {parent_tid=[775]}, 88) = 775 [pid 773] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 773] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 773] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 774] <... futex resumed>) = 1 [pid 774] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 774] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 774] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 774] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 774] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 774] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 774] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 774] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 774] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 774] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 774] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 774] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 774] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 774] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 774] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 774] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 774] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 774] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 774] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 774] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 774] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 774] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 774] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 774] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 774] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 774] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 774] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 774] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 774] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 774] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 774] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 774] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 774] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 774] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 774] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 775 attached [pid 775] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 775] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 775] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 775] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 773] <... futex resumed>) = 0 [pid 773] exit_group(0) = ? [pid 775] <... futex resumed>) = ? [pid 774] <... futex resumed>) = ? [pid 774] +++ exited with 0 +++ [pid 775] +++ exited with 0 +++ [pid 773] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=773, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 776 ./strace-static-x86_64: Process 776 attached [pid 776] set_robust_list(0x55558059c6a0, 24) = 0 [pid 776] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 776] setpgid(0, 0) = 0 [pid 776] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 776] write(3, "1000", 4) = 4 [pid 776] close(3) = 0 executing program [pid 776] write(1, "executing program\n", 18) = 18 [pid 776] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 776] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 776] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 776] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 776] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 776] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 776] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0} => {parent_tid=[777]}, 88) = 777 [pid 776] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 776] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 776] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 777 attached [pid 777] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 777] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 777] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 777] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 776] <... futex resumed>) = 0 [pid 776] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 776] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 776] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 776] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 776] rt_sigprocmask(SIG_BLOCK, ~[], [pid 777] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 776] <... rt_sigprocmask resumed>[], 8) = 0 [pid 776] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 777] <... sendmsg resumed>) = 0 ./strace-static-x86_64: Process 778 attached [pid 777] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 776] <... clone3 resumed> => {parent_tid=[778]}, 88) = 778 [pid 778] set_robust_list(0x7f6b2569d9a0, 24 [pid 776] rt_sigprocmask(SIG_SETMASK, [], [pid 777] <... sendmsg resumed>) = 0 [pid 776] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 778] <... set_robust_list resumed>) = 0 [pid 777] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 776] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000 [pid 778] rt_sigprocmask(SIG_SETMASK, [], [pid 776] <... futex resumed>) = 0 [pid 777] <... sendmsg resumed>) = 0 [pid 776] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 778] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 777] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 778] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 778] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 776] <... futex resumed>) = 0 [pid 777] <... sendmsg resumed>) = 0 [pid 778] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 777] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 777] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 777] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 777] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 777] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 777] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 777] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 777] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 777] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 777] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 777] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 777] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 777] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 777] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 777] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 777] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 777] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 777] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 777] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 777] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 777] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 777] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 777] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 777] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 777] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 777] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 777] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 777] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 777] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 777] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 777] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 776] exit_group(0) = ? [pid 777] <... futex resumed>) = ? [pid 777] +++ exited with 0 +++ [pid 778] <... futex resumed>) = ? [pid 778] +++ exited with 0 +++ [pid 776] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=776, 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=0x55558059c690) = 779 ./strace-static-x86_64: Process 779 attached [pid 779] set_robust_list(0x55558059c6a0, 24) = 0 [pid 779] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 779] setpgid(0, 0) = 0 [pid 779] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 779] write(3, "1000", 4) = 4 [pid 779] close(3) = 0 [pid 779] write(1, "executing program\n", 18executing program ) = 18 [pid 779] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 779] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 779] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 779] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 779] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 779] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 779] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 780 attached => {parent_tid=[780]}, 88) = 780 [pid 780] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 780] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 780] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 779] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 779] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 780] <... futex resumed>) = 0 [pid 780] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 780] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 780] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 779] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 779] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 780] <... futex resumed>) = 0 [pid 780] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 780] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 780] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 780] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 780] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 780] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 780] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 780] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 780] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 780] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 780] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 780] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 780] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 780] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 780] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 780] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 780] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 780] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 780] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 780] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 779] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 780] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 780] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 780] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 780] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 780] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 780] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 780] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 780] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 780] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 779] <... futex resumed>) = 0 [pid 780] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 780] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 780] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 780] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 779] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 780] <... sendmsg resumed>) = 0 [pid 780] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 780] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 779] <... mmap resumed>) = 0x7f6b2567d000 [pid 779] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 779] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 779] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0}./strace-static-x86_64: Process 781 attached => {parent_tid=[781]}, 88) = 781 [pid 781] set_robust_list(0x7f6b2569d9a0, 24 [pid 779] rt_sigprocmask(SIG_SETMASK, [], [pid 781] <... set_robust_list resumed>) = 0 [pid 779] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 781] rt_sigprocmask(SIG_SETMASK, [], [pid 779] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000 [pid 781] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 779] <... futex resumed>) = 0 [pid 781] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 779] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 781] <... setsockopt resumed>) = 0 [pid 781] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 779] <... futex resumed>) = 0 [pid 779] exit_group(0 [pid 780] <... futex resumed>) = ? [pid 780] +++ exited with 0 +++ [pid 779] <... exit_group resumed>) = ? [pid 781] +++ exited with 0 +++ [pid 779] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=779, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 782 ./strace-static-x86_64: Process 782 attached [pid 782] set_robust_list(0x55558059c6a0, 24) = 0 [pid 782] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 782] setpgid(0, 0) = 0 [pid 782] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 782] write(3, "1000", 4) = 4 [pid 782] close(3) = 0 [pid 782] write(1, "executing program\n", 18executing program ) = 18 [pid 782] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 782] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 782] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 782] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 782] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 782] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 782] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 783 attached => {parent_tid=[783]}, 88) = 783 [pid 783] set_robust_list(0x7f6b256be9a0, 24 [pid 782] rt_sigprocmask(SIG_SETMASK, [], [pid 783] <... set_robust_list resumed>) = 0 [pid 782] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 783] rt_sigprocmask(SIG_SETMASK, [], [pid 782] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000 [pid 783] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 782] <... futex resumed>) = 0 [pid 783] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 782] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 783] <... socketpair resumed>[3, 4]) = 0 [pid 783] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000 [pid 782] <... futex resumed>) = 0 [pid 783] <... futex resumed>) = 1 [pid 782] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000 [pid 783] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 782] <... futex resumed>) = 0 [pid 782] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 783] <... sendmsg resumed>) = 0 [pid 782] <... futex resumed>) = 0 [pid 783] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 782] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 783] <... sendmsg resumed>) = 0 [pid 782] <... mmap resumed>) = 0x7f6b2567d000 [pid 783] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 782] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 783] <... sendmsg resumed>) = 0 [pid 782] <... mprotect resumed>) = 0 [pid 783] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 782] rt_sigprocmask(SIG_BLOCK, ~[], [pid 783] <... sendmsg resumed>) = 0 [pid 782] <... rt_sigprocmask resumed>[], 8) = 0 [pid 783] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 782] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 783] <... sendmsg resumed>) = 0 [pid 782] <... clone3 resumed> => {parent_tid=[784]}, 88) = 784 ./strace-static-x86_64: Process 784 attached [pid 783] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 784] set_robust_list(0x7f6b2569d9a0, 24 [pid 782] rt_sigprocmask(SIG_SETMASK, [], [pid 784] <... set_robust_list resumed>) = 0 [pid 783] <... sendmsg resumed>) = 0 [pid 782] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 784] rt_sigprocmask(SIG_SETMASK, [], [pid 783] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 782] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000 [pid 784] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 783] <... sendmsg resumed>) = 0 [pid 782] <... futex resumed>) = 0 [pid 784] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 783] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 782] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 784] <... setsockopt resumed>) = 0 [pid 783] <... sendmsg resumed>) = 0 [pid 784] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 783] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 784] <... futex resumed>) = 1 [pid 782] <... futex resumed>) = 0 [pid 784] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 783] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 783] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 783] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 783] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 783] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 783] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 783] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 783] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 783] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 783] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 783] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 783] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 783] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 783] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 783] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 783] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 783] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 783] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 783] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 783] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 783] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 783] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 783] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 783] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 783] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 783] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 783] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 782] exit_group(0 [pid 783] <... futex resumed>) = ? [pid 782] <... exit_group resumed>) = ? [pid 783] +++ exited with 0 +++ [pid 784] <... futex resumed>) = ? [pid 784] +++ exited with 0 +++ [pid 782] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=782, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 785 ./strace-static-x86_64: Process 785 attached [pid 785] set_robust_list(0x55558059c6a0, 24) = 0 [pid 785] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 785] setpgid(0, 0) = 0 [pid 785] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 785] write(3, "1000", 4) = 4 [pid 785] close(3) = 0 [pid 785] write(1, "executing program\n", 18executing program ) = 18 [pid 785] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 785] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 785] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 785] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 785] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 785] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 785] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 786 attached => {parent_tid=[786]}, 88) = 786 [pid 786] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 786] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 786] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 785] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 785] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 786] <... futex resumed>) = 0 [pid 785] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 786] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 786] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 786] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 785] <... futex resumed>) = 0 [pid 785] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 785] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 785] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 785] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 786] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 785] rt_sigprocmask(SIG_BLOCK, ~[], [pid 786] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 785] <... rt_sigprocmask resumed>[], 8) = 0 [pid 785] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 786] <... sendmsg resumed>) = 0 [pid 786] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 785] <... clone3 resumed> => {parent_tid=[787]}, 88) = 787 [pid 785] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 785] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 785] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 787 attached [pid 787] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 787] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 787] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 787] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 785] <... futex resumed>) = 0 [pid 787] <... futex resumed>) = 1 [pid 787] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 786] <... sendmsg resumed>) = 0 [pid 786] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 786] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 786] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 786] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 786] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 786] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 786] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 786] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 786] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 786] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 786] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 786] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 786] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 786] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 786] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 786] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 786] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 786] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 786] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 786] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 786] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 786] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 786] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 786] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 786] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 786] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 786] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 786] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 786] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 786] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 786] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 786] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 786] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 785] exit_group(0 [pid 786] <... futex resumed>) = ? [pid 785] <... exit_group resumed>) = ? [pid 786] +++ exited with 0 +++ [pid 787] <... futex resumed>) = ? [pid 787] +++ exited with 0 +++ [pid 785] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=785, si_uid=0, si_status=0, 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 788 attached , child_tidptr=0x55558059c690) = 788 [pid 788] set_robust_list(0x55558059c6a0, 24) = 0 [pid 788] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 788] setpgid(0, 0) = 0 [pid 788] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 788] write(3, "1000", 4) = 4 [pid 788] close(3executing program ) = 0 [pid 788] write(1, "executing program\n", 18) = 18 [pid 788] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 788] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 788] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 788] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 788] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 788] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 788] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 789 attached [pid 789] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 789] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 789] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 788] <... clone3 resumed> => {parent_tid=[789]}, 88) = 789 [pid 788] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 788] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 789] <... futex resumed>) = 0 [pid 788] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 789] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 789] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 789] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 788] <... futex resumed>) = 0 [pid 788] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 788] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 788] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 788] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 788] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 788] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} => {parent_tid=[790]}, 88) = 790 [pid 789] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 788] rt_sigprocmask(SIG_SETMASK, [], [pid 789] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 788] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 788] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 788] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 790 attached [pid 790] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 790] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 790] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 790] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 788] <... futex resumed>) = 0 [pid 790] <... futex resumed>) = 1 [pid 790] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 789] <... sendmsg resumed>) = 0 [pid 789] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 789] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 789] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 789] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 789] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 789] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 789] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 789] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 789] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 789] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 789] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 789] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 789] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 789] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 789] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 789] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 789] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 789] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 789] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 789] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 789] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 789] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 789] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 789] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 789] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 789] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 789] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 789] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 789] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 789] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 789] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 789] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 789] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 789] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 788] exit_group(0 [pid 789] <... futex resumed>) = ? [pid 788] <... exit_group resumed>) = ? [pid 790] <... futex resumed>) = ? [pid 789] +++ exited with 0 +++ [pid 790] +++ exited with 0 +++ [pid 788] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=788, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 791 ./strace-static-x86_64: Process 791 attached [pid 791] set_robust_list(0x55558059c6a0, 24) = 0 [pid 791] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 791] setpgid(0, 0) = 0 [pid 791] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 791] write(3, "1000", 4) = 4 [pid 791] close(3) = 0 executing program [pid 791] write(1, "executing program\n", 18) = 18 [pid 791] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 791] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 791] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 791] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 791] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 791] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 791] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 792 attached [pid 792] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 792] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 792] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 791] <... clone3 resumed> => {parent_tid=[792]}, 88) = 792 [pid 791] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 791] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 792] <... futex resumed>) = 0 [pid 792] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 792] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000 [pid 791] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 792] <... futex resumed>) = 0 [pid 792] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 791] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 791] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 792] <... futex resumed>) = 0 [pid 792] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 791] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 792] <... sendmsg resumed>) = 0 [pid 791] <... futex resumed>) = 0 [pid 792] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 791] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 792] <... sendmsg resumed>) = 0 [pid 791] <... mmap resumed>) = 0x7f6b2567d000 [pid 792] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 791] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 792] <... sendmsg resumed>) = 0 [pid 791] <... mprotect resumed>) = 0 [pid 792] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 791] rt_sigprocmask(SIG_BLOCK, ~[], [pid 792] <... sendmsg resumed>) = 0 [pid 791] <... rt_sigprocmask resumed>[], 8) = 0 [pid 792] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 791] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 792] <... sendmsg resumed>) = 0 [pid 792] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 791] <... clone3 resumed> => {parent_tid=[793]}, 88) = 793 ./strace-static-x86_64: Process 793 attached [pid 792] <... sendmsg resumed>) = 0 [pid 791] rt_sigprocmask(SIG_SETMASK, [], [pid 793] set_robust_list(0x7f6b2569d9a0, 24 [pid 792] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 791] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 793] <... set_robust_list resumed>) = 0 [pid 792] <... sendmsg resumed>) = 0 [pid 791] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000 [pid 793] rt_sigprocmask(SIG_SETMASK, [], [pid 792] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 791] <... futex resumed>) = 0 [pid 793] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 792] <... sendmsg resumed>) = 0 [pid 791] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 793] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 792] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 793] <... setsockopt resumed>) = 0 [pid 792] <... sendmsg resumed>) = 0 [pid 793] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 792] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 793] <... futex resumed>) = 1 [pid 791] <... futex resumed>) = 0 [pid 793] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 792] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 792] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 792] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 792] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 792] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 792] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 792] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 792] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 792] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 792] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 792] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 792] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 792] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 792] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 792] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 792] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 792] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 792] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 792] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 792] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 792] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 792] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 792] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 792] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 792] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 792] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 791] exit_group(0 [pid 792] <... futex resumed>) = ? [pid 791] <... exit_group resumed>) = ? [pid 792] +++ exited with 0 +++ [pid 793] <... futex resumed>) = ? [pid 793] +++ exited with 0 +++ [pid 791] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=791, si_uid=0, si_status=0, 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 794 attached , child_tidptr=0x55558059c690) = 794 [pid 794] set_robust_list(0x55558059c6a0, 24) = 0 [pid 794] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 794] setpgid(0, 0) = 0 [pid 794] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 794] write(3, "1000", 4) = 4 [pid 794] close(3) = 0 executing program [pid 794] write(1, "executing program\n", 18) = 18 [pid 794] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 794] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 794] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 794] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 794] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 794] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 794] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0} => {parent_tid=[795]}, 88) = 795 [pid 794] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 794] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 794] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 795 attached [pid 795] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 795] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 795] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 795] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 794] <... futex resumed>) = 0 [pid 794] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 794] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 794] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 795] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 794] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 795] <... sendmsg resumed>) = 0 [pid 794] rt_sigprocmask(SIG_BLOCK, ~[], [pid 795] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 794] <... rt_sigprocmask resumed>[], 8) = 0 [pid 795] <... sendmsg resumed>) = 0 [pid 794] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 795] 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 796 attached [pid 794] <... clone3 resumed> => {parent_tid=[796]}, 88) = 796 [pid 796] set_robust_list(0x7f6b2569d9a0, 24 [pid 795] <... sendmsg resumed>) = 0 [pid 794] rt_sigprocmask(SIG_SETMASK, [], [pid 796] <... set_robust_list resumed>) = 0 [pid 795] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 794] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 796] rt_sigprocmask(SIG_SETMASK, [], [pid 795] <... sendmsg resumed>) = 0 [pid 794] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000 [pid 796] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 795] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 794] <... futex resumed>) = 0 [pid 796] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 795] <... sendmsg resumed>) = 0 [pid 794] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 796] <... setsockopt resumed>) = 0 [pid 795] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 796] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 795] <... sendmsg resumed>) = 0 [pid 794] <... futex resumed>) = 0 [pid 796] <... futex resumed>) = 1 [pid 795] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 796] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 795] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 795] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 795] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 795] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 795] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 795] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 795] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 795] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 795] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 795] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 795] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 795] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 795] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 795] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 795] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 795] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 795] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 795] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 795] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 795] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 795] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 795] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 795] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 795] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 795] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 795] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 795] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 795] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 795] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 794] exit_group(0 [pid 796] <... futex resumed>) = ? [pid 795] <... futex resumed>) = ? [pid 794] <... exit_group resumed>) = ? [pid 795] +++ exited with 0 +++ [pid 796] +++ exited with 0 +++ [pid 794] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=794, si_uid=0, si_status=0, 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 797 attached , child_tidptr=0x55558059c690) = 797 [pid 797] set_robust_list(0x55558059c6a0, 24) = 0 [pid 797] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 797] setpgid(0, 0) = 0 [pid 797] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 797] write(3, "1000", 4) = 4 [pid 797] close(3) = 0 executing program [pid 797] write(1, "executing program\n", 18) = 18 [pid 797] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 797] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 797] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 797] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 797] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 797] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 797] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 798 attached => {parent_tid=[798]}, 88) = 798 [pid 798] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 798] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 798] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 797] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 797] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 798] <... futex resumed>) = 0 [pid 797] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 798] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 798] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 798] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 797] <... futex resumed>) = 0 [pid 797] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 797] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 797] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 797] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 797] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 797] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} => {parent_tid=[799]}, 88) = 799 [pid 798] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 797] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 797] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 797] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 799 attached [pid 799] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 799] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 799] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 799] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 797] <... futex resumed>) = 0 [pid 799] <... futex resumed>) = 1 [pid 799] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 798] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 798] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 798] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 798] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 798] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 798] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 798] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 798] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 798] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 798] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 798] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 798] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 798] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 798] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 798] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 798] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 798] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 798] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 798] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 798] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 798] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 798] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 798] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 798] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 798] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 798] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 798] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 798] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 798] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 798] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 798] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 798] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 798] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 798] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 798] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 797] exit_group(0 [pid 798] <... futex resumed>) = ? [pid 797] <... exit_group resumed>) = ? [pid 798] +++ exited with 0 +++ [pid 799] <... futex resumed>) = ? [pid 799] +++ exited with 0 +++ [pid 797] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=797, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 800 ./strace-static-x86_64: Process 800 attached [pid 800] set_robust_list(0x55558059c6a0, 24) = 0 [pid 800] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 800] setpgid(0, 0) = 0 [pid 800] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 800] write(3, "1000", 4) = 4 [pid 800] close(3) = 0 [pid 800] write(1, "executing program\n", 18executing program ) = 18 [pid 800] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 800] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 800] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 800] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 800] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 800] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 800] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 801 attached [pid 801] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 801] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 801] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 800] <... clone3 resumed> => {parent_tid=[801]}, 88) = 801 [pid 800] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 800] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 801] <... futex resumed>) = 0 [pid 801] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 800] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 801] <... socketpair resumed>[3, 4]) = 0 [pid 801] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 800] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 801] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 800] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000 [pid 801] <... futex resumed>) = 0 [pid 801] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 800] <... futex resumed>) = 1 [pid 801] <... sendmsg resumed>) = 0 [pid 801] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 801] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 801] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 801] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 801] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 800] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 801] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 800] <... futex resumed>) = 0 [pid 801] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 801] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 801] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 801] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 801] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 801] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 801] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 801] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 801] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 800] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 801] <... sendmsg resumed>) = 0 [pid 800] <... mmap resumed>) = 0x7f6b2567d000 [pid 801] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 800] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 801] <... sendmsg resumed>) = 0 [pid 800] <... mprotect resumed>) = 0 [pid 801] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 800] rt_sigprocmask(SIG_BLOCK, ~[], [pid 801] <... sendmsg resumed>) = 0 [pid 800] <... rt_sigprocmask resumed>[], 8) = 0 [pid 801] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 800] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 801] <... sendmsg resumed>) = 0 [pid 801] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 801] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 800] <... clone3 resumed> => {parent_tid=[802]}, 88) = 802 [pid 800] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 801] <... sendmsg resumed>) = 0 [pid 801] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 800] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 801] <... sendmsg resumed>) = 0 [pid 800] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 801] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 801] 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 802 attached ) = 0 [pid 801] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 801] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 801] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 801] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 802] set_robust_list(0x7f6b2569d9a0, 24 [pid 801] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 801] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 801] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 801] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 801] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 801] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 801] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 802] <... set_robust_list resumed>) = 0 [pid 802] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 802] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 802] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 802] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 800] <... futex resumed>) = 0 [pid 800] exit_group(0) = ? [pid 801] <... futex resumed>) = ? [pid 801] +++ exited with 0 +++ [pid 802] <... futex resumed>) = ? [pid 802] +++ exited with 0 +++ [pid 800] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=800, si_uid=0, si_status=0, 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 803 attached , child_tidptr=0x55558059c690) = 803 [pid 803] set_robust_list(0x55558059c6a0, 24) = 0 [pid 803] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 803] setpgid(0, 0) = 0 [pid 803] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 803] write(3, "1000", 4) = 4 [pid 803] close(3) = 0 executing program [pid 803] write(1, "executing program\n", 18) = 18 [pid 803] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 803] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 803] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 803] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 803] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 803] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 803] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 804 attached => {parent_tid=[804]}, 88) = 804 [pid 804] set_robust_list(0x7f6b256be9a0, 24 [pid 803] rt_sigprocmask(SIG_SETMASK, [], [pid 804] <... set_robust_list resumed>) = 0 [pid 803] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 804] rt_sigprocmask(SIG_SETMASK, [], [pid 803] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000 [pid 804] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 803] <... futex resumed>) = 0 [pid 804] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 803] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 804] <... socketpair resumed>[3, 4]) = 0 [pid 804] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 803] <... futex resumed>) = 0 [pid 803] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 803] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 803] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 803] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 803] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 803] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} => {parent_tid=[805]}, 88) = 805 [pid 803] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 803] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 803] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 805 attached [pid 805] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 805] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 805] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 805] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 803] <... futex resumed>) = 0 [pid 804] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 805] <... futex resumed>) = 1 [pid 805] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 804] <... sendmsg resumed>) = 0 [pid 804] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 804] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 804] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 804] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 804] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 804] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 804] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 804] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 804] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 804] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 804] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 804] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 804] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 804] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 804] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 804] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 804] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 804] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 804] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 804] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 804] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 804] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 804] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 804] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 804] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 804] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 804] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 804] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 804] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 804] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 804] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 804] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 804] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 803] exit_group(0) = ? [pid 805] <... futex resumed>) = ? [pid 805] +++ exited with 0 +++ [pid 804] +++ exited with 0 +++ [pid 803] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=803, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 806 ./strace-static-x86_64: Process 806 attached [pid 806] set_robust_list(0x55558059c6a0, 24) = 0 [pid 806] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 806] setpgid(0, 0) = 0 [pid 806] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 806] write(3, "1000", 4) = 4 executing program [pid 806] close(3) = 0 [pid 806] write(1, "executing program\n", 18) = 18 [pid 806] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 806] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 806] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 806] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 806] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 806] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 806] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 807 attached => {parent_tid=[807]}, 88) = 807 [pid 807] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 807] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 807] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 806] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 806] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 807] <... futex resumed>) = 0 [pid 807] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 806] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 807] <... socketpair resumed>[3, 4]) = 0 [pid 807] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 807] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 806] <... futex resumed>) = 0 [pid 806] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 807] <... futex resumed>) = 0 [pid 806] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 807] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 807] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 807] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 807] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 807] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 807] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 807] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 806] <... futex resumed>) = 0 [pid 807] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 806] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 807] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 807] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 807] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 807] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 807] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 807] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 807] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 807] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 807] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 806] <... mmap resumed>) = 0x7f6b2567d000 [pid 806] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 807] <... sendmsg resumed>) = 0 [pid 806] <... mprotect resumed>) = 0 [pid 807] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 806] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 806] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 807] <... sendmsg resumed>) = 0 [pid 807] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 807] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 807] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 806] <... clone3 resumed> => {parent_tid=[808]}, 88) = 808 [pid 807] <... sendmsg resumed>) = 0 [pid 806] rt_sigprocmask(SIG_SETMASK, [], [pid 807] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 806] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 806] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000 [pid 807] <... sendmsg resumed>) = 0 [pid 807] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 806] <... futex resumed>) = 0 [pid 807] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 806] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 807] <... sendmsg resumed>) = 0 [pid 807] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 807] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 807] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 807] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 807] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 807] 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 808 attached [pid 807] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 807] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 807] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 807] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 807] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 808] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 808] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 808] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 808] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 806] <... futex resumed>) = 0 [pid 806] exit_group(0) = ? [pid 807] <... futex resumed>) = ? [pid 807] +++ exited with 0 +++ [pid 808] +++ exited with 0 +++ [pid 806] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=806, si_uid=0, si_status=0, 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 809 attached , child_tidptr=0x55558059c690) = 809 [pid 809] set_robust_list(0x55558059c6a0, 24) = 0 [pid 809] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 809] setpgid(0, 0) = 0 [pid 809] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 809] write(3, "1000", 4) = 4 [pid 809] close(3) = 0 [pid 809] write(1, "executing program\n", 18executing program ) = 18 [pid 809] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 809] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 809] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 809] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 809] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 809] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 809] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 810 attached => {parent_tid=[810]}, 88) = 810 [pid 810] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 810] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 810] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 809] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 809] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 810] <... futex resumed>) = 0 [pid 810] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 809] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 810] <... socketpair resumed>[3, 4]) = 0 [pid 810] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 809] <... futex resumed>) = 0 [pid 809] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 809] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 809] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 809] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 810] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 809] rt_sigprocmask(SIG_BLOCK, ~[], [pid 810] <... sendmsg resumed>) = 0 [pid 809] <... rt_sigprocmask resumed>[], 8) = 0 [pid 810] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 809] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 810] <... sendmsg resumed>) = 0 [pid 809] <... clone3 resumed> => {parent_tid=[811]}, 88) = 811 [pid 809] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 809] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 809] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 811 attached [pid 811] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 811] rt_sigprocmask(SIG_SETMASK, [], [pid 810] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 811] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 811] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 810] <... sendmsg resumed>) = 0 [pid 811] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 810] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 809] <... futex resumed>) = 0 [pid 811] <... futex resumed>) = 1 [pid 811] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 810] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 810] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 810] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 810] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 810] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 810] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 810] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 810] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 810] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 810] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 810] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 810] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 810] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 810] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 810] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 810] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 810] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 810] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 810] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 810] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 810] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 810] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 810] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 810] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 810] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 810] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 810] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 810] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 810] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 810] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 810] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 810] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 809] exit_group(0) = ? [pid 810] <... futex resumed>) = ? [pid 810] +++ exited with 0 +++ [pid 811] <... futex resumed>) = ? [pid 811] +++ exited with 0 +++ [pid 809] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=809, si_uid=0, si_status=0, 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 812 attached , child_tidptr=0x55558059c690) = 812 [pid 812] set_robust_list(0x55558059c6a0, 24) = 0 [pid 812] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 812] setpgid(0, 0) = 0 [pid 812] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 812] write(3, "1000", 4) = 4 [pid 812] close(3) = 0 [pid 812] write(1, "executing program\n", 18executing program ) = 18 [pid 812] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 812] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 812] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 812] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 812] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 812] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 812] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 813 attached [pid 813] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 813] rt_sigprocmask(SIG_SETMASK, [], [pid 812] <... clone3 resumed> => {parent_tid=[813]}, 88) = 813 [pid 813] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 813] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 812] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 812] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 813] <... futex resumed>) = 0 [pid 812] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 813] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 813] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 813] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 812] <... futex resumed>) = 0 [pid 812] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 813] <... futex resumed>) = 0 [pid 813] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 813] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 813] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 813] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 812] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 813] <... sendmsg resumed>) = 0 [pid 813] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 813] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 813] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 813] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 813] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 813] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 813] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 813] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 812] <... futex resumed>) = 0 [pid 813] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 812] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 813] <... sendmsg resumed>) = 0 [pid 812] <... mmap resumed>) = 0x7f6b2567d000 [pid 813] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 812] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 813] <... sendmsg resumed>) = 0 [pid 813] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 812] rt_sigprocmask(SIG_BLOCK, ~[], [pid 813] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 812] <... rt_sigprocmask resumed>[], 8) = 0 [pid 812] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 813] <... sendmsg resumed>) = 0 [pid 813] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 813] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 812] <... clone3 resumed> => {parent_tid=[814]}, 88) = 814 [pid 812] rt_sigprocmask(SIG_SETMASK, [], [pid 813] <... sendmsg resumed>) = 0 [pid 812] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 813] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 812] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 812] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 813] <... sendmsg resumed>) = 0 [pid 813] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 813] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 813] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 813] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 813] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 813] 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 814 attached [pid 813] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 813] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 813] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 813] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 813] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 813] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 814] set_robust_list(0x7f6b2569d9a0, 24 [pid 813] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 813] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 813] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 813] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 814] <... set_robust_list resumed>) = 0 [pid 814] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 814] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 814] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 812] <... futex resumed>) = 0 [pid 812] exit_group(0) = ? [pid 814] +++ exited with 0 +++ [pid 813] <... futex resumed>) = ? [pid 813] +++ exited with 0 +++ [pid 812] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=812, 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 815 attached , child_tidptr=0x55558059c690) = 815 [pid 815] set_robust_list(0x55558059c6a0, 24) = 0 [pid 815] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 815] setpgid(0, 0) = 0 [pid 815] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 815] write(3, "1000", 4) = 4 [pid 815] close(3) = 0 [pid 815] write(1, "executing program\n", 18executing program ) = 18 [pid 815] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 815] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 815] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 815] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 815] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 815] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 815] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 816 attached => {parent_tid=[816]}, 88) = 816 [pid 816] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 816] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 816] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 815] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 815] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 816] <... futex resumed>) = 0 [pid 815] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 816] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 816] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 816] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 815] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 815] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 816] <... futex resumed>) = 0 [pid 816] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 816] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 816] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 816] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 816] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 816] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 815] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 816] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 816] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 816] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 816] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 816] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 816] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 816] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 816] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 815] <... futex resumed>) = 0 [pid 816] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 816] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 816] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 816] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 816] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 816] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 816] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 816] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 816] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 816] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 816] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 816] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 816] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 816] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 816] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 816] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 815] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 816] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 815] <... mmap resumed>) = 0x7f6b2567d000 [pid 816] <... sendmsg resumed>) = 0 [pid 816] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 815] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 816] <... sendmsg resumed>) = 0 [pid 815] <... mprotect resumed>) = 0 [pid 816] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 815] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 815] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 816] <... sendmsg resumed>) = 0 [pid 815] <... clone3 resumed> => {parent_tid=[817]}, 88) = 817 [pid 816] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000 [pid 815] rt_sigprocmask(SIG_SETMASK, [], [pid 816] <... futex resumed>) = 0 [pid 815] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 816] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 815] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 815] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 817 attached [pid 817] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 817] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 817] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 817] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 815] <... futex resumed>) = 0 [pid 815] exit_group(0) = ? [pid 816] <... futex resumed>) = ? [pid 816] +++ exited with 0 +++ [pid 817] +++ exited with 0 +++ [pid 815] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=815, si_uid=0, si_status=0, 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 818 attached , child_tidptr=0x55558059c690) = 818 [pid 818] set_robust_list(0x55558059c6a0, 24) = 0 [pid 818] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 818] setpgid(0, 0) = 0 [pid 818] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 818] write(3, "1000", 4) = 4 [pid 818] close(3) = 0 [pid 818] write(1, "executing program\n", 18executing program ) = 18 [pid 818] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 818] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 818] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 818] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 818] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 818] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 818] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 819 attached => {parent_tid=[819]}, 88) = 819 [pid 819] set_robust_list(0x7f6b256be9a0, 24 [pid 818] rt_sigprocmask(SIG_SETMASK, [], [pid 819] <... set_robust_list resumed>) = 0 [pid 819] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 819] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 818] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 818] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 819] <... futex resumed>) = 0 [pid 819] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 818] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 819] <... socketpair resumed>[3, 4]) = 0 [pid 819] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 819] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 818] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 818] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 819] <... futex resumed>) = 0 [pid 819] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 818] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 818] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 819] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 818] <... mmap resumed>) = 0x7f6b2567d000 [pid 819] <... sendmsg resumed>) = 0 [pid 818] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 819] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 818] rt_sigprocmask(SIG_BLOCK, ~[], [pid 819] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 818] <... rt_sigprocmask resumed>[], 8) = 0 [pid 818] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 819] 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 820 attached [pid 820] set_robust_list(0x7f6b2569d9a0, 24 [pid 819] <... sendmsg resumed>) = 0 [pid 819] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 818] <... clone3 resumed> => {parent_tid=[820]}, 88) = 820 [pid 818] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 819] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 818] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000 [pid 819] <... sendmsg resumed>) = 0 [pid 818] <... futex resumed>) = 0 [pid 818] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 820] <... set_robust_list resumed>) = 0 [pid 819] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 819] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 819] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 819] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 819] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 820] rt_sigprocmask(SIG_SETMASK, [], [pid 819] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 820] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 819] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 820] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 819] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 819] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 819] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 820] <... setsockopt resumed>) = 0 [pid 820] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 818] <... futex resumed>) = 0 [pid 819] <... sendmsg resumed>) = 0 [pid 819] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 819] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 819] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 819] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 819] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 819] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 819] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 819] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 820] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 819] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 819] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 819] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 819] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 819] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 819] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 819] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 819] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 819] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 819] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 819] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 818] exit_group(0 [pid 820] <... futex resumed>) = 231 [pid 818] <... exit_group resumed>) = ? [pid 819] <... futex resumed>) = ? [pid 819] +++ exited with 0 +++ [pid 820] +++ exited with 0 +++ [pid 818] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=818, si_uid=0, si_status=0, 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 821 attached , child_tidptr=0x55558059c690) = 821 [pid 821] set_robust_list(0x55558059c6a0, 24) = 0 [pid 821] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 821] setpgid(0, 0) = 0 [pid 821] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 821] write(3, "1000", 4) = 4 [pid 821] close(3) = 0 executing program [pid 821] write(1, "executing program\n", 18) = 18 [pid 821] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 821] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 821] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 821] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 821] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 821] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 821] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 822 attached [pid 822] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 822] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 822] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 821] <... clone3 resumed> => {parent_tid=[822]}, 88) = 822 [pid 821] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 821] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 822] <... futex resumed>) = 0 [pid 821] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 822] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 822] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 822] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 821] <... futex resumed>) = 0 [pid 821] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 822] <... futex resumed>) = 0 [pid 822] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 821] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 822] <... sendmsg resumed>) = 0 [pid 822] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 822] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 822] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 822] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 822] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 822] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 822] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 822] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 822] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 822] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 822] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 822] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 822] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 822] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 821] <... futex resumed>) = 0 [pid 822] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 821] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 822] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 821] <... mmap resumed>) = 0x7f6b2567d000 [pid 821] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 822] <... sendmsg resumed>) = 0 [pid 821] <... mprotect resumed>) = 0 [pid 822] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 821] rt_sigprocmask(SIG_BLOCK, ~[], [pid 822] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 821] <... rt_sigprocmask resumed>[], 8) = 0 [pid 822] <... sendmsg resumed>) = 0 [pid 822] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 821] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 822] <... sendmsg resumed>) = 0 [pid 822] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 822] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 821] <... clone3 resumed> => {parent_tid=[823]}, 88) = 823 [pid 822] <... sendmsg resumed>) = 0 [pid 821] rt_sigprocmask(SIG_SETMASK, [], [pid 822] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 821] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 821] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 822] <... sendmsg resumed>) = 0 [pid 821] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 822] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 822] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 822] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 822] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 822] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 822] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 822] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 822] 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 823 attached [pid 822] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 822] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 822] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 822] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 823] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 823] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 823] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 823] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 821] <... futex resumed>) = 0 [pid 821] exit_group(0) = ? [pid 822] <... futex resumed>) = ? [pid 822] +++ exited with 0 +++ [pid 823] +++ exited with 0 +++ [pid 821] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=821, si_uid=0, si_status=0, 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 824 attached , child_tidptr=0x55558059c690) = 824 [pid 824] set_robust_list(0x55558059c6a0, 24) = 0 [pid 824] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 824] setpgid(0, 0) = 0 [pid 824] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 824] write(3, "1000", 4) = 4 [pid 824] close(3) = 0 [pid 824] write(1, "executing program\n", 18executing program ) = 18 [pid 824] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 824] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 824] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 824] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 824] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 824] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 824] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 825 attached => {parent_tid=[825]}, 88) = 825 [pid 825] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 825] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 825] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 824] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 824] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 825] <... futex resumed>) = 0 [pid 825] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 824] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 825] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 825] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 824] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 824] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 825] <... futex resumed>) = 0 [pid 825] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 825] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 825] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 825] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 825] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 825] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 825] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 825] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 825] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 825] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 825] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 824] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 825] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 825] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 825] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 824] <... futex resumed>) = 0 [pid 825] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 825] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 825] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 825] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 825] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 825] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 824] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 825] <... sendmsg resumed>) = 0 [pid 825] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 825] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 824] <... mmap resumed>) = 0x7f6b2567d000 [pid 825] <... sendmsg resumed>) = 0 [pid 825] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 824] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 825] <... sendmsg resumed>) = 0 [pid 824] <... mprotect resumed>) = 0 [pid 825] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 824] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 824] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 825] <... sendmsg resumed>) = 0 [pid 825] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 825] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 825] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 825] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 825] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 825] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 825] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 825] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 824] <... clone3 resumed> => {parent_tid=[826]}, 88) = 826 [pid 824] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 825] <... sendmsg resumed>) = 0 [pid 824] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000 [pid 825] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 824] <... futex resumed>) = 0 [pid 824] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 825] <... sendmsg resumed>) = 0 [pid 825] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 825] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 826 attached [pid 826] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 826] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 826] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 826] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 824] <... futex resumed>) = 0 [pid 824] exit_group(0) = ? [pid 825] <... futex resumed>) = ? [pid 825] +++ exited with 0 +++ [pid 826] +++ exited with 0 +++ [pid 824] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=824, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 827 ./strace-static-x86_64: Process 827 attached [pid 827] set_robust_list(0x55558059c6a0, 24) = 0 [pid 827] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 827] setpgid(0, 0) = 0 [pid 827] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 827] write(3, "1000", 4) = 4 [pid 827] close(3) = 0 [pid 827] write(1, "executing program\n", 18executing program ) = 18 [pid 827] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 827] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 827] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 827] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 827] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 827] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 827] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 828 attached => {parent_tid=[828]}, 88) = 828 [pid 828] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 828] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 828] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 827] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 827] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 828] <... futex resumed>) = 0 [pid 828] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 827] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 828] <... socketpair resumed>[3, 4]) = 0 [pid 828] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 828] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 827] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 827] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 828] <... futex resumed>) = 0 [pid 828] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 828] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 828] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 828] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 828] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 828] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 828] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 828] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 828] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 828] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 828] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 828] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 828] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 828] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 828] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 828] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 828] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 828] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 827] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 828] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 828] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 828] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 828] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 828] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 828] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 828] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 828] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 828] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 828] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 828] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 828] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 828] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 827] <... futex resumed>) = 0 [pid 828] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 827] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 828] <... sendmsg resumed>) = 0 [pid 827] <... mmap resumed>) = 0x7f6b2567d000 [pid 828] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 827] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 828] <... sendmsg resumed>) = 0 [pid 827] <... mprotect resumed>) = 0 [pid 828] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000 [pid 827] rt_sigprocmask(SIG_BLOCK, ~[], [pid 828] <... futex resumed>) = 0 [pid 827] <... rt_sigprocmask resumed>[], 8) = 0 [pid 828] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 827] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0}./strace-static-x86_64: Process 829 attached => {parent_tid=[829]}, 88) = 829 [pid 829] set_robust_list(0x7f6b2569d9a0, 24 [pid 827] rt_sigprocmask(SIG_SETMASK, [], [pid 829] <... set_robust_list resumed>) = 0 [pid 827] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 829] rt_sigprocmask(SIG_SETMASK, [], [pid 827] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000 [pid 829] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 827] <... futex resumed>) = 0 [pid 829] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 827] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 829] <... setsockopt resumed>) = 0 [pid 829] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 827] <... futex resumed>) = 0 [pid 829] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 827] exit_group(0) = ? [pid 828] <... futex resumed>) = ? [pid 829] <... futex resumed>) = ? [pid 828] +++ exited with 0 +++ [pid 829] +++ exited with 0 +++ [pid 827] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=827, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 830 ./strace-static-x86_64: Process 830 attached [pid 830] set_robust_list(0x55558059c6a0, 24) = 0 [pid 830] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 830] setpgid(0, 0) = 0 [pid 830] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 830] write(3, "1000", 4executing program ) = 4 [pid 830] close(3) = 0 [pid 830] write(1, "executing program\n", 18) = 18 [pid 830] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 830] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 830] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 830] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 830] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 830] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 830] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 831 attached [pid 831] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 831] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 831] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 830] <... clone3 resumed> => {parent_tid=[831]}, 88) = 831 [pid 830] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 830] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 831] <... futex resumed>) = 0 [pid 831] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 831] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 831] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 830] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 830] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 831] <... futex resumed>) = 0 [pid 831] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 831] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 831] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 831] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 831] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 831] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 831] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 831] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 831] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 831] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 831] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 831] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 830] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 831] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 831] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 831] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 831] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 831] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 831] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 830] <... futex resumed>) = 0 [pid 831] <... sendmsg resumed>) = 0 [pid 831] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 831] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 831] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 831] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 831] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 831] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 830] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 831] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 831] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 831] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 831] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 831] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 831] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 831] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 831] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 831] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 831] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 831] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 830] <... mmap resumed>) = 0x7f6b2567d000 [pid 830] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 830] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 830] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0}./strace-static-x86_64: Process 832 attached [pid 832] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 832] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 832] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 830] <... clone3 resumed> => {parent_tid=[832]}, 88) = 832 [pid 830] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 830] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 832] <... futex resumed>) = 0 [pid 832] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 832] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 832] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 830] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 830] exit_group(0 [pid 831] <... futex resumed>) = ? [pid 830] <... exit_group resumed>) = ? [pid 831] +++ exited with 0 +++ [pid 832] <... futex resumed>) = ? [pid 832] +++ exited with 0 +++ [pid 830] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=830, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 833 ./strace-static-x86_64: Process 833 attached [pid 833] set_robust_list(0x55558059c6a0, 24) = 0 [pid 833] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 833] setpgid(0, 0) = 0 [pid 833] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 833] write(3, "1000", 4) = 4 [pid 833] close(3) = 0 [pid 833] write(1, "executing program\n", 18executing program ) = 18 [pid 833] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 833] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 833] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 833] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 833] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 833] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 833] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 834 attached => {parent_tid=[834]}, 88) = 834 [pid 834] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 834] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 834] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 833] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 833] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 834] <... futex resumed>) = 0 [pid 834] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 833] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 834] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 834] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 833] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 833] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 834] <... futex resumed>) = 0 [pid 834] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 834] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 834] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 834] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 834] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 833] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 834] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 834] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 834] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 834] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 834] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 834] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 834] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 834] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 834] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 833] <... futex resumed>) = 0 [pid 834] <... sendmsg resumed>) = 0 [pid 834] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 834] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 834] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 834] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 834] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 834] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 834] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 834] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 834] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 833] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 834] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 834] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 834] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 834] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 834] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 834] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 834] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 834] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 834] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 834] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 833] <... mmap resumed>) = 0x7f6b2567d000 [pid 834] <... sendmsg resumed>) = 0 [pid 834] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 834] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 833] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 833] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 833] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0}./strace-static-x86_64: Process 835 attached => {parent_tid=[835]}, 88) = 835 [pid 835] set_robust_list(0x7f6b2569d9a0, 24 [pid 833] rt_sigprocmask(SIG_SETMASK, [], [pid 835] <... set_robust_list resumed>) = 0 [pid 833] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 835] rt_sigprocmask(SIG_SETMASK, [], [pid 833] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000 [pid 835] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 833] <... futex resumed>) = 0 [pid 835] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 833] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 835] <... setsockopt resumed>) = 0 [pid 835] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 833] <... futex resumed>) = 0 [pid 833] exit_group(0 [pid 834] <... futex resumed>) = ? [pid 834] +++ exited with 0 +++ [pid 833] <... exit_group resumed>) = ? [pid 835] +++ exited with 0 +++ [pid 833] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=833, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 836 ./strace-static-x86_64: Process 836 attached [pid 836] set_robust_list(0x55558059c6a0, 24) = 0 [pid 836] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 836] setpgid(0, 0) = 0 [pid 836] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 836] write(3, "1000", 4) = 4 [pid 836] close(3) = 0 [pid 836] write(1, "executing program\n", 18executing program ) = 18 [pid 836] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 836] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 836] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 836] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 836] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 836] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 836] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 837 attached [pid 837] set_robust_list(0x7f6b256be9a0, 24 [pid 836] <... clone3 resumed> => {parent_tid=[837]}, 88) = 837 [pid 837] <... set_robust_list resumed>) = 0 [pid 836] rt_sigprocmask(SIG_SETMASK, [], [pid 837] rt_sigprocmask(SIG_SETMASK, [], [pid 836] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 837] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 836] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000 [pid 837] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 836] <... futex resumed>) = 0 [pid 836] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 837] <... socketpair resumed>[3, 4]) = 0 [pid 837] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 836] <... futex resumed>) = 0 [pid 836] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 837] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 836] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 836] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 836] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 836] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 836] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0}./strace-static-x86_64: Process 838 attached [pid 837] <... sendmsg resumed>) = 0 [pid 836] <... clone3 resumed> => {parent_tid=[838]}, 88) = 838 [pid 836] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 836] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 836] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 838] set_robust_list(0x7f6b2569d9a0, 24 [pid 837] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 838] <... set_robust_list resumed>) = 0 [pid 838] rt_sigprocmask(SIG_SETMASK, [], [pid 837] <... sendmsg resumed>) = 0 [pid 838] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 837] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 838] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 837] <... sendmsg resumed>) = 0 [pid 838] <... setsockopt resumed>) = 0 [pid 837] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 838] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 837] <... sendmsg resumed>) = 0 [pid 838] <... futex resumed>) = 1 [pid 837] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 836] <... futex resumed>) = 0 [pid 838] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 837] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 837] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 837] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 837] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 837] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 837] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 837] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 837] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 837] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 837] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 837] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 837] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 837] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 837] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 837] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 837] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 837] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 837] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 837] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 837] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 837] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 837] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 837] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 837] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 837] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 837] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 837] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 837] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 837] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 837] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 837] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 836] exit_group(0 [pid 837] <... futex resumed>) = ? [pid 836] <... exit_group resumed>) = ? [pid 837] +++ exited with 0 +++ [pid 838] <... futex resumed>) = ? [pid 838] +++ exited with 0 +++ [pid 836] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=836, si_uid=0, si_status=0, 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 839 attached , child_tidptr=0x55558059c690) = 839 [pid 839] set_robust_list(0x55558059c6a0, 24) = 0 [pid 839] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 839] setpgid(0, 0) = 0 [pid 839] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 839] write(3, "1000", 4) = 4 [pid 839] close(3) = 0 [pid 839] write(1, "executing program\n", 18executing program ) = 18 [pid 839] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 839] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 839] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 839] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 839] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 839] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 839] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 840 attached [pid 840] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 840] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 840] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 839] <... clone3 resumed> => {parent_tid=[840]}, 88) = 840 [pid 839] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 839] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 840] <... futex resumed>) = 0 [pid 840] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 839] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 840] <... socketpair resumed>[3, 4]) = 0 [pid 840] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 839] <... futex resumed>) = 0 [pid 839] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 839] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 839] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 839] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 840] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 839] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 840] <... sendmsg resumed>) = 0 [pid 839] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 840] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 840] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 839] <... clone3 resumed> => {parent_tid=[841]}, 88) = 841 [pid 839] rt_sigprocmask(SIG_SETMASK, [], [pid 840] <... sendmsg resumed>) = 0 [pid 839] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 839] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 839] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 841 attached [pid 841] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 841] rt_sigprocmask(SIG_SETMASK, [], [pid 840] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 841] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 841] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 841] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 839] <... futex resumed>) = 0 [pid 841] <... futex resumed>) = 1 [pid 841] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 840] <... sendmsg resumed>) = 0 [pid 840] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 840] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 840] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 840] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 840] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 840] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 840] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 840] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 840] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 840] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 840] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 840] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 840] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 840] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 840] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 840] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 840] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 840] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 840] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 840] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 840] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 840] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 840] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 840] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 840] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 840] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 840] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 840] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 840] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 840] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 839] exit_group(0) = ? [pid 841] <... futex resumed>) = ? [pid 840] +++ exited with 0 +++ [pid 841] +++ exited with 0 +++ [pid 839] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=839, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 842 ./strace-static-x86_64: Process 842 attached [pid 842] set_robust_list(0x55558059c6a0, 24) = 0 [pid 842] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 842] setpgid(0, 0) = 0 [pid 842] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 842] write(3, "1000", 4) = 4 [pid 842] close(3) = 0 [pid 842] write(1, "executing program\n", 18executing program ) = 18 [pid 842] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 842] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 842] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 842] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 842] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 842] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 842] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 843 attached => {parent_tid=[843]}, 88) = 843 [pid 843] set_robust_list(0x7f6b256be9a0, 24 [pid 842] rt_sigprocmask(SIG_SETMASK, [], [pid 843] <... set_robust_list resumed>) = 0 [pid 842] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 843] rt_sigprocmask(SIG_SETMASK, [], [pid 842] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000 [pid 843] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 843] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 842] <... futex resumed>) = 0 [pid 842] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 843] <... socketpair resumed>[3, 4]) = 0 [pid 843] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 842] <... futex resumed>) = 0 [pid 842] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 842] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 842] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 842] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 842] rt_sigprocmask(SIG_BLOCK, ~[], [pid 843] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 842] <... rt_sigprocmask resumed>[], 8) = 0 [pid 842] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} => {parent_tid=[844]}, 88) = 844 [pid 842] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 842] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 842] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 844 attached [pid 844] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 844] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 844] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 844] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 842] <... futex resumed>) = 0 [pid 844] <... futex resumed>) = 1 [pid 844] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 843] <... sendmsg resumed>) = 0 [pid 843] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 843] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 843] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 843] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 843] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 843] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 843] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 843] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 843] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 843] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 843] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 843] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 843] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 843] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 843] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 843] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 843] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 843] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 843] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 843] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 843] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 843] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 843] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 843] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 843] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 843] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 843] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 843] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 843] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 843] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 843] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 843] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 843] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 843] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 842] exit_group(0 [pid 843] <... futex resumed>) = ? [pid 842] <... exit_group resumed>) = ? [pid 843] +++ exited with 0 +++ [pid 844] <... futex resumed>) = ? [pid 844] +++ exited with 0 +++ [pid 842] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=842, si_uid=0, si_status=0, 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 845 attached , child_tidptr=0x55558059c690) = 845 [pid 845] set_robust_list(0x55558059c6a0, 24) = 0 [pid 845] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 845] setpgid(0, 0) = 0 [pid 845] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 845] write(3, "1000", 4) = 4 [pid 845] close(3) = 0 [pid 845] write(1, "executing program\n", 18executing program ) = 18 [pid 845] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 845] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 845] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 845] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 845] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 845] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 845] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 846 attached => {parent_tid=[846]}, 88) = 846 [pid 846] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 846] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 846] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 845] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 845] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 846] <... futex resumed>) = 0 [pid 845] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 846] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 846] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 845] <... futex resumed>) = 0 [pid 845] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 845] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 845] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 845] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 845] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 845] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 846] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 845] <... clone3 resumed> => {parent_tid=[847]}, 88) = 847 ./strace-static-x86_64: Process 847 attached [pid 846] <... sendmsg resumed>) = 0 [pid 845] rt_sigprocmask(SIG_SETMASK, [], [pid 847] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 847] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 847] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 846] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 845] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 846] <... sendmsg resumed>) = 0 [pid 845] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000 [pid 846] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 845] <... futex resumed>) = 1 [pid 847] <... futex resumed>) = 0 [pid 847] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 847] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 847] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 845] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 846] <... sendmsg resumed>) = 0 [pid 846] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 845] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 846] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 846] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 846] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 846] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 846] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 846] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 846] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 846] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 846] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 846] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 846] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 846] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 846] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 846] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 846] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 846] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 846] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 846] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 846] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 846] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 846] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 846] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 846] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 846] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 846] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 846] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 846] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 846] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 846] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 846] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 846] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 846] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 845] exit_group(0 [pid 846] <... futex resumed>) = ? [pid 845] <... exit_group resumed>) = ? [pid 846] +++ exited with 0 +++ [pid 847] <... futex resumed>) = ? [pid 847] +++ exited with 0 +++ [pid 845] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=845, si_uid=0, si_status=0, 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 848 attached , child_tidptr=0x55558059c690) = 848 [pid 848] set_robust_list(0x55558059c6a0, 24) = 0 [pid 848] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 848] setpgid(0, 0) = 0 [pid 848] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 848] write(3, "1000", 4) = 4 [pid 848] close(3executing program ) = 0 [pid 848] write(1, "executing program\n", 18) = 18 [pid 848] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 848] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 848] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 848] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 848] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 848] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 848] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 849 attached [pid 849] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 849] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 849] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 848] <... clone3 resumed> => {parent_tid=[849]}, 88) = 849 [pid 848] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 848] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 849] <... futex resumed>) = 0 [pid 849] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 848] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 849] <... socketpair resumed>[3, 4]) = 0 [pid 849] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 849] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 848] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 848] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 849] <... futex resumed>) = 0 [pid 848] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 849] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 849] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 849] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 849] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 849] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 848] <... futex resumed>) = 0 [pid 849] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 849] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 849] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 849] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 849] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 849] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 849] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 849] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 849] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 849] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 849] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 849] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 849] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 849] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 849] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 849] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 848] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 849] <... sendmsg resumed>) = 0 [pid 849] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 848] <... mmap resumed>) = 0x7f6b2567d000 [pid 849] <... sendmsg resumed>) = 0 [pid 848] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 849] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 848] <... mprotect resumed>) = 0 [pid 849] <... sendmsg resumed>) = 0 [pid 849] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 848] rt_sigprocmask(SIG_BLOCK, ~[], [pid 849] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 848] <... rt_sigprocmask resumed>[], 8) = 0 [pid 848] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 849] <... sendmsg resumed>) = 0 [pid 849] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 849] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 848] <... clone3 resumed> => {parent_tid=[850]}, 88) = 850 [pid 848] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 849] <... sendmsg resumed>) = 0 [pid 848] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000 [pid 849] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 848] <... futex resumed>) = 0 [pid 848] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 849] <... sendmsg resumed>) = 0 [pid 849] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 849] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 849] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 849] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 849] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 849] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 849] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 850 attached [pid 850] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 850] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 850] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 850] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 848] <... futex resumed>) = 0 [pid 848] exit_group(0) = ? [pid 849] <... futex resumed>) = ? [pid 849] +++ exited with 0 +++ [pid 850] +++ exited with 0 +++ [pid 848] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=848, si_uid=0, si_status=0, 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 851 attached , child_tidptr=0x55558059c690) = 851 [pid 851] set_robust_list(0x55558059c6a0, 24) = 0 [pid 851] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 851] setpgid(0, 0) = 0 [pid 851] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 851] write(3, "1000", 4) = 4 [pid 851] close(3) = 0 [pid 851] write(1, "executing program\n", 18executing program ) = 18 [pid 851] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 851] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 851] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 851] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 851] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 851] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 851] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 852 attached => {parent_tid=[852]}, 88) = 852 [pid 852] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 852] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 852] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 851] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 851] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 852] <... futex resumed>) = 0 [pid 852] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 851] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 852] <... socketpair resumed>[3, 4]) = 0 [pid 852] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 852] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 851] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 851] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 852] <... futex resumed>) = 0 [pid 852] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 851] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 852] <... sendmsg resumed>) = 0 [pid 852] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 852] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 852] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 851] <... futex resumed>) = 0 [pid 852] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 851] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 852] <... sendmsg resumed>) = 0 [pid 852] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 852] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 852] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 852] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 852] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 851] <... mmap resumed>) = 0x7f6b2567d000 [pid 852] <... sendmsg resumed>) = 0 [pid 852] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 852] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 852] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 851] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 852] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 851] <... mprotect resumed>) = 0 [pid 852] <... sendmsg resumed>) = 0 [pid 852] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 851] rt_sigprocmask(SIG_BLOCK, ~[], [pid 852] <... sendmsg resumed>) = 0 [pid 852] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 851] <... rt_sigprocmask resumed>[], 8) = 0 [pid 852] <... sendmsg resumed>) = 0 [pid 851] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 852] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 851] <... clone3 resumed> => {parent_tid=[853]}, 88) = 853 [pid 852] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 851] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 853 attached [pid 853] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 853] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 852] <... sendmsg resumed>) = 0 [pid 851] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 852] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 851] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000 [pid 852] <... sendmsg resumed>) = 0 [pid 851] <... futex resumed>) = 0 [pid 853] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 853] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 853] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 852] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 851] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 852] <... sendmsg resumed>) = 0 [pid 852] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 852] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 852] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 852] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 852] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 852] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 852] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 852] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 852] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 852] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 852] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 852] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 852] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 852] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 852] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 851] exit_group(0) = ? [pid 852] <... futex resumed>) = ? [pid 852] +++ exited with 0 +++ [pid 853] <... futex resumed>) = ? [pid 853] +++ exited with 0 +++ [pid 851] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=851, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 854 ./strace-static-x86_64: Process 854 attached [pid 854] set_robust_list(0x55558059c6a0, 24) = 0 [pid 854] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 854] setpgid(0, 0) = 0 [pid 854] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 854] write(3, "1000", 4) = 4 [pid 854] close(3) = 0 [pid 854] write(1, "executing program\n", 18executing program ) = 18 [pid 854] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 854] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 854] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 854] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 854] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 854] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 854] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 855 attached => {parent_tid=[855]}, 88) = 855 [pid 855] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 855] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 855] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 854] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 854] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 855] <... futex resumed>) = 0 [pid 854] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 855] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 855] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 854] <... futex resumed>) = 0 [pid 854] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 854] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 854] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 854] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 855] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 854] <... mprotect resumed>) = 0 [pid 854] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 854] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 855] <... sendmsg resumed>) = 0 [pid 855] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 854] <... clone3 resumed> => {parent_tid=[856]}, 88) = 856 [pid 854] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 854] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 854] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 856 attached [pid 856] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 856] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 856] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 856] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 855] <... sendmsg resumed>) = 0 [pid 854] <... futex resumed>) = 0 [pid 856] <... futex resumed>) = 1 [pid 856] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 855] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 855] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 855] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 855] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 855] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 855] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 855] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 855] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 855] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 855] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 855] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 855] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 855] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 855] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 855] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 855] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 855] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 855] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 855] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 855] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 855] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 855] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 855] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 855] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 855] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 855] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 855] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 855] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 855] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 855] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 855] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 855] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 855] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 854] exit_group(0 [pid 855] <... futex resumed>) = ? [pid 854] <... exit_group resumed>) = ? [pid 855] +++ exited with 0 +++ [pid 856] <... futex resumed>) = ? [pid 856] +++ exited with 0 +++ [pid 854] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=854, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 857 ./strace-static-x86_64: Process 857 attached [pid 857] set_robust_list(0x55558059c6a0, 24) = 0 [pid 857] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 857] setpgid(0, 0) = 0 [pid 857] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 857] write(3, "1000", 4) = 4 [pid 857] close(3) = 0 [pid 857] write(1, "executing program\n", 18executing program ) = 18 [pid 857] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 857] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 857] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 857] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 857] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 857] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 857] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 858 attached => {parent_tid=[858]}, 88) = 858 [pid 858] set_robust_list(0x7f6b256be9a0, 24 [pid 857] rt_sigprocmask(SIG_SETMASK, [], [pid 858] <... set_robust_list resumed>) = 0 [pid 857] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 857] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000 [pid 858] rt_sigprocmask(SIG_SETMASK, [], [pid 857] <... futex resumed>) = 0 [pid 858] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 857] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 858] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 858] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 857] <... futex resumed>) = 0 [pid 857] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 857] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 857] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 857] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 857] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 857] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} => {parent_tid=[859]}, 88) = 859 [pid 857] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 857] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 857] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 859 attached [pid 859] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 859] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 859] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 859] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 857] <... futex resumed>) = 0 [pid 859] <... futex resumed>) = 1 [pid 859] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 858] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 858] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 858] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 858] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 858] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 858] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 858] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 858] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 858] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 858] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 858] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 858] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 858] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 858] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 858] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 858] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 858] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 858] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 858] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 858] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 858] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 858] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 858] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 858] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 858] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 858] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 858] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 858] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 858] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 858] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 858] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 858] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 858] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 858] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 858] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 857] exit_group(0 [pid 859] <... futex resumed>) = ? [pid 857] <... exit_group resumed>) = ? [pid 859] +++ exited with 0 +++ [pid 858] <... futex resumed>) = ? [pid 858] +++ exited with 0 +++ [pid 857] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=857, si_uid=0, si_status=0, 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 860 attached , child_tidptr=0x55558059c690) = 860 [pid 860] set_robust_list(0x55558059c6a0, 24) = 0 [pid 860] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 860] setpgid(0, 0) = 0 [pid 860] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 860] write(3, "1000", 4) = 4 [pid 860] close(3) = 0 executing program [pid 860] write(1, "executing program\n", 18) = 18 [pid 860] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 860] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 860] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 860] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 860] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 860] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 860] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 861 attached [pid 861] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 861] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 861] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 860] <... clone3 resumed> => {parent_tid=[861]}, 88) = 861 [pid 860] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 860] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 861] <... futex resumed>) = 0 [pid 861] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 860] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 861] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 861] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 860] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 860] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 861] <... futex resumed>) = 0 [pid 861] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 861] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 861] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 861] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 861] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 861] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 861] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 861] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 861] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 861] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 861] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 861] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 861] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 861] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 861] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 861] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 861] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 860] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 861] <... sendmsg resumed>) = 0 [pid 860] <... futex resumed>) = 0 [pid 861] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 860] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 861] <... sendmsg resumed>) = 0 [pid 860] <... mmap resumed>) = 0x7f6b2567d000 [pid 861] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 860] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 861] <... sendmsg resumed>) = 0 [pid 861] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 860] <... mprotect resumed>) = 0 [pid 861] <... sendmsg resumed>) = 0 [pid 860] rt_sigprocmask(SIG_BLOCK, ~[], [pid 861] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 860] <... rt_sigprocmask resumed>[], 8) = 0 [pid 860] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 861] <... sendmsg resumed>) = 0 [pid 861] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 861] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 861] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 860] <... clone3 resumed> => {parent_tid=[862]}, 88) = 862 [pid 861] <... sendmsg resumed>) = 0 [pid 860] rt_sigprocmask(SIG_SETMASK, [], [pid 861] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 860] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 861] <... sendmsg resumed>) = 0 [pid 860] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000 [pid 861] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 860] <... futex resumed>) = 0 [pid 860] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 861] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 861] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 861] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 861] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 861] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 861] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 861] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 861] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 861] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 862 attached [pid 862] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 862] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 862] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 862] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 860] <... futex resumed>) = 0 [pid 860] exit_group(0) = ? [pid 861] <... futex resumed>) = ? [pid 862] +++ exited with 0 +++ [pid 861] +++ exited with 0 +++ [pid 860] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=860, si_uid=0, si_status=0, 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 863 attached , child_tidptr=0x55558059c690) = 863 [pid 863] set_robust_list(0x55558059c6a0, 24) = 0 [pid 863] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 863] setpgid(0, 0) = 0 [pid 863] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 863] write(3, "1000", 4) = 4 [pid 863] close(3) = 0 [pid 863] write(1, "executing program\n", 18executing program ) = 18 [pid 863] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 863] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 863] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 863] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 863] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 863] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 863] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 864 attached => {parent_tid=[864]}, 88) = 864 [pid 864] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 864] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 864] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 863] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 863] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 864] <... futex resumed>) = 0 [pid 864] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 863] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 864] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 864] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 863] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 863] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 864] <... futex resumed>) = 0 [pid 864] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 863] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 864] <... sendmsg resumed>) = 0 [pid 864] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 864] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 864] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 864] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 863] <... futex resumed>) = 0 [pid 864] <... sendmsg resumed>) = 0 [pid 863] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 864] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 864] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 864] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 864] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 864] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 864] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 864] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 864] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 864] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 863] <... mmap resumed>) = 0x7f6b2567d000 [pid 864] <... sendmsg resumed>) = 0 [pid 863] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 864] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 864] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 864] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 864] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 864] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 864] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 863] <... mprotect resumed>) = 0 [pid 864] <... sendmsg resumed>) = 0 [pid 863] rt_sigprocmask(SIG_BLOCK, ~[], [pid 864] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 863] <... rt_sigprocmask resumed>[], 8) = 0 [pid 864] <... sendmsg resumed>) = 0 [pid 864] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 863] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 864] <... sendmsg resumed>) = 0 [pid 864] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 864] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 863] <... clone3 resumed> => {parent_tid=[865]}, 88) = 865 [pid 863] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 864] <... sendmsg resumed>) = 0 [pid 863] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000 [pid 864] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 863] <... futex resumed>) = 0 [pid 864] <... sendmsg resumed>) = 0 [pid 864] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 863] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 864] <... sendmsg resumed>) = 0 [pid 864] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 864] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 864] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 864] 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 865 attached [pid 864] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 865] set_robust_list(0x7f6b2569d9a0, 24 [pid 864] <... sendmsg resumed>) = 0 [pid 864] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 864] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 864] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 864] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 865] <... set_robust_list resumed>) = 0 [pid 865] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 865] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 865] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 863] <... futex resumed>) = 0 [pid 863] exit_group(0) = ? [pid 864] <... futex resumed>) = ? [pid 865] +++ exited with 0 +++ [pid 864] +++ exited with 0 +++ [pid 863] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=863, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 866 ./strace-static-x86_64: Process 866 attached [pid 866] set_robust_list(0x55558059c6a0, 24) = 0 [pid 866] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 866] setpgid(0, 0) = 0 [pid 866] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 866] write(3, "1000", 4) = 4 [pid 866] close(3) = 0 [pid 866] write(1, "executing program\n", 18executing program ) = 18 [pid 866] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 866] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 866] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 866] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 866] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 866] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 866] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 867 attached => {parent_tid=[867]}, 88) = 867 [pid 867] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 867] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 867] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 866] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 866] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 867] <... futex resumed>) = 0 [pid 867] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 866] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 867] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 867] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 866] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 866] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 867] <... futex resumed>) = 0 [pid 866] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 867] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 867] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 867] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 867] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 867] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 866] <... futex resumed>) = 0 [pid 867] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 867] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 867] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 867] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 867] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 867] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 867] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 867] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 867] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 867] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 867] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 867] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 867] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 867] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 867] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 867] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 867] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 867] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 866] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 867] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 866] <... mmap resumed>) = 0x7f6b2567d000 [pid 867] <... sendmsg resumed>) = 0 [pid 867] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 866] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 867] <... sendmsg resumed>) = 0 [pid 866] <... mprotect resumed>) = 0 [pid 867] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 866] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 866] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 867] <... sendmsg resumed>) = 0 [pid 867] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 867] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 867] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 866] <... clone3 resumed> => {parent_tid=[868]}, 88) = 868 [pid 867] <... sendmsg resumed>) = 0 [pid 866] rt_sigprocmask(SIG_SETMASK, [], [pid 867] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 866] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 867] <... sendmsg resumed>) = 0 [pid 867] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 866] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 867] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 866] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 867] <... sendmsg resumed>) = 0 [pid 867] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 867] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 867] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 868 attached [pid 868] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 868] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 868] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 868] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 866] <... futex resumed>) = 0 [pid 866] exit_group(0) = ? [pid 867] <... futex resumed>) = ? [pid 867] +++ exited with 0 +++ [pid 868] +++ exited with 0 +++ [pid 866] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=866, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 869 ./strace-static-x86_64: Process 869 attached [pid 869] set_robust_list(0x55558059c6a0, 24) = 0 [pid 869] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 869] setpgid(0, 0) = 0 [pid 869] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 869] write(3, "1000", 4) = 4 [pid 869] close(3) = 0 [pid 869] write(1, "executing program\n", 18executing program ) = 18 [pid 869] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 869] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 869] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 869] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 869] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 869] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 869] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 870 attached => {parent_tid=[870]}, 88) = 870 [pid 870] set_robust_list(0x7f6b256be9a0, 24 [pid 869] rt_sigprocmask(SIG_SETMASK, [], [pid 870] <... set_robust_list resumed>) = 0 [pid 870] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 870] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 869] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 869] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 870] <... futex resumed>) = 0 [pid 870] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 869] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 870] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 870] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 869] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 869] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 870] <... futex resumed>) = 0 [pid 870] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 870] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 870] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 869] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 870] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 870] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 869] <... futex resumed>) = 0 [pid 870] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 870] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 869] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 870] <... sendmsg resumed>) = 0 [pid 870] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 869] <... mmap resumed>) = 0x7f6b2567d000 [pid 870] <... sendmsg resumed>) = 0 [pid 870] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 870] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 870] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 869] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 870] <... sendmsg resumed>) = 0 [pid 869] <... mprotect resumed>) = 0 [pid 870] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 870] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 870] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 869] rt_sigprocmask(SIG_BLOCK, ~[], [pid 870] <... sendmsg resumed>) = 0 [pid 869] <... rt_sigprocmask resumed>[], 8) = 0 [pid 870] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 870] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 870] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 870] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 870] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 870] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 870] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 869] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 870] <... sendmsg resumed>) = 0 [pid 870] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 869] <... clone3 resumed> => {parent_tid=[871]}, 88) = 871 [pid 869] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 869] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 870] <... sendmsg resumed>) = 0 [pid 869] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 870] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 870] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 870] 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 871 attached [pid 871] set_robust_list(0x7f6b2569d9a0, 24 [pid 870] <... sendmsg resumed>) = 0 [pid 870] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 870] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 871] <... set_robust_list resumed>) = 0 [pid 870] <... sendmsg resumed>) = 0 [pid 870] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 870] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 871] rt_sigprocmask(SIG_SETMASK, [], [pid 870] <... sendmsg resumed>) = 0 [pid 870] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 870] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 871] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 870] <... sendmsg resumed>) = 0 [pid 870] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 870] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 871] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 870] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 870] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 871] <... setsockopt resumed>) = 0 [pid 871] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 869] <... futex resumed>) = 0 [pid 869] exit_group(0) = ? [pid 871] +++ exited with 0 +++ [pid 870] <... futex resumed>) = ? [pid 870] +++ exited with 0 +++ [pid 869] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=869, si_uid=0, si_status=0, 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 872 attached , child_tidptr=0x55558059c690) = 872 [pid 872] set_robust_list(0x55558059c6a0, 24) = 0 [pid 872] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 872] setpgid(0, 0) = 0 [pid 872] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 872] write(3, "1000", 4executing program ) = 4 [pid 872] close(3) = 0 [pid 872] write(1, "executing program\n", 18) = 18 [pid 872] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 872] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 872] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 872] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 872] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 872] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 872] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 873 attached [pid 873] set_robust_list(0x7f6b256be9a0, 24 [pid 872] <... clone3 resumed> => {parent_tid=[873]}, 88) = 873 [pid 873] <... set_robust_list resumed>) = 0 [pid 872] rt_sigprocmask(SIG_SETMASK, [], [pid 873] rt_sigprocmask(SIG_SETMASK, [], [pid 872] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 873] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 872] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000 [pid 873] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 872] <... futex resumed>) = 0 [pid 872] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 873] <... socketpair resumed>[3, 4]) = 0 [pid 873] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 872] <... futex resumed>) = 0 [pid 872] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 872] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 872] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 872] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 872] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 872] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} => {parent_tid=[874]}, 88) = 874 [pid 873] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 872] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 872] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 872] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 874 attached [pid 874] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 874] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 874] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 874] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 872] <... futex resumed>) = 0 [pid 874] <... futex resumed>) = 1 [pid 874] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 873] <... sendmsg resumed>) = 0 [pid 873] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 873] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 873] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 873] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 873] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 873] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 873] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 873] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 873] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 873] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 873] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 873] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 873] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 873] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 873] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 873] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 873] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 873] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 873] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 873] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 873] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 873] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 873] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 873] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 873] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 873] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 873] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 873] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 873] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 873] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 873] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 873] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 873] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 873] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 872] exit_group(0) = ? [pid 873] <... futex resumed>) = ? [pid 873] +++ exited with 0 +++ [pid 874] <... futex resumed>) = ? [pid 874] +++ exited with 0 +++ [pid 872] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=872, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 875 ./strace-static-x86_64: Process 875 attached [pid 875] set_robust_list(0x55558059c6a0, 24) = 0 [pid 875] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 875] setpgid(0, 0) = 0 [pid 875] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 875] write(3, "1000", 4) = 4 [pid 875] close(3executing program ) = 0 [pid 875] write(1, "executing program\n", 18) = 18 [pid 875] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 875] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 875] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 875] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 875] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 875] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 875] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 876 attached [pid 876] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 875] <... clone3 resumed> => {parent_tid=[876]}, 88) = 876 [pid 876] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 876] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 875] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 875] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 876] <... futex resumed>) = 0 [pid 876] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 875] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 876] <... socketpair resumed>[3, 4]) = 0 [pid 876] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 876] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 875] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 875] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 875] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 876] <... futex resumed>) = 0 [pid 875] <... futex resumed>) = 0 [pid 876] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 875] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 876] <... sendmsg resumed>) = 0 [pid 875] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 876] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 875] <... mprotect resumed>) = 0 [pid 875] rt_sigprocmask(SIG_BLOCK, ~[], [pid 876] <... sendmsg resumed>) = 0 [pid 875] <... rt_sigprocmask resumed>[], 8) = 0 [pid 876] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 875] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 876] <... sendmsg resumed>) = 0 [pid 876] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 875] <... clone3 resumed> => {parent_tid=[877]}, 88) = 877 [pid 875] rt_sigprocmask(SIG_SETMASK, [], [pid 876] <... sendmsg resumed>) = 0 [pid 875] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 876] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 875] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 877 attached ) = 0 [pid 875] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 876] <... sendmsg resumed>) = 0 [pid 876] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 877] set_robust_list(0x7f6b2569d9a0, 24 [pid 876] <... sendmsg resumed>) = 0 [pid 876] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 876] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 876] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 877] <... set_robust_list resumed>) = 0 [pid 876] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 877] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 877] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 877] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 875] <... futex resumed>) = 0 [pid 877] <... futex resumed>) = 1 [pid 877] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 876] <... sendmsg resumed>) = 0 [pid 876] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 876] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 876] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 876] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 876] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 876] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 876] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 876] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 876] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 876] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 876] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 876] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 876] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 876] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 876] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 876] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 876] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 876] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 876] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 876] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 876] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 876] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 876] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 876] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 876] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 875] exit_group(0) = ? [pid 877] <... futex resumed>) = ? [pid 876] <... futex resumed>) = ? [pid 876] +++ exited with 0 +++ [pid 877] +++ exited with 0 +++ [pid 875] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=875, si_uid=0, si_status=0, 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 878 attached , child_tidptr=0x55558059c690) = 878 [pid 878] set_robust_list(0x55558059c6a0, 24) = 0 [pid 878] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 878] setpgid(0, 0) = 0 [pid 878] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 878] write(3, "1000", 4) = 4 [pid 878] close(3executing program ) = 0 [pid 878] write(1, "executing program\n", 18) = 18 [pid 878] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 878] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 878] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 878] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 878] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 878] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 878] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 879 attached [pid 879] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 879] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 879] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 878] <... clone3 resumed> => {parent_tid=[879]}, 88) = 879 [pid 878] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 878] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 879] <... futex resumed>) = 0 [pid 878] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 879] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 879] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 878] <... futex resumed>) = 0 [pid 878] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 878] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 878] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 878] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 878] rt_sigprocmask(SIG_BLOCK, ~[], [pid 879] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 878] <... rt_sigprocmask resumed>[], 8) = 0 [pid 878] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} => {parent_tid=[880]}, 88) = 880 [pid 879] <... sendmsg resumed>) = 0 [pid 878] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 878] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 878] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 880 attached [pid 880] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 880] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 880] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 880] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 878] <... futex resumed>) = 0 [pid 880] <... futex resumed>) = 1 [pid 879] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 880] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 879] <... sendmsg resumed>) = 0 [pid 879] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 879] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 879] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 879] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 879] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 879] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 879] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 879] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 879] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 879] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 879] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 879] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 879] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 879] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 879] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 879] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 879] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 879] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 879] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 879] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 879] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 879] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 879] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 879] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 879] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 879] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 879] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 879] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 879] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 879] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 879] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 879] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 879] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 878] exit_group(0 [pid 879] <... futex resumed>) = ? [pid 878] <... exit_group resumed>) = ? [pid 879] +++ exited with 0 +++ [pid 880] <... futex resumed>) = ? [pid 880] +++ exited with 0 +++ [pid 878] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=878, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 881 ./strace-static-x86_64: Process 881 attached [pid 881] set_robust_list(0x55558059c6a0, 24) = 0 [pid 881] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 881] setpgid(0, 0) = 0 [pid 881] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 881] write(3, "1000", 4) = 4 [pid 881] close(3) = 0 executing program [pid 881] write(1, "executing program\n", 18) = 18 [pid 881] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 881] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 881] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 881] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 881] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 881] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 881] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 882 attached => {parent_tid=[882]}, 88) = 882 [pid 882] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 882] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 882] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 881] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 881] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 882] <... futex resumed>) = 0 [pid 881] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 882] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 882] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 881] <... futex resumed>) = 0 [pid 882] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 881] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 881] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 881] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 881] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 881] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 881] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} => {parent_tid=[883]}, 88) = 883 [pid 881] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 881] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 881] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 883 attached [pid 883] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 883] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 883] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 883] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 881] <... futex resumed>) = 0 [pid 883] <... futex resumed>) = 1 [pid 882] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 883] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 882] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 882] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 882] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 882] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 882] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 882] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 882] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 882] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 882] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 882] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 882] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 882] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 882] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 882] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 882] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 882] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 882] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 882] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 882] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 882] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 882] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 882] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 882] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 882] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 882] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 882] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 882] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 882] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 882] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 882] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 882] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 882] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 882] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 882] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 882] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 881] exit_group(0 [pid 882] <... futex resumed>) = ? [pid 881] <... exit_group resumed>) = ? [pid 882] +++ exited with 0 +++ [pid 883] <... futex resumed>) = ? [pid 883] +++ exited with 0 +++ [pid 881] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=881, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 884 ./strace-static-x86_64: Process 884 attached [pid 884] set_robust_list(0x55558059c6a0, 24) = 0 [pid 884] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 884] setpgid(0, 0) = 0 [pid 884] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 884] write(3, "1000", 4) = 4 [pid 884] close(3) = 0 [pid 884] write(1, "executing program\n", 18executing program ) = 18 [pid 884] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 884] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 884] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 884] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 884] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 884] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 884] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 885 attached [pid 885] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 884] <... clone3 resumed> => {parent_tid=[885]}, 88) = 885 [pid 885] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 885] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 884] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 884] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 885] <... futex resumed>) = 0 [pid 885] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 885] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 885] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 884] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 884] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 885] <... futex resumed>) = 0 [pid 884] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 885] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 885] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 885] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 885] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 885] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 885] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 885] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 885] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 885] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 885] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 885] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 885] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 885] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 885] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 885] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 885] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 885] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 884] <... futex resumed>) = 0 [pid 885] <... sendmsg resumed>) = 0 [pid 884] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 885] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 884] <... mmap resumed>) = 0x7f6b2567d000 [pid 885] <... sendmsg resumed>) = 0 [pid 884] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 885] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 884] <... mprotect resumed>) = 0 [pid 885] <... sendmsg resumed>) = 0 [pid 885] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 884] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 884] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 885] <... sendmsg resumed>) = 0 [pid 885] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 885] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 884] <... clone3 resumed> => {parent_tid=[886]}, 88) = 886 [pid 884] rt_sigprocmask(SIG_SETMASK, [], [pid 885] <... sendmsg resumed>) = 0 [pid 884] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 886 attached [pid 884] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 885] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 884] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 885] <... sendmsg resumed>) = 0 [pid 885] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 885] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 885] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 885] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 885] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 885] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 885] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 885] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 885] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 885] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 886] set_robust_list(0x7f6b2569d9a0, 24 [pid 885] <... sendmsg resumed>) = 0 [pid 885] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 885] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 886] <... set_robust_list resumed>) = 0 [pid 886] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 886] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 886] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 886] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 884] <... futex resumed>) = 0 [pid 884] exit_group(0) = ? [pid 886] <... futex resumed>) = ? [pid 885] <... futex resumed>) = ? [pid 886] +++ exited with 0 +++ [pid 885] +++ exited with 0 +++ [pid 884] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=884, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 887 ./strace-static-x86_64: Process 887 attached [pid 887] set_robust_list(0x55558059c6a0, 24) = 0 [pid 887] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 887] setpgid(0, 0) = 0 [pid 887] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 887] write(3, "1000", 4) = 4 [pid 887] close(3) = 0 [pid 887] write(1, "executing program\n", 18executing program ) = 18 [pid 887] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 887] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 887] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 887] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 887] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 887] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 887] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 888 attached => {parent_tid=[888]}, 88) = 888 [pid 888] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 888] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 888] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 887] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 887] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 888] <... futex resumed>) = 0 [pid 888] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 887] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 888] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 888] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 887] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 887] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 888] <... futex resumed>) = 0 [pid 887] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 888] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 888] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 888] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 888] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 888] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 888] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 888] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 888] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 888] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 888] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 888] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 888] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 888] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 888] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 887] <... futex resumed>) = 0 [pid 888] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 887] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 888] <... sendmsg resumed>) = 0 [pid 888] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 888] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 888] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 888] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 888] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 888] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 888] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 888] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 888] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 888] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 888] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 888] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 888] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 888] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 888] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 888] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 888] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 888] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 888] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 888] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 887] <... mmap resumed>) = 0x7f6b2567d000 [pid 887] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 887] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 887] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0}./strace-static-x86_64: Process 889 attached => {parent_tid=[889]}, 88) = 889 [pid 889] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 887] rt_sigprocmask(SIG_SETMASK, [], [pid 889] rt_sigprocmask(SIG_SETMASK, [], [pid 887] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 889] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 887] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000 [pid 889] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 887] <... futex resumed>) = 0 [pid 887] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 889] <... setsockopt resumed>) = 0 [pid 889] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 889] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 887] <... futex resumed>) = 0 [pid 887] exit_group(0) = ? [pid 888] <... futex resumed>) = ? [pid 888] +++ exited with 0 +++ [pid 889] <... futex resumed>) = ? [pid 889] +++ exited with 0 +++ [pid 887] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=887, si_uid=0, si_status=0, 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 890 attached , child_tidptr=0x55558059c690) = 890 [pid 890] set_robust_list(0x55558059c6a0, 24) = 0 [pid 890] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 890] setpgid(0, 0) = 0 [pid 890] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 890] write(3, "1000", 4) = 4 [pid 890] close(3) = 0 [pid 890] write(1, "executing program\n", 18executing program ) = 18 [pid 890] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 890] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 890] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 890] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 890] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 890] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 890] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 891 attached => {parent_tid=[891]}, 88) = 891 [pid 890] rt_sigprocmask(SIG_SETMASK, [], [pid 891] set_robust_list(0x7f6b256be9a0, 24 [pid 890] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 890] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 890] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 891] <... set_robust_list resumed>) = 0 [pid 891] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 891] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 891] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 890] <... futex resumed>) = 0 [pid 890] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 890] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 890] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 890] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 890] rt_sigprocmask(SIG_BLOCK, ~[], [pid 891] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 890] <... rt_sigprocmask resumed>[], 8) = 0 [pid 890] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} => {parent_tid=[892]}, 88) = 892 [pid 890] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 890] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 890] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 892 attached [pid 892] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 892] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 892] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 892] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 890] <... futex resumed>) = 0 [pid 892] <... futex resumed>) = 1 [pid 892] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 891] <... sendmsg resumed>) = 0 [pid 891] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 891] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 891] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 891] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 891] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 891] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 891] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 891] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 891] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 891] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 891] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 891] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 891] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 891] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 891] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 891] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 891] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 891] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 891] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 891] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 891] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 891] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 891] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 891] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 891] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 891] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 891] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 891] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 891] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 891] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 891] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 891] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 891] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000 [pid 890] exit_group(0) = ? [pid 892] <... futex resumed>) = ? [pid 892] +++ exited with 0 +++ [pid 891] <... futex resumed>) = ? [pid 891] +++ exited with 0 +++ [pid 890] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=890, 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=0x55558059c690) = 893 ./strace-static-x86_64: Process 893 attached [pid 893] set_robust_list(0x55558059c6a0, 24) = 0 [pid 893] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 893] setpgid(0, 0) = 0 [pid 893] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 893] write(3, "1000", 4) = 4 [pid 893] close(3) = 0 [pid 893] write(1, "executing program\n", 18executing program ) = 18 [pid 893] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 893] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 893] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 893] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 893] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 893] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 893] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 894 attached => {parent_tid=[894]}, 88) = 894 [pid 894] set_robust_list(0x7f6b256be9a0, 24 [pid 893] rt_sigprocmask(SIG_SETMASK, [], [pid 894] <... set_robust_list resumed>) = 0 [pid 893] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 894] rt_sigprocmask(SIG_SETMASK, [], [pid 893] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000 [pid 894] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 893] <... futex resumed>) = 0 [pid 894] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 893] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 894] <... socketpair resumed>[3, 4]) = 0 [pid 894] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000 [pid 893] <... futex resumed>) = 0 [pid 894] <... futex resumed>) = 1 [pid 893] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000 [pid 894] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 893] <... futex resumed>) = 0 [pid 893] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 894] <... sendmsg resumed>) = 0 [pid 893] <... futex resumed>) = 0 [pid 894] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 893] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 894] <... sendmsg resumed>) = 0 [pid 893] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 894] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 893] <... mprotect resumed>) = 0 [pid 894] <... sendmsg resumed>) = 0 [pid 893] rt_sigprocmask(SIG_BLOCK, ~[], [pid 894] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 893] <... rt_sigprocmask resumed>[], 8) = 0 [pid 894] <... sendmsg resumed>) = 0 [pid 893] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 894] 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 895 attached ) = 0 [pid 893] <... clone3 resumed> => {parent_tid=[895]}, 88) = 895 [pid 895] set_robust_list(0x7f6b2569d9a0, 24 [pid 894] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 895] <... set_robust_list resumed>) = 0 [pid 893] rt_sigprocmask(SIG_SETMASK, [], [pid 895] rt_sigprocmask(SIG_SETMASK, [], [pid 894] <... sendmsg resumed>) = 0 [pid 893] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 895] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 894] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 895] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 893] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000 [pid 894] <... sendmsg resumed>) = 0 [pid 893] <... futex resumed>) = 0 [pid 895] <... setsockopt resumed>) = 0 [pid 894] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 893] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 895] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 893] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 895] <... futex resumed>) = 0 [pid 894] <... sendmsg resumed>) = 0 [pid 894] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 895] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 894] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 894] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 894] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 894] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 894] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 894] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 894] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 894] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 894] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 894] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 894] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 894] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 894] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 894] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 894] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 894] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 894] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 894] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 894] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 894] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 894] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 894] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 894] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 894] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 894] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 894] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 894] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 893] exit_group(0) = ? [pid 894] <... futex resumed>) = 231 [pid 895] <... futex resumed>) = ? [pid 894] +++ exited with 0 +++ [pid 895] +++ exited with 0 +++ [pid 893] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=893, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 896 ./strace-static-x86_64: Process 896 attached [pid 896] set_robust_list(0x55558059c6a0, 24) = 0 [pid 896] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 896] setpgid(0, 0) = 0 [pid 896] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 896] write(3, "1000", 4) = 4 [pid 896] close(3) = 0 [pid 896] write(1, "executing program\n", 18executing program ) = 18 [pid 896] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 896] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 896] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 896] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 896] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 896] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 896] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 897 attached => {parent_tid=[897]}, 88) = 897 [pid 897] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 897] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 897] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 896] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 896] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 897] <... futex resumed>) = 0 [pid 896] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 897] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 897] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 897] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 896] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 896] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 897] <... futex resumed>) = 0 [pid 897] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 897] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 897] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 897] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 897] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 897] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 896] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 897] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 897] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 897] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 897] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 896] <... futex resumed>) = 0 [pid 897] <... sendmsg resumed>) = 0 [pid 897] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 897] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 897] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 896] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 897] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 896] <... mmap resumed>) = 0x7f6b2567d000 [pid 897] <... sendmsg resumed>) = 0 [pid 897] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 896] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 897] <... sendmsg resumed>) = 0 [pid 896] <... mprotect resumed>) = 0 [pid 897] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 896] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 897] <... sendmsg resumed>) = 0 [pid 896] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 897] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 897] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 896] <... clone3 resumed> => {parent_tid=[898]}, 88) = 898 [pid 896] rt_sigprocmask(SIG_SETMASK, [], [pid 897] <... sendmsg resumed>) = 0 [pid 896] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 897] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 896] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 897] <... sendmsg resumed>) = 0 [pid 897] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 896] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 897] <... sendmsg resumed>) = 0 [pid 897] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 897] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 897] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 897] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 897] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 897] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 897] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 897] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 897] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 897] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 897] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 897] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 897] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 897] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 897] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 898 attached [pid 898] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 898] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 898] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 898] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 896] <... futex resumed>) = 0 [pid 896] exit_group(0) = ? [pid 897] <... futex resumed>) = ? [pid 897] +++ exited with 0 +++ [pid 898] +++ exited with 0 +++ [pid 896] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=896, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 899 ./strace-static-x86_64: Process 899 attached [pid 899] set_robust_list(0x55558059c6a0, 24) = 0 [pid 899] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 899] setpgid(0, 0) = 0 [pid 899] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 899] write(3, "1000", 4) = 4 [pid 899] close(3) = 0 executing program [pid 899] write(1, "executing program\n", 18) = 18 [pid 899] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 899] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 899] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 899] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 899] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 899] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 899] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 900 attached [pid 900] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 900] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 900] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 899] <... clone3 resumed> => {parent_tid=[900]}, 88) = 900 [pid 899] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 899] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 900] <... futex resumed>) = 0 [pid 900] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 899] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 900] <... socketpair resumed>[3, 4]) = 0 [pid 900] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 900] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 899] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 899] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000 [pid 900] <... futex resumed>) = 0 [pid 899] <... futex resumed>) = 1 [pid 900] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 900] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 900] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 900] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 900] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 900] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 900] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 900] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 900] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 899] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 900] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 900] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 899] <... futex resumed>) = 0 [pid 900] <... sendmsg resumed>) = 0 [pid 900] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 900] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 900] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 900] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 900] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 900] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 900] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 899] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 900] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 900] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 899] <... mmap resumed>) = 0x7f6b2567d000 [pid 899] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 900] <... sendmsg resumed>) = 0 [pid 899] <... mprotect resumed>) = 0 [pid 900] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 899] rt_sigprocmask(SIG_BLOCK, ~[], [pid 900] <... sendmsg resumed>) = 0 [pid 899] <... rt_sigprocmask resumed>[], 8) = 0 [pid 900] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 900] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 899] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 900] <... sendmsg resumed>) = 0 [pid 900] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 900] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 899] <... clone3 resumed> => {parent_tid=[901]}, 88) = 901 [pid 899] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 900] <... sendmsg resumed>) = 0 [pid 899] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000 [pid 900] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 899] <... futex resumed>) = 0 [pid 899] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 900] <... sendmsg resumed>) = 0 [pid 900] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 900] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 900] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 900] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 900] 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 901 attached ) = 0 [pid 900] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 900] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 901] set_robust_list(0x7f6b2569d9a0, 24 [pid 900] <... sendmsg resumed>) = 0 [pid 900] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 900] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 901] <... set_robust_list resumed>) = 0 [pid 901] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 901] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 901] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 899] <... futex resumed>) = 0 [pid 899] exit_group(0) = ? [pid 900] <... futex resumed>) = ? [pid 900] +++ exited with 0 +++ [pid 901] +++ exited with 0 +++ [pid 899] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=899, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 902 ./strace-static-x86_64: Process 902 attached [pid 902] set_robust_list(0x55558059c6a0, 24) = 0 [pid 902] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 902] setpgid(0, 0) = 0 [pid 902] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 902] write(3, "1000", 4) = 4 [pid 902] close(3) = 0 [pid 902] write(1, "executing program\n", 18executing program ) = 18 [pid 902] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 902] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 902] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 902] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 902] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 902] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 902] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 903 attached => {parent_tid=[903]}, 88) = 903 [pid 903] set_robust_list(0x7f6b256be9a0, 24 [pid 902] rt_sigprocmask(SIG_SETMASK, [], [pid 903] <... set_robust_list resumed>) = 0 [pid 903] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 903] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 902] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 902] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 903] <... futex resumed>) = 0 [pid 903] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 902] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 903] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 903] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 902] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 902] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 903] <... futex resumed>) = 0 [pid 903] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 902] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 903] <... sendmsg resumed>) = 0 [pid 903] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 903] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 903] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 902] <... futex resumed>) = 0 [pid 903] <... sendmsg resumed>) = 0 [pid 903] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 903] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 903] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 903] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 902] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 903] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 903] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 903] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 902] <... mmap resumed>) = 0x7f6b2567d000 [pid 903] <... sendmsg resumed>) = 0 [pid 902] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 903] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 903] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 903] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 902] <... mprotect resumed>) = 0 [pid 902] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 902] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 903] <... sendmsg resumed>) = 0 [pid 903] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 902] <... clone3 resumed> => {parent_tid=[904]}, 88) = 904 [pid 902] rt_sigprocmask(SIG_SETMASK, [], [pid 903] <... sendmsg resumed>) = 0 [pid 902] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 902] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 902] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 903] 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 904 attached ) = 0 [pid 903] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 904] set_robust_list(0x7f6b2569d9a0, 24 [pid 903] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 903] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 903] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 903] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 903] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 903] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 903] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 904] <... set_robust_list resumed>) = 0 [pid 904] rt_sigprocmask(SIG_SETMASK, [], [pid 903] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 904] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 903] <... sendmsg resumed>) = 0 [pid 904] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 903] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 904] <... setsockopt resumed>) = 0 [pid 903] <... sendmsg resumed>) = 0 [pid 904] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 903] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 904] <... futex resumed>) = 1 [pid 903] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 902] <... futex resumed>) = 0 [pid 904] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 903] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 903] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 903] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 903] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 903] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 903] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 903] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 903] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 902] exit_group(0) = ? [pid 904] <... futex resumed>) = ? [pid 903] <... futex resumed>) = ? [pid 904] +++ exited with 0 +++ [pid 903] +++ exited with 0 +++ [pid 902] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=902, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 905 ./strace-static-x86_64: Process 905 attached [pid 905] set_robust_list(0x55558059c6a0, 24) = 0 [pid 905] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 905] setpgid(0, 0) = 0 [pid 905] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 905] write(3, "1000", 4) = 4 [pid 905] close(3) = 0 [pid 905] write(1, "executing program\n", 18executing program ) = 18 [pid 905] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 905] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 905] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 905] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 905] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 905] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 905] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 906 attached => {parent_tid=[906]}, 88) = 906 [pid 906] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 905] rt_sigprocmask(SIG_SETMASK, [], [pid 906] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 906] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 905] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 905] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 906] <... futex resumed>) = 0 [pid 906] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 905] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 906] <... socketpair resumed>[3, 4]) = 0 [pid 906] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 905] <... futex resumed>) = 0 [pid 905] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 905] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 905] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 905] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 905] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 905] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} => {parent_tid=[907]}, 88) = 907 [pid 905] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 905] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 905] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 907 attached [pid 907] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 907] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 907] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 907] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 905] <... futex resumed>) = 0 [pid 907] <... futex resumed>) = 1 [pid 907] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 906] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 906] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 906] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 906] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 906] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 906] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 906] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 906] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 906] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 906] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 906] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 906] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 906] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 906] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 906] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 906] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 906] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 906] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 906] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 906] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 906] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 906] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 906] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 906] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 906] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 906] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 906] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 906] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 906] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 906] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 906] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 906] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 906] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 906] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 906] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 905] exit_group(0 [pid 906] <... futex resumed>) = ? [pid 905] <... exit_group resumed>) = ? [pid 906] +++ exited with 0 +++ [pid 907] <... futex resumed>) = ? [pid 907] +++ exited with 0 +++ [pid 905] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=905, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 908 ./strace-static-x86_64: Process 908 attached [pid 908] set_robust_list(0x55558059c6a0, 24) = 0 [pid 908] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 908] setpgid(0, 0) = 0 [pid 908] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 908] write(3, "1000", 4) = 4 [pid 908] close(3) = 0 [pid 908] write(1, "executing program\n", 18executing program ) = 18 [pid 908] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 908] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 908] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 908] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 908] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 908] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 908] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 909 attached => {parent_tid=[909]}, 88) = 909 [pid 909] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 908] rt_sigprocmask(SIG_SETMASK, [], [pid 909] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 909] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 908] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 908] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 909] <... futex resumed>) = 0 [pid 909] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 908] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 909] <... socketpair resumed>[3, 4]) = 0 [pid 909] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 909] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 908] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 908] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 909] <... futex resumed>) = 0 [pid 909] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 909] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 909] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 908] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 909] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 909] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 909] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 909] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 908] <... futex resumed>) = 0 [pid 909] <... sendmsg resumed>) = 0 [pid 909] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 909] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 908] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 909] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 909] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 908] <... mmap resumed>) = 0x7f6b2567d000 [pid 909] <... sendmsg resumed>) = 0 [pid 909] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 909] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 909] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 908] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 909] <... sendmsg resumed>) = 0 [pid 909] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 908] <... mprotect resumed>) = 0 [pid 909] <... sendmsg resumed>) = 0 [pid 909] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 909] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 909] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 909] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 909] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 908] rt_sigprocmask(SIG_BLOCK, ~[], [pid 909] <... sendmsg resumed>) = 0 [pid 909] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 909] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 908] <... rt_sigprocmask resumed>[], 8) = 0 [pid 909] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 909] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 908] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 909] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 909] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 909] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 909] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 909] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 909] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 909] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 909] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 908] <... clone3 resumed> => {parent_tid=[910]}, 88) = 910 [pid 909] <... sendmsg resumed>) = 0 [pid 909] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 909] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 909] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 910 attached [pid 908] rt_sigprocmask(SIG_SETMASK, [], [pid 910] set_robust_list(0x7f6b2569d9a0, 24 [pid 908] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 910] <... set_robust_list resumed>) = 0 [pid 908] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000 [pid 910] rt_sigprocmask(SIG_SETMASK, [], [pid 908] <... futex resumed>) = 0 [pid 910] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 908] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 910] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 910] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 908] <... futex resumed>) = 0 [pid 908] exit_group(0) = ? [pid 910] +++ exited with 0 +++ [pid 909] <... futex resumed>) = ? [pid 909] +++ exited with 0 +++ [pid 908] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=908, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 911 ./strace-static-x86_64: Process 911 attached [pid 911] set_robust_list(0x55558059c6a0, 24) = 0 [pid 911] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 911] setpgid(0, 0) = 0 [pid 911] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 911] write(3, "1000", 4) = 4 [pid 911] close(3) = 0 [pid 911] write(1, "executing program\n", 18executing program ) = 18 [pid 911] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 911] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 911] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 911] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 911] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 911] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 911] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 912 attached => {parent_tid=[912]}, 88) = 912 [pid 912] set_robust_list(0x7f6b256be9a0, 24 [pid 911] rt_sigprocmask(SIG_SETMASK, [], [pid 912] <... set_robust_list resumed>) = 0 [pid 912] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 912] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 911] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 911] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 912] <... futex resumed>) = 0 [pid 912] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 911] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 912] <... socketpair resumed>[3, 4]) = 0 [pid 912] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 911] <... futex resumed>) = 0 [pid 911] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 911] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 911] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 911] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 911] rt_sigprocmask(SIG_BLOCK, ~[], [pid 912] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 911] <... rt_sigprocmask resumed>[], 8) = 0 [pid 911] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 912] <... sendmsg resumed>) = 0 [pid 911] <... clone3 resumed> => {parent_tid=[913]}, 88) = 913 [pid 911] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 911] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 911] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 913 attached [pid 913] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 913] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 913] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 913] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 911] <... futex resumed>) = 0 [pid 913] <... futex resumed>) = 1 [pid 912] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 913] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 912] <... sendmsg resumed>) = 0 [pid 912] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 912] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 912] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 912] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 912] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 912] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 912] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 912] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 912] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 912] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 912] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 912] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 912] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 912] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 912] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 912] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 912] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 912] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 912] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 912] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 912] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 912] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 912] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 912] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 912] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 912] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 912] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 912] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 912] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 912] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 912] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 912] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 912] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 911] exit_group(0) = ? [pid 912] <... futex resumed>) = ? [pid 913] <... futex resumed>) = ? [pid 912] +++ exited with 0 +++ [pid 913] +++ exited with 0 +++ [pid 911] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=911, si_uid=0, si_status=0, 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 914 attached , child_tidptr=0x55558059c690) = 914 [pid 914] set_robust_list(0x55558059c6a0, 24) = 0 [pid 914] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 914] setpgid(0, 0) = 0 [pid 914] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 914] write(3, "1000", 4) = 4 [pid 914] close(3) = 0 executing program [pid 914] write(1, "executing program\n", 18) = 18 [pid 914] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 914] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 914] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 914] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 914] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 914] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 914] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 915 attached [pid 915] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 915] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 915] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 914] <... clone3 resumed> => {parent_tid=[915]}, 88) = 915 [pid 914] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 914] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 915] <... futex resumed>) = 0 [pid 915] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 915] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 915] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 914] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 914] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 915] <... futex resumed>) = 0 [pid 914] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 915] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 915] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 915] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 915] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 915] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 915] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 915] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 915] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 915] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 915] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 915] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 915] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 915] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 915] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 915] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 915] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 915] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 915] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 915] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 914] <... futex resumed>) = 0 [pid 915] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 914] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 915] <... sendmsg resumed>) = 0 [pid 914] <... mmap resumed>) = 0x7f6b2567d000 [pid 915] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 914] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 915] <... sendmsg resumed>) = 0 [pid 914] <... mprotect resumed>) = 0 [pid 915] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 914] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 915] <... sendmsg resumed>) = 0 [pid 915] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 914] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 915] <... sendmsg resumed>) = 0 [pid 915] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 914] <... clone3 resumed> => {parent_tid=[916]}, 88) = 916 [pid 915] <... sendmsg resumed>) = 0 [pid 914] rt_sigprocmask(SIG_SETMASK, [], [pid 915] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 914] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 914] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 915] <... sendmsg resumed>) = 0 [pid 914] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 915] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 915] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 915] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 915] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 915] 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 916 attached ) = 0 [pid 915] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 915] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 915] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 915] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 915] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 916] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 916] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 916] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 916] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 914] <... futex resumed>) = 0 [pid 914] exit_group(0) = ? [pid 915] <... futex resumed>) = ? [pid 915] +++ exited with 0 +++ [pid 916] +++ exited with 0 +++ [pid 914] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=914, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 917 ./strace-static-x86_64: Process 917 attached [pid 917] set_robust_list(0x55558059c6a0, 24) = 0 [pid 917] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 917] setpgid(0, 0) = 0 [pid 917] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 917] write(3, "1000", 4) = 4 [pid 917] close(3) = 0 [pid 917] write(1, "executing program\n", 18executing program ) = 18 [pid 917] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 917] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 917] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 917] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 917] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 917] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 917] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 918 attached => {parent_tid=[918]}, 88) = 918 [pid 918] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 918] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 918] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 917] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 917] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 918] <... futex resumed>) = 0 [pid 918] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 917] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 918] <... socketpair resumed>[3, 4]) = 0 [pid 918] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 917] <... futex resumed>) = 0 [pid 917] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 917] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 917] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 917] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 918] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 917] rt_sigprocmask(SIG_BLOCK, ~[], [pid 918] <... sendmsg resumed>) = 0 [pid 917] <... rt_sigprocmask resumed>[], 8) = 0 [pid 917] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 918] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 917] <... clone3 resumed> => {parent_tid=[919]}, 88) = 919 [pid 917] rt_sigprocmask(SIG_SETMASK, [], [pid 918] <... sendmsg resumed>) = 0 [pid 917] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 917] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 917] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 919 attached [pid 919] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 919] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 919] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 919] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 917] <... futex resumed>) = 0 [pid 919] <... futex resumed>) = 1 [pid 918] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 919] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 918] <... sendmsg resumed>) = 0 [pid 918] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 918] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 918] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 918] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 918] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 918] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 918] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 918] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 918] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 918] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 918] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 918] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 918] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 918] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 918] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 918] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 918] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 918] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 918] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 918] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 918] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 918] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 918] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 918] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 918] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 918] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 918] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 918] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 918] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 918] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 918] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 918] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 917] exit_group(0) = ? [pid 918] <... futex resumed>) = ? [pid 919] <... futex resumed>) = ? [pid 918] +++ exited with 0 +++ [pid 919] +++ exited with 0 +++ [pid 917] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=917, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 920 ./strace-static-x86_64: Process 920 attached [pid 920] set_robust_list(0x55558059c6a0, 24) = 0 [pid 920] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 920] setpgid(0, 0) = 0 [pid 920] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 920] write(3, "1000", 4) = 4 [pid 920] close(3) = 0 executing program [pid 920] write(1, "executing program\n", 18) = 18 [pid 920] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 920] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 920] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 920] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 920] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 920] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 920] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0} => {parent_tid=[921]}, 88) = 921 [pid 920] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 920] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 920] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 921 attached [pid 921] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 921] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 921] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 921] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 920] <... futex resumed>) = 0 [pid 920] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 920] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 920] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 920] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 920] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 920] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 921] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 920] <... clone3 resumed> => {parent_tid=[922]}, 88) = 922 [pid 920] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 921] <... sendmsg resumed>) = 0 [pid 921] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 920] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 920] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 922 attached [pid 922] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 922] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 922] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 921] <... sendmsg resumed>) = 0 [pid 922] <... setsockopt resumed>) = 0 [pid 922] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 920] <... futex resumed>) = 0 [pid 922] <... futex resumed>) = 1 [pid 921] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 922] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 921] <... sendmsg resumed>) = 0 [pid 921] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 921] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 921] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 921] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 921] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 921] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 921] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 921] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 921] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 921] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 921] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 921] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 921] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 921] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 921] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 921] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 921] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 921] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 921] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 921] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 921] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 921] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 921] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 921] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 921] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 921] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 921] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 921] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 921] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 921] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 921] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 921] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 920] exit_group(0 [pid 921] <... futex resumed>) = ? [pid 920] <... exit_group resumed>) = ? [pid 921] +++ exited with 0 +++ [pid 922] <... futex resumed>) = ? [pid 922] +++ exited with 0 +++ [pid 920] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=920, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 923 ./strace-static-x86_64: Process 923 attached [pid 923] set_robust_list(0x55558059c6a0, 24) = 0 [pid 923] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 923] setpgid(0, 0) = 0 [pid 923] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 923] write(3, "1000", 4) = 4 [pid 923] close(3) = 0 [pid 923] write(1, "executing program\n", 18executing program ) = 18 [pid 923] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 923] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 923] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 923] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 923] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 923] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 923] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 924 attached => {parent_tid=[924]}, 88) = 924 [pid 924] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 924] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 924] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 923] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 923] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 924] <... futex resumed>) = 0 [pid 924] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 923] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 924] <... socketpair resumed>[3, 4]) = 0 [pid 924] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 924] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 923] <... futex resumed>) = 0 [pid 923] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 924] <... futex resumed>) = 0 [pid 924] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 924] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 923] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 924] <... sendmsg resumed>) = 0 [pid 924] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 923] <... futex resumed>) = 0 [pid 924] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 924] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 923] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 924] <... sendmsg resumed>) = 0 [pid 924] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 924] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 924] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 923] <... mmap resumed>) = 0x7f6b2567d000 [pid 923] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 924] <... sendmsg resumed>) = 0 [pid 924] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 924] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 924] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 924] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 923] rt_sigprocmask(SIG_BLOCK, ~[], [pid 924] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 924] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 923] <... rt_sigprocmask resumed>[], 8) = 0 [pid 924] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 923] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 924] <... sendmsg resumed>) = 0 [pid 924] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 924] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 924] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 924] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 924] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 924] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 924] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 924] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 924] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 924] 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 925 attached [pid 923] <... clone3 resumed> => {parent_tid=[925]}, 88) = 925 [pid 924] <... sendmsg resumed>) = 0 [pid 924] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 924] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 923] rt_sigprocmask(SIG_SETMASK, [], [pid 924] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 923] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 923] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 924] <... sendmsg resumed>) = 0 [pid 923] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 924] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 924] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 925] set_robust_list(0x7f6b2569d9a0, 24 [pid 924] <... sendmsg resumed>) = 0 [pid 924] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 925] <... set_robust_list resumed>) = 0 [pid 924] <... sendmsg resumed>) = 0 [pid 924] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 924] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 925] rt_sigprocmask(SIG_SETMASK, [], [pid 924] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 924] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 925] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 925] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 925] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 923] <... futex resumed>) = 0 [pid 923] exit_group(0) = ? [pid 924] <... futex resumed>) = ? [pid 925] +++ exited with 0 +++ [pid 924] +++ exited with 0 +++ [pid 923] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=923, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 926 ./strace-static-x86_64: Process 926 attached [pid 926] set_robust_list(0x55558059c6a0, 24) = 0 [pid 926] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 926] setpgid(0, 0) = 0 [pid 926] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 926] write(3, "1000", 4) = 4 [pid 926] close(3) = 0 [pid 926] write(1, "executing program\n", 18executing program ) = 18 [pid 926] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 926] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 926] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 926] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 926] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 926] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 926] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 927 attached => {parent_tid=[927]}, 88) = 927 [pid 927] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 927] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 927] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 926] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 926] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 927] <... futex resumed>) = 0 [pid 927] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 926] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 927] <... socketpair resumed>[3, 4]) = 0 [pid 927] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 927] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 926] <... futex resumed>) = 0 [pid 926] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 927] <... futex resumed>) = 0 [pid 927] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 927] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 927] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 927] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 927] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 927] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 927] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 927] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 927] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 927] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 927] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 927] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 927] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 927] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 927] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 927] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 927] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 927] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 927] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 927] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 927] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 927] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 927] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 927] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 927] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 927] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 926] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 927] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 926] <... futex resumed>) = 0 [pid 927] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 927] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 927] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 927] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 927] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 927] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 927] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 927] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 926] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 926] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 926] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 926] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} => {parent_tid=[928]}, 88) = 928 ./strace-static-x86_64: Process 928 attached [pid 926] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 926] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 926] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 928] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 928] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 928] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 928] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 926] <... futex resumed>) = 0 [pid 926] exit_group(0) = ? [pid 927] <... futex resumed>) = ? [pid 927] +++ exited with 0 +++ [pid 928] +++ exited with 0 +++ [pid 926] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=926, si_uid=0, si_status=0, 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 929 attached [pid 929] set_robust_list(0x55558059c6a0, 24) = 0 [pid 929] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 288] <... clone resumed>, child_tidptr=0x55558059c690) = 929 [pid 929] <... prctl resumed>) = 0 [pid 929] setpgid(0, 0) = 0 [pid 929] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 929] write(3, "1000", 4) = 4 [pid 929] close(3) = 0 executing program [pid 929] write(1, "executing program\n", 18) = 18 [pid 929] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 929] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 929] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 929] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 929] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 929] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 929] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0} => {parent_tid=[930]}, 88) = 930 [pid 929] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 929] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 929] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 930 attached [pid 930] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 930] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 930] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 930] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 929] <... futex resumed>) = 0 [pid 929] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 929] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 929] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 929] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 929] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 929] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} => {parent_tid=[931]}, 88) = 931 [pid 930] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 929] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 929] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 929] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 931 attached [pid 931] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 931] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 931] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 931] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 930] <... sendmsg resumed>) = 0 [pid 929] <... futex resumed>) = 0 [pid 930] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 931] <... futex resumed>) = 1 [pid 931] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 930] <... sendmsg resumed>) = 0 [pid 930] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 930] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 930] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 930] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 930] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 930] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 930] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 930] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 930] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 930] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 930] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 930] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 930] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 930] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 930] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 930] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 930] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 930] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 930] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 930] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 930] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 930] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 930] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 930] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 930] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 930] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 930] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 930] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 930] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 930] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 930] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 930] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 930] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 929] exit_group(0) = ? [pid 931] <... futex resumed>) = ? [pid 931] +++ exited with 0 +++ [pid 930] <... futex resumed>) = ? [pid 930] +++ exited with 0 +++ [pid 929] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=929, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 932 ./strace-static-x86_64: Process 932 attached [pid 932] set_robust_list(0x55558059c6a0, 24) = 0 [pid 932] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 932] setpgid(0, 0) = 0 [pid 932] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 932] write(3, "1000", 4) = 4 [pid 932] close(3) = 0 executing program [pid 932] write(1, "executing program\n", 18) = 18 [pid 932] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 932] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 932] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 932] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 932] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 932] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 932] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 933 attached [pid 933] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 933] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 933] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 932] <... clone3 resumed> => {parent_tid=[933]}, 88) = 933 [pid 932] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 932] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 933] <... futex resumed>) = 0 [pid 932] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 933] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 933] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 933] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 932] <... futex resumed>) = 0 [pid 932] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 932] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 932] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 932] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 932] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 932] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 933] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 933] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 932] <... clone3 resumed> => {parent_tid=[934]}, 88) = 934 [pid 933] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 932] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 932] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 932] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 934 attached [pid 934] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 933] <... sendmsg resumed>) = 0 [pid 934] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 934] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 934] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 932] <... futex resumed>) = 0 [pid 934] <... futex resumed>) = 1 [pid 933] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 934] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 933] <... sendmsg resumed>) = 0 [pid 933] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 933] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 933] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 933] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 933] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 933] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 933] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 933] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 933] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 933] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 933] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 933] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 933] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 933] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 933] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 933] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 933] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 933] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 933] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 933] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 933] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 933] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 933] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 933] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 933] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 933] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 933] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 933] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 933] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 933] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 933] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 933] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 932] exit_group(0 [pid 933] <... futex resumed>) = ? [pid 932] <... exit_group resumed>) = ? [pid 934] <... futex resumed>) = ? [pid 933] +++ exited with 0 +++ [pid 934] +++ exited with 0 +++ [pid 932] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=932, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 935 ./strace-static-x86_64: Process 935 attached [pid 935] set_robust_list(0x55558059c6a0, 24) = 0 [pid 935] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 935] setpgid(0, 0) = 0 [pid 935] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 935] write(3, "1000", 4) = 4 [pid 935] close(3executing program ) = 0 [pid 935] write(1, "executing program\n", 18) = 18 [pid 935] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 935] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 935] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 935] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 935] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 935] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 935] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 936 attached [pid 936] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 936] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 936] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 935] <... clone3 resumed> => {parent_tid=[936]}, 88) = 936 [pid 935] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 935] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 936] <... futex resumed>) = 0 [pid 936] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 936] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000 [pid 935] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 936] <... futex resumed>) = 0 [pid 936] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 935] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 935] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 936] <... futex resumed>) = 0 [pid 935] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 936] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 936] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 935] <... futex resumed>) = 0 [pid 936] <... sendmsg resumed>) = 0 [pid 936] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 936] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 936] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 936] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 936] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 936] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 936] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 936] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 936] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 936] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 936] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 936] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 936] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 936] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 936] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 936] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 936] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 936] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 936] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 936] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 936] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 936] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 936] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 936] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 936] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 936] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 936] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 936] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 936] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 935] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 936] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 935] <... mmap resumed>) = 0x7f6b2567d000 [pid 936] <... sendmsg resumed>) = 0 [pid 935] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 936] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 935] <... mprotect resumed>) = 0 [pid 936] <... sendmsg resumed>) = 0 [pid 935] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 936] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000 [pid 935] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 936] <... futex resumed>) = 0 [pid 936] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 937 attached [pid 935] <... clone3 resumed> => {parent_tid=[937]}, 88) = 937 [pid 937] set_robust_list(0x7f6b2569d9a0, 24 [pid 935] rt_sigprocmask(SIG_SETMASK, [], [pid 937] <... set_robust_list resumed>) = 0 [pid 935] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 937] rt_sigprocmask(SIG_SETMASK, [], [pid 935] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000 [pid 937] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 935] <... futex resumed>) = 0 [pid 937] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 935] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 937] <... setsockopt resumed>) = 0 [pid 937] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 935] <... futex resumed>) = 0 [pid 937] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 935] exit_group(0) = ? [pid 937] <... futex resumed>) = ? [pid 936] <... futex resumed>) = ? [pid 936] +++ exited with 0 +++ [pid 937] +++ exited with 0 +++ [pid 935] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=935, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 938 ./strace-static-x86_64: Process 938 attached [pid 938] set_robust_list(0x55558059c6a0, 24) = 0 [pid 938] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 938] setpgid(0, 0) = 0 [pid 938] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 938] write(3, "1000", 4) = 4 [pid 938] close(3) = 0 executing program [pid 938] write(1, "executing program\n", 18) = 18 [pid 938] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 938] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 938] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 938] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 938] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 938] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 938] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0} => {parent_tid=[939]}, 88) = 939 [pid 938] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 938] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 938] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 939 attached [pid 939] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 939] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 939] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 939] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000 [pid 938] <... futex resumed>) = 0 [pid 938] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 938] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 938] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 938] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 938] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 938] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} => {parent_tid=[940]}, 88) = 940 [pid 938] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 938] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 938] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 939] <... futex resumed>) = 1 [pid 939] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 939] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 939] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 939] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 939] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 939] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 939] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 939] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 939] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 939] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 939] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 939] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 939] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 939] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 939] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 939] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 939] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 939] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 939] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 939] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 939] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 939] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 939] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 939] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 939] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 939] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 939] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 939] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 939] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 939] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 939] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 939] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 939] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 939] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 939] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 940 attached [pid 940] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 940] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 940] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 940] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 938] <... futex resumed>) = 0 [pid 938] exit_group(0) = ? [pid 940] <... futex resumed>) = ? [pid 939] <... futex resumed>) = ? [pid 939] +++ exited with 0 +++ [pid 940] +++ exited with 0 +++ [pid 938] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=938, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 941 ./strace-static-x86_64: Process 941 attached [pid 941] set_robust_list(0x55558059c6a0, 24) = 0 [pid 941] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 941] setpgid(0, 0) = 0 [pid 941] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 941] write(3, "1000", 4) = 4 [pid 941] close(3) = 0 [pid 941] write(1, "executing program\n", 18executing program ) = 18 [pid 941] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 941] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 941] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 941] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 941] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 941] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 941] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 942 attached [pid 942] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 942] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 942] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 941] <... clone3 resumed> => {parent_tid=[942]}, 88) = 942 [pid 941] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 941] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 942] <... futex resumed>) = 0 [pid 942] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 941] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 942] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 942] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 941] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 941] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 942] <... futex resumed>) = 0 [pid 941] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 942] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 942] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 942] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 942] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 942] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 942] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 942] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 942] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 942] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 942] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 942] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 941] <... futex resumed>) = 0 [pid 942] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 942] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 942] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 942] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 942] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 942] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 942] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 942] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 942] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 942] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 942] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 942] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 942] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 942] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 942] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 942] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 942] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 942] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 942] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 942] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 942] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 942] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 942] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 942] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 941] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 941] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 941] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 941] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0}./strace-static-x86_64: Process 943 attached => {parent_tid=[943]}, 88) = 943 [pid 941] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 941] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 941] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 943] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 943] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 943] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 943] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 941] <... futex resumed>) = 0 [pid 943] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 941] exit_group(0) = ? [pid 942] <... futex resumed>) = ? [pid 942] +++ exited with 0 +++ [pid 943] <... futex resumed>) = ? [pid 943] +++ exited with 0 +++ [pid 941] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=941, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 944 ./strace-static-x86_64: Process 944 attached [pid 944] set_robust_list(0x55558059c6a0, 24) = 0 [pid 944] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 944] setpgid(0, 0) = 0 [pid 944] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 944] write(3, "1000", 4) = 4 [pid 944] close(3) = 0 [pid 944] write(1, "executing program\n", 18executing program ) = 18 [pid 944] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 944] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 944] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 944] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 944] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 944] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 944] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 945 attached => {parent_tid=[945]}, 88) = 945 [pid 944] rt_sigprocmask(SIG_SETMASK, [], [pid 945] set_robust_list(0x7f6b256be9a0, 24 [pid 944] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 945] <... set_robust_list resumed>) = 0 [pid 945] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 945] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 944] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 945] <... futex resumed>) = 0 [pid 944] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 945] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 945] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 945] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 944] <... futex resumed>) = 0 [pid 944] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 944] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 944] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 944] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 944] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 944] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} => {parent_tid=[946]}, 88) = 946 [pid 944] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 944] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 944] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 946 attached [pid 946] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 946] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 946] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 946] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 944] <... futex resumed>) = 0 [pid 945] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 946] <... futex resumed>) = 1 [pid 945] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 946] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 945] <... sendmsg resumed>) = 0 [pid 945] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 945] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 945] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 945] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 945] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 945] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 945] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 945] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 945] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 945] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 945] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 945] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 945] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 945] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 945] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 945] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 945] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 945] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 945] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 945] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 945] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 945] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 945] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 945] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 945] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 945] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 945] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 945] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 945] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 945] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 945] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 945] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 945] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 945] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 944] exit_group(0 [pid 945] <... futex resumed>) = ? [pid 944] <... exit_group resumed>) = ? [pid 945] +++ exited with 0 +++ [pid 946] <... futex resumed>) = ? [pid 946] +++ exited with 0 +++ [pid 944] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=944, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 947 ./strace-static-x86_64: Process 947 attached [pid 947] set_robust_list(0x55558059c6a0, 24) = 0 [pid 947] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 947] setpgid(0, 0) = 0 [pid 947] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 947] write(3, "1000", 4) = 4 executing program [pid 947] close(3) = 0 [pid 947] write(1, "executing program\n", 18) = 18 [pid 947] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 947] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 947] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 947] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 947] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 947] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 947] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 948 attached => {parent_tid=[948]}, 88) = 948 [pid 947] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 947] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 947] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 948] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 948] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 948] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 948] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 947] <... futex resumed>) = 0 [pid 947] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 947] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 947] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 947] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 947] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 947] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} => {parent_tid=[949]}, 88) = 949 [pid 948] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 947] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 947] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 947] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 949 attached [pid 949] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 949] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 949] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 949] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 947] <... futex resumed>) = 0 [pid 949] <... futex resumed>) = 1 [pid 949] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 948] <... sendmsg resumed>) = 0 [pid 948] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 948] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 948] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 948] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 948] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 948] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 948] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 948] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 948] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 948] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 948] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 948] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 948] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 948] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 948] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 948] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 948] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 948] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 948] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 948] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 948] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 948] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 948] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 948] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 948] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 948] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 948] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 948] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 948] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 948] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 948] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 948] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 948] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 948] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 947] exit_group(0) = ? [pid 949] <... futex resumed>) = ? [pid 949] +++ exited with 0 +++ [pid 948] <... futex resumed>) = ? [pid 948] +++ exited with 0 +++ [pid 947] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=947, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 950 ./strace-static-x86_64: Process 950 attached [pid 950] set_robust_list(0x55558059c6a0, 24) = 0 [pid 950] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 950] setpgid(0, 0) = 0 [pid 950] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 950] write(3, "1000", 4) = 4 [pid 950] close(3) = 0 [pid 950] write(1, "executing program\n", 18executing program ) = 18 [pid 950] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 950] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 950] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 950] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 950] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 950] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 950] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 951 attached => {parent_tid=[951]}, 88) = 951 [pid 951] set_robust_list(0x7f6b256be9a0, 24 [pid 950] rt_sigprocmask(SIG_SETMASK, [], [pid 951] <... set_robust_list resumed>) = 0 [pid 950] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 951] rt_sigprocmask(SIG_SETMASK, [], [pid 950] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000 [pid 951] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 950] <... futex resumed>) = 0 [pid 951] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 950] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 951] <... socketpair resumed>[3, 4]) = 0 [pid 951] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 950] <... futex resumed>) = 0 [pid 950] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 950] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 950] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 950] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 950] rt_sigprocmask(SIG_BLOCK, ~[], [pid 951] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 950] <... rt_sigprocmask resumed>[], 8) = 0 [pid 951] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 950] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0}./strace-static-x86_64: Process 952 attached [pid 951] <... sendmsg resumed>) = 0 [pid 950] <... clone3 resumed> => {parent_tid=[952]}, 88) = 952 [pid 952] set_robust_list(0x7f6b2569d9a0, 24 [pid 951] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 950] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 950] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 950] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 951] <... sendmsg resumed>) = 0 [pid 952] <... set_robust_list resumed>) = 0 [pid 951] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 952] rt_sigprocmask(SIG_SETMASK, [], [pid 951] <... sendmsg resumed>) = 0 [pid 952] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 951] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 952] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 951] <... sendmsg resumed>) = 0 [pid 952] <... setsockopt resumed>) = 0 [pid 951] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 952] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 951] <... sendmsg resumed>) = 0 [pid 951] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 951] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 951] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 951] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 951] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 951] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 951] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 951] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 951] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 952] <... futex resumed>) = 1 [pid 951] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 950] <... futex resumed>) = 0 [pid 951] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 951] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 951] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 951] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 951] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 951] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 951] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 951] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 951] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 952] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 951] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 951] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 951] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 951] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 951] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 951] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 951] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 951] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 951] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 951] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 951] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 951] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 950] exit_group(0 [pid 951] <... futex resumed>) = ? [pid 950] <... exit_group resumed>) = ? [pid 951] +++ exited with 0 +++ [pid 952] <... futex resumed>) = ? [pid 952] +++ exited with 0 +++ [pid 950] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=950, 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 953 attached , child_tidptr=0x55558059c690) = 953 [pid 953] set_robust_list(0x55558059c6a0, 24) = 0 [pid 953] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 953] setpgid(0, 0) = 0 [pid 953] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 953] write(3, "1000", 4) = 4 executing program [pid 953] close(3) = 0 [pid 953] write(1, "executing program\n", 18) = 18 [pid 953] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 953] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 953] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 953] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 953] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 953] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 953] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 954 attached [pid 954] set_robust_list(0x7f6b256be9a0, 24 [pid 953] <... clone3 resumed> => {parent_tid=[954]}, 88) = 954 [pid 954] <... set_robust_list resumed>) = 0 [pid 953] rt_sigprocmask(SIG_SETMASK, [], [pid 954] rt_sigprocmask(SIG_SETMASK, [], [pid 953] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 954] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 953] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000 [pid 954] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 953] <... futex resumed>) = 0 [pid 954] <... socketpair resumed>[3, 4]) = 0 [pid 953] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 954] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 953] <... futex resumed>) = 0 [pid 953] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 953] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 953] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 953] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 954] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 953] <... mprotect resumed>) = 0 [pid 953] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 953] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} => {parent_tid=[955]}, 88) = 955 [pid 953] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 954] <... sendmsg resumed>) = 0 [pid 953] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 953] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 955 attached [pid 955] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 955] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 955] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 955] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 953] <... futex resumed>) = 0 [pid 955] <... futex resumed>) = 1 [pid 954] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 955] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 954] <... sendmsg resumed>) = 0 [pid 954] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 954] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 954] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 954] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 954] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 954] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 954] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 954] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 954] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 954] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 954] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 954] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 954] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 954] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 954] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 954] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 954] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 954] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 954] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 954] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 954] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 954] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 954] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 954] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 954] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 954] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 954] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 954] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 954] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 954] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 954] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 954] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 954] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 953] exit_group(0) = ? [pid 954] <... futex resumed>) = ? [pid 955] <... futex resumed>) = ? [pid 954] +++ exited with 0 +++ [pid 955] +++ exited with 0 +++ [pid 953] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=953, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 956 ./strace-static-x86_64: Process 956 attached [pid 956] set_robust_list(0x55558059c6a0, 24) = 0 [pid 956] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 956] setpgid(0, 0) = 0 [pid 956] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 956] write(3, "1000", 4) = 4 [pid 956] close(3) = 0 executing program [pid 956] write(1, "executing program\n", 18) = 18 [pid 956] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 956] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 956] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 956] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 956] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 956] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 956] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 957 attached [pid 957] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 957] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 957] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 956] <... clone3 resumed> => {parent_tid=[957]}, 88) = 957 [pid 956] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 956] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 957] <... futex resumed>) = 0 [pid 957] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 956] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 957] <... socketpair resumed>[3, 4]) = 0 [pid 957] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 956] <... futex resumed>) = 0 [pid 957] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 956] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 956] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 956] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 957] <... sendmsg resumed>) = 0 [pid 956] <... mmap resumed>) = 0x7f6b2567d000 [pid 957] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 956] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 957] <... sendmsg resumed>) = 0 [pid 956] <... mprotect resumed>) = 0 [pid 957] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 956] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 957] <... sendmsg resumed>) = 0 [pid 956] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 957] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 957] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 956] <... clone3 resumed> => {parent_tid=[958]}, 88) = 958 [pid 956] rt_sigprocmask(SIG_SETMASK, [], [pid 957] <... sendmsg resumed>) = 0 [pid 956] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 957] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 956] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 957] <... sendmsg resumed>) = 0 [pid 956] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 957] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 957] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 957] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 957] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 957] 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 958 attached ) = 0 [pid 957] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 957] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 957] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 958] set_robust_list(0x7f6b2569d9a0, 24 [pid 957] <... sendmsg resumed>) = 0 [pid 957] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 957] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 957] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 957] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 958] <... set_robust_list resumed>) = 0 [pid 957] <... sendmsg resumed>) = 0 [pid 958] rt_sigprocmask(SIG_SETMASK, [], [pid 957] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 957] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 957] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 957] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 958] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 957] <... sendmsg resumed>) = 0 [pid 958] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 957] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 957] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 957] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 957] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 957] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 957] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 957] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 957] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 957] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 957] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 957] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 957] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 957] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 958] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 956] <... futex resumed>) = 0 [pid 956] exit_group(0) = ? [pid 957] <... futex resumed>) = ? [pid 958] +++ exited with 0 +++ [pid 957] +++ exited with 0 +++ [pid 956] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=956, si_uid=0, si_status=0, 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 959 attached , child_tidptr=0x55558059c690) = 959 [pid 959] set_robust_list(0x55558059c6a0, 24) = 0 [pid 959] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 959] setpgid(0, 0) = 0 [pid 959] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 959] write(3, "1000", 4) = 4 executing program [pid 959] close(3) = 0 [pid 959] write(1, "executing program\n", 18) = 18 [pid 959] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 959] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 959] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 959] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 959] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 959] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 959] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 960 attached [pid 960] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 960] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 960] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 959] <... clone3 resumed> => {parent_tid=[960]}, 88) = 960 [pid 959] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 959] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 960] <... futex resumed>) = 0 [pid 960] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 960] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 960] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 959] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 959] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 960] <... futex resumed>) = 0 [pid 959] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 960] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 960] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 960] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 959] <... futex resumed>) = 0 [pid 960] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 960] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 960] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 960] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 960] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 960] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 960] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 960] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 959] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 960] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 959] <... mmap resumed>) = 0x7f6b2567d000 [pid 960] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 959] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 960] <... sendmsg resumed>) = 0 [pid 959] <... mprotect resumed>) = 0 [pid 960] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 959] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 959] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 960] <... sendmsg resumed>) = 0 [pid 960] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 959] <... clone3 resumed> => {parent_tid=[961]}, 88) = 961 [pid 959] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 960] <... sendmsg resumed>) = 0 [pid 960] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 959] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 960] <... sendmsg resumed>) = 0 [pid 959] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 960] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 960] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 960] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 960] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 960] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 960] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 960] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 960] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 960] 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 961 attached ) = 0 [pid 960] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 960] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 960] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 960] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 960] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 960] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 960] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 960] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 960] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 960] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 961] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 961] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 961] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 961] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 959] <... futex resumed>) = 0 [pid 959] exit_group(0) = ? [pid 960] <... futex resumed>) = ? [pid 960] +++ exited with 0 +++ [pid 961] +++ exited with 0 +++ [pid 959] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=959, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 962 ./strace-static-x86_64: Process 962 attached [pid 962] set_robust_list(0x55558059c6a0, 24) = 0 [pid 962] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 962] setpgid(0, 0) = 0 [pid 962] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 962] write(3, "1000", 4) = 4 [pid 962] close(3) = 0 [pid 962] write(1, "executing program\n", 18executing program ) = 18 [pid 962] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 962] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 962] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 962] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 962] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 962] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 962] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 963 attached => {parent_tid=[963]}, 88) = 963 [pid 963] set_robust_list(0x7f6b256be9a0, 24 [pid 962] rt_sigprocmask(SIG_SETMASK, [], [pid 963] <... set_robust_list resumed>) = 0 [pid 962] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 963] rt_sigprocmask(SIG_SETMASK, [], [pid 962] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000 [pid 963] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 962] <... futex resumed>) = 0 [pid 963] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 962] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 963] <... socketpair resumed>[3, 4]) = 0 [pid 963] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 962] <... futex resumed>) = 0 [pid 962] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 962] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 962] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 962] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 962] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 962] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 963] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 962] <... clone3 resumed> => {parent_tid=[964]}, 88) = 964 [pid 962] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 962] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 962] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 964 attached [pid 964] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 964] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 964] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 964] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 962] <... futex resumed>) = 0 [pid 964] <... futex resumed>) = 1 [pid 963] <... sendmsg resumed>) = 0 [pid 964] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 963] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 963] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 963] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 963] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 963] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 963] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 963] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 963] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 963] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 963] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 963] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 963] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 963] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 963] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 963] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 963] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 963] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 963] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 963] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 963] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 963] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 963] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 963] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 963] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 963] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 963] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 963] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 963] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 963] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 963] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 963] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 963] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 963] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000 [pid 962] exit_group(0) = ? [pid 963] <... futex resumed>) = ? [pid 964] <... futex resumed>) = ? [pid 963] +++ exited with 0 +++ [pid 964] +++ exited with 0 +++ [pid 962] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=962, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 965 ./strace-static-x86_64: Process 965 attached [pid 965] set_robust_list(0x55558059c6a0, 24) = 0 [pid 965] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 965] setpgid(0, 0) = 0 [pid 965] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 965] write(3, "1000", 4) = 4 [pid 965] close(3) = 0 executing program [pid 965] write(1, "executing program\n", 18) = 18 [pid 965] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 965] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 965] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 965] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 965] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 965] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 965] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 966 attached [pid 966] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 966] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 966] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 965] <... clone3 resumed> => {parent_tid=[966]}, 88) = 966 [pid 965] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 965] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 966] <... futex resumed>) = 0 [pid 966] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 965] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 966] <... socketpair resumed>[3, 4]) = 0 [pid 966] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 966] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 965] <... futex resumed>) = 0 [pid 965] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 966] <... futex resumed>) = 0 [pid 965] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 966] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 966] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 966] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 966] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 966] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 966] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 966] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 966] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 966] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 966] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 966] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 966] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 966] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 966] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 966] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 966] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 966] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 966] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 966] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 966] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 966] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 966] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 966] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 966] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 966] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 966] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 966] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 966] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 966] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 966] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 966] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 965] <... futex resumed>) = 0 [pid 966] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 965] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 966] <... sendmsg resumed>) = 0 [pid 965] <... mmap resumed>) = 0x7f6b2567d000 [pid 966] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 965] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 966] <... sendmsg resumed>) = 0 [pid 965] <... mprotect resumed>) = 0 [pid 966] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000 [pid 965] rt_sigprocmask(SIG_BLOCK, ~[], [pid 966] <... futex resumed>) = 0 [pid 966] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 965] <... rt_sigprocmask resumed>[], 8) = 0 [pid 965] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0}./strace-static-x86_64: Process 967 attached => {parent_tid=[967]}, 88) = 967 [pid 967] set_robust_list(0x7f6b2569d9a0, 24 [pid 965] rt_sigprocmask(SIG_SETMASK, [], [pid 967] <... set_robust_list resumed>) = 0 [pid 965] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 967] rt_sigprocmask(SIG_SETMASK, [], [pid 965] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000 [pid 967] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 965] <... futex resumed>) = 0 [pid 967] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 965] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 967] <... setsockopt resumed>) = 0 [pid 967] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 965] <... futex resumed>) = 0 [pid 967] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 965] exit_group(0) = ? [pid 966] <... futex resumed>) = ? [pid 966] +++ exited with 0 +++ [pid 967] <... futex resumed>) = ? [pid 967] +++ exited with 0 +++ [pid 965] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=965, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 968 ./strace-static-x86_64: Process 968 attached [pid 968] set_robust_list(0x55558059c6a0, 24) = 0 [pid 968] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 968] setpgid(0, 0) = 0 [pid 968] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 968] write(3, "1000", 4) = 4 [pid 968] close(3) = 0 executing program [pid 968] write(1, "executing program\n", 18) = 18 [pid 968] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 968] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 968] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 968] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 968] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 968] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 968] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 969 attached [pid 969] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 969] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 969] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 968] <... clone3 resumed> => {parent_tid=[969]}, 88) = 969 [pid 968] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 968] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 969] <... futex resumed>) = 0 [pid 969] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 968] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 969] <... socketpair resumed>[3, 4]) = 0 [pid 969] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 969] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 968] <... futex resumed>) = 0 [pid 968] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 969] <... futex resumed>) = 0 [pid 968] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 969] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 969] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 969] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 968] <... futex resumed>) = 0 [pid 969] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 968] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 968] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 969] <... sendmsg resumed>) = 0 [pid 968] rt_sigprocmask(SIG_BLOCK, ~[], [pid 969] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 968] <... rt_sigprocmask resumed>[], 8) = 0 [pid 968] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 969] <... sendmsg resumed>) = 0 [pid 969] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 968] <... clone3 resumed> => {parent_tid=[970]}, 88) = 970 [pid 968] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 969] <... sendmsg resumed>) = 0 [pid 968] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000 [pid 969] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 968] <... futex resumed>) = 0 ./strace-static-x86_64: Process 970 attached [pid 968] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 969] <... sendmsg resumed>) = 0 [pid 969] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 969] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 969] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 969] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 970] set_robust_list(0x7f6b2569d9a0, 24 [pid 969] <... sendmsg resumed>) = 0 [pid 970] <... set_robust_list resumed>) = 0 [pid 969] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 970] rt_sigprocmask(SIG_SETMASK, [], [pid 969] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 970] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 970] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 969] <... sendmsg resumed>) = 0 [pid 970] <... setsockopt resumed>) = 0 [pid 969] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 970] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 969] <... sendmsg resumed>) = 0 [pid 970] <... futex resumed>) = 1 [pid 968] <... futex resumed>) = 0 [pid 969] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 969] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 969] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 969] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 969] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 970] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 969] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 969] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 969] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 969] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 969] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 969] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 969] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 969] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 969] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 969] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 969] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 969] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 969] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 969] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 969] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 969] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 968] exit_group(0) = ? [pid 969] <... futex resumed>) = ? [pid 969] +++ exited with 0 +++ [pid 970] <... futex resumed>) = ? [pid 970] +++ exited with 0 +++ [pid 968] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=968, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 971 ./strace-static-x86_64: Process 971 attached [pid 971] set_robust_list(0x55558059c6a0, 24) = 0 [pid 971] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 971] setpgid(0, 0) = 0 [pid 971] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 971] write(3, "1000", 4) = 4 [pid 971] close(3) = 0 [pid 971] write(1, "executing program\n", 18executing program ) = 18 [pid 971] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 971] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 971] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 971] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 971] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 971] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 971] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 972 attached => {parent_tid=[972]}, 88) = 972 [pid 972] set_robust_list(0x7f6b256be9a0, 24 [pid 971] rt_sigprocmask(SIG_SETMASK, [], [pid 972] <... set_robust_list resumed>) = 0 [pid 972] rt_sigprocmask(SIG_SETMASK, [], [pid 971] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 972] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 972] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 971] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000 [pid 972] <... socketpair resumed>[3, 4]) = 0 [pid 971] <... futex resumed>) = 0 [pid 972] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000 [pid 971] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 972] <... futex resumed>) = 0 [pid 972] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 971] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 971] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 972] <... futex resumed>) = 0 [pid 972] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 972] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 972] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 972] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 972] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 971] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 972] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 972] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 972] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 972] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 972] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 972] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 972] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 972] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 971] <... futex resumed>) = 0 [pid 972] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 971] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 972] <... sendmsg resumed>) = 0 [pid 972] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 971] <... mmap resumed>) = 0x7f6b2567d000 [pid 972] <... sendmsg resumed>) = 0 [pid 972] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 971] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 972] <... sendmsg resumed>) = 0 [pid 971] <... mprotect resumed>) = 0 [pid 972] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 971] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 971] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 972] <... sendmsg resumed>) = 0 [pid 972] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 971] <... clone3 resumed> => {parent_tid=[973]}, 88) = 973 [pid 971] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 971] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000 [pid 972] <... sendmsg resumed>) = 0 [pid 971] <... futex resumed>) = 0 [pid 972] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 971] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 972] <... sendmsg resumed>) = 0 [pid 972] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 972] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 972] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 972] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 972] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 972] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 972] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 972] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 972] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 972] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 972] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 972] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 972] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 972] 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 973 attached [pid 972] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 972] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 973] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 973] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 973] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 973] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 971] <... futex resumed>) = 0 [pid 971] exit_group(0) = ? [pid 972] <... futex resumed>) = ? [pid 972] +++ exited with 0 +++ [pid 973] +++ exited with 0 +++ [pid 971] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=971, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 974 ./strace-static-x86_64: Process 974 attached [pid 974] set_robust_list(0x55558059c6a0, 24) = 0 [pid 974] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 974] setpgid(0, 0) = 0 [pid 974] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 974] write(3, "1000", 4) = 4 [pid 974] close(3) = 0 [pid 974] write(1, "executing program\n", 18executing program ) = 18 [pid 974] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 974] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 974] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 974] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 974] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 974] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 974] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 975 attached => {parent_tid=[975]}, 88) = 975 [pid 975] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 975] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 975] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 974] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 974] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 975] <... futex resumed>) = 0 [pid 974] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 975] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 975] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 974] <... futex resumed>) = 0 [pid 974] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 974] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 974] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 974] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 974] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 974] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} => {parent_tid=[976]}, 88) = 976 [pid 974] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 974] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 974] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 976 attached [pid 976] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 976] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 976] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 976] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 974] <... futex resumed>) = 0 [pid 976] <... futex resumed>) = 1 [pid 975] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 976] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 975] <... sendmsg resumed>) = 0 [pid 975] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 975] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 975] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 975] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 975] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 975] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 975] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 975] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 975] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 975] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 975] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 975] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 975] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 975] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 975] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 975] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 975] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 975] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 975] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 975] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 975] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 975] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 975] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 975] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 975] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 975] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 975] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 975] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 975] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 975] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 975] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 975] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 975] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 974] exit_group(0) = ? [pid 975] +++ exited with 0 +++ [pid 976] <... futex resumed>) = ? [pid 976] +++ exited with 0 +++ [pid 974] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=974, si_uid=0, si_status=0, 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 977 attached , child_tidptr=0x55558059c690) = 977 [pid 977] set_robust_list(0x55558059c6a0, 24) = 0 [pid 977] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 977] setpgid(0, 0) = 0 [pid 977] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 977] write(3, "1000", 4) = 4 [pid 977] close(3) = 0 executing program [pid 977] write(1, "executing program\n", 18) = 18 [pid 977] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 977] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 977] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 977] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 977] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 977] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 977] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 978 attached [pid 978] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 978] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 978] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 977] <... clone3 resumed> => {parent_tid=[978]}, 88) = 978 [pid 977] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 977] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 978] <... futex resumed>) = 0 [pid 978] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 977] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 978] <... socketpair resumed>[3, 4]) = 0 [pid 978] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 978] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 977] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 977] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 978] <... futex resumed>) = 0 [pid 977] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 978] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 978] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 978] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 978] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 978] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 978] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 978] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 978] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 978] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 978] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 978] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 978] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 978] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 978] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 978] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 978] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 978] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 978] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 978] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 978] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 978] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 978] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 978] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 977] <... futex resumed>) = 0 [pid 978] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 977] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 978] <... sendmsg resumed>) = 0 [pid 977] <... mmap resumed>) = 0x7f6b2567d000 [pid 978] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 977] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 978] <... sendmsg resumed>) = 0 [pid 978] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 977] <... mprotect resumed>) = 0 [pid 978] <... sendmsg resumed>) = 0 [pid 977] rt_sigprocmask(SIG_BLOCK, ~[], [pid 978] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 977] <... rt_sigprocmask resumed>[], 8) = 0 [pid 977] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 978] <... sendmsg resumed>) = 0 [pid 978] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 978] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 978] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 977] <... clone3 resumed> => {parent_tid=[979]}, 88) = 979 ./strace-static-x86_64: Process 979 attached [pid 977] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 977] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000 [pid 978] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 977] <... futex resumed>) = 0 [pid 977] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 978] <... sendmsg resumed>) = 0 [pid 978] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 978] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 978] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 978] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 979] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 979] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 979] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 979] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 977] <... futex resumed>) = 0 [pid 979] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 977] exit_group(0) = ? [pid 978] <... futex resumed>) = ? [pid 979] <... futex resumed>) = ? [pid 978] +++ exited with 0 +++ [pid 979] +++ exited with 0 +++ [pid 977] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=977, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 980 ./strace-static-x86_64: Process 980 attached [pid 980] set_robust_list(0x55558059c6a0, 24) = 0 [pid 980] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 980] setpgid(0, 0) = 0 [pid 980] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 980] write(3, "1000", 4executing program ) = 4 [pid 980] close(3) = 0 [pid 980] write(1, "executing program\n", 18) = 18 [pid 980] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 980] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 980] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 980] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 980] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 980] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 980] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 981 attached => {parent_tid=[981]}, 88) = 981 [pid 981] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 981] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 981] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 980] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 980] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 981] <... futex resumed>) = 0 [pid 981] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 980] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 981] <... socketpair resumed>[3, 4]) = 0 [pid 981] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 981] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 980] <... futex resumed>) = 0 [pid 980] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 981] <... futex resumed>) = 0 [pid 980] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 981] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 981] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 981] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 980] <... futex resumed>) = 0 [pid 981] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 980] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 981] <... sendmsg resumed>) = 0 [pid 981] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 981] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 980] <... mmap resumed>) = 0x7f6b2567d000 [pid 981] <... sendmsg resumed>) = 0 [pid 981] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 981] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 981] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 981] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 981] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 981] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 981] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 981] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 980] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 981] <... sendmsg resumed>) = 0 [pid 980] <... mprotect resumed>) = 0 [pid 981] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 980] rt_sigprocmask(SIG_BLOCK, ~[], [pid 981] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 980] <... rt_sigprocmask resumed>[], 8) = 0 [pid 981] <... sendmsg resumed>) = 0 [pid 980] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 981] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 981] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 980] <... clone3 resumed> => {parent_tid=[982]}, 88) = 982 [pid 980] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 980] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 980] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 981] <... sendmsg resumed>) = 0 [pid 981] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 981] 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 982 attached ) = 0 [pid 981] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 981] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 982] set_robust_list(0x7f6b2569d9a0, 24 [pid 981] <... sendmsg resumed>) = 0 [pid 981] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 981] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 982] <... set_robust_list resumed>) = 0 [pid 981] <... sendmsg resumed>) = 0 [pid 981] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 982] rt_sigprocmask(SIG_SETMASK, [], [pid 981] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 981] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 981] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 981] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 981] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 982] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 981] <... sendmsg resumed>) = 0 [pid 981] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 982] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 981] <... sendmsg resumed>) = 0 [pid 981] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 981] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 981] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 981] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 982] <... setsockopt resumed>) = 0 [pid 982] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 980] <... futex resumed>) = 0 [pid 980] exit_group(0) = ? [pid 981] <... futex resumed>) = ? [pid 981] +++ exited with 0 +++ [pid 982] +++ exited with 0 +++ [pid 980] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=980, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 983 ./strace-static-x86_64: Process 983 attached [pid 983] set_robust_list(0x55558059c6a0, 24) = 0 [pid 983] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 983] setpgid(0, 0) = 0 [pid 983] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 983] write(3, "1000", 4) = 4 [pid 983] close(3) = 0 [pid 983] write(1, "executing program\n", 18executing program ) = 18 [pid 983] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 983] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 983] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 983] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 983] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 983] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 983] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 984 attached => {parent_tid=[984]}, 88) = 984 [pid 984] set_robust_list(0x7f6b256be9a0, 24 [pid 983] rt_sigprocmask(SIG_SETMASK, [], [pid 984] <... set_robust_list resumed>) = 0 [pid 983] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 984] rt_sigprocmask(SIG_SETMASK, [], [pid 983] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000 [pid 984] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 983] <... futex resumed>) = 0 [pid 984] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 983] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 984] <... socketpair resumed>[3, 4]) = 0 [pid 984] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 983] <... futex resumed>) = 0 [pid 983] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 983] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 983] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 983] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 983] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 983] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} => {parent_tid=[985]}, 88) = 985 [pid 983] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 983] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 983] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 985 attached [pid 985] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 985] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 985] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 984] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 985] <... setsockopt resumed>) = 0 [pid 985] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 983] <... futex resumed>) = 0 [pid 985] <... futex resumed>) = 1 [pid 985] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 984] <... sendmsg resumed>) = 0 [pid 984] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 984] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 984] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 984] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 984] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 984] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 984] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 984] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 984] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 984] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 984] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 984] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 984] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 984] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 984] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 984] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 984] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 984] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 984] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 984] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 984] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 984] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 984] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 984] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 984] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 984] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 984] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 984] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 984] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 984] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 984] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 984] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 984] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 984] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 983] exit_group(0) = ? [pid 985] <... futex resumed>) = ? [pid 984] <... futex resumed>) = ? [pid 984] +++ exited with 0 +++ [pid 985] +++ exited with 0 +++ [pid 983] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=983, si_uid=0, si_status=0, 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 986 attached , child_tidptr=0x55558059c690) = 986 [pid 986] set_robust_list(0x55558059c6a0, 24) = 0 [pid 986] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 986] setpgid(0, 0) = 0 [pid 986] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 986] write(3, "1000", 4) = 4 [pid 986] close(3) = 0 executing program [pid 986] write(1, "executing program\n", 18) = 18 [pid 986] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 986] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 986] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 986] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 986] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 986] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 986] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 987 attached [pid 987] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 987] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 987] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 986] <... clone3 resumed> => {parent_tid=[987]}, 88) = 987 [pid 986] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 986] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 987] <... futex resumed>) = 0 [pid 987] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 986] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 987] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 987] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 986] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 986] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 987] <... futex resumed>) = 0 [pid 987] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 986] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 987] <... sendmsg resumed>) = 0 [pid 987] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 987] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 987] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 987] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 987] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 987] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 987] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 987] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 987] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 987] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 987] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 987] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 987] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 987] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 986] <... futex resumed>) = 0 [pid 987] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 986] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 987] <... sendmsg resumed>) = 0 [pid 986] <... mmap resumed>) = 0x7f6b2567d000 [pid 987] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 986] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 987] <... sendmsg resumed>) = 0 [pid 986] <... mprotect resumed>) = 0 [pid 987] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 986] rt_sigprocmask(SIG_BLOCK, ~[], [pid 987] <... sendmsg resumed>) = 0 [pid 987] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 986] <... rt_sigprocmask resumed>[], 8) = 0 [pid 986] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 987] <... sendmsg resumed>) = 0 [pid 987] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 986] <... clone3 resumed> => {parent_tid=[988]}, 88) = 988 [pid 987] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 986] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 986] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000 [pid 987] <... sendmsg resumed>) = 0 [pid 986] <... futex resumed>) = 0 [pid 987] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 986] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 987] <... sendmsg resumed>) = 0 [pid 987] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 987] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 987] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 987] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 987] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 987] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 987] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 987] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 987] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 987] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 987] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 987] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 987] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 988 attached [pid 988] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 988] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 988] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 988] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 986] <... futex resumed>) = 0 [pid 986] exit_group(0) = ? [pid 987] <... futex resumed>) = ? [pid 987] +++ exited with 0 +++ [pid 988] +++ exited with 0 +++ [pid 986] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=986, si_uid=0, si_status=0, 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 989 attached , child_tidptr=0x55558059c690) = 989 [pid 989] set_robust_list(0x55558059c6a0, 24) = 0 [pid 989] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 989] setpgid(0, 0) = 0 [pid 989] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 989] write(3, "1000", 4) = 4 [pid 989] close(3) = 0 [pid 989] write(1, "executing program\n", 18executing program ) = 18 [pid 989] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 989] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 989] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 989] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 989] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 989] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 989] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 990 attached => {parent_tid=[990]}, 88) = 990 [pid 990] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 990] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 990] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 989] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 989] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 990] <... futex resumed>) = 0 [pid 989] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 990] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 990] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 990] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 989] <... futex resumed>) = 0 [pid 989] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 989] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 989] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 989] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 989] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 989] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} => {parent_tid=[991]}, 88) = 991 [pid 989] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 989] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 989] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 991 attached [pid 991] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 991] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 991] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 991] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 989] <... futex resumed>) = 0 [pid 991] <... futex resumed>) = 1 [pid 991] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 990] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 990] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 990] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 990] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 990] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 990] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 990] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 990] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 990] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 990] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 990] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 990] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 990] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 990] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 990] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 990] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 990] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 990] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 990] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 990] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 990] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 990] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 990] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 990] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 990] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 990] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 990] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 990] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 990] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 990] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 990] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 990] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 990] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 990] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 990] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 990] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 989] exit_group(0 [pid 990] <... futex resumed>) = ? [pid 989] <... exit_group resumed>) = ? [pid 990] +++ exited with 0 +++ [pid 991] <... futex resumed>) = ? [pid 991] +++ exited with 0 +++ [pid 989] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=989, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 992 ./strace-static-x86_64: Process 992 attached [pid 992] set_robust_list(0x55558059c6a0, 24) = 0 [pid 992] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 992] setpgid(0, 0) = 0 [pid 992] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 992] write(3, "1000", 4) = 4 [pid 992] close(3) = 0 executing program [pid 992] write(1, "executing program\n", 18) = 18 [pid 992] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 992] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 992] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 992] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 992] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 992] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 992] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 993 attached [pid 993] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 993] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 993] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 992] <... clone3 resumed> => {parent_tid=[993]}, 88) = 993 [pid 992] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 992] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 993] <... futex resumed>) = 0 [pid 992] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 993] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 993] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 993] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 992] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 992] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 993] <... futex resumed>) = 0 [pid 993] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 993] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 992] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 993] <... sendmsg resumed>) = 0 [pid 993] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 993] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 993] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 992] <... futex resumed>) = 0 [pid 993] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 993] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 993] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 993] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 993] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 993] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 993] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 993] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 993] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 993] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 993] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 993] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 992] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 993] <... sendmsg resumed>) = 0 [pid 992] <... mmap resumed>) = 0x7f6b2567d000 [pid 993] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 992] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 993] <... sendmsg resumed>) = 0 [pid 992] <... mprotect resumed>) = 0 [pid 993] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 992] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 993] <... sendmsg resumed>) = 0 [pid 992] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 993] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 992] <... clone3 resumed> => {parent_tid=[994]}, 88) = 994 [pid 992] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 993] <... sendmsg resumed>) = 0 [pid 992] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000 [pid 993] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 992] <... futex resumed>) = 0 [pid 992] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 993] <... sendmsg resumed>) = 0 [pid 993] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 993] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 993] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 993] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 993] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 993] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 993] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 993] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 993] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 993] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 993] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 993] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 993] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 993] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 994 attached [pid 994] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 994] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 994] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 994] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 992] <... futex resumed>) = 0 [pid 994] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 992] exit_group(0) = ? [pid 994] <... futex resumed>) = ? [pid 993] <... futex resumed>) = ? [pid 994] +++ exited with 0 +++ [pid 993] +++ exited with 0 +++ [pid 992] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=992, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 995 ./strace-static-x86_64: Process 995 attached [pid 995] set_robust_list(0x55558059c6a0, 24) = 0 [pid 995] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 995] setpgid(0, 0) = 0 [pid 995] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 995] write(3, "1000", 4) = 4 [pid 995] close(3) = 0 [pid 995] write(1, "executing program\n", 18executing program ) = 18 [pid 995] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 995] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 995] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 995] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 995] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 995] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 995] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 996 attached [pid 996] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 996] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 996] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 995] <... clone3 resumed> => {parent_tid=[996]}, 88) = 996 [pid 995] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 995] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 996] <... futex resumed>) = 0 [pid 996] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 996] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 996] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 995] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 995] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 996] <... futex resumed>) = 0 [pid 996] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 996] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 996] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 996] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 996] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 996] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 996] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 996] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 996] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 995] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 996] <... sendmsg resumed>) = 0 [pid 996] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 996] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 996] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 996] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 995] <... futex resumed>) = 0 [pid 996] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 996] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 996] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 996] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 996] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 996] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 996] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 996] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 996] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 996] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 996] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 996] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 996] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 995] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 996] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 996] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 996] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 996] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 996] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 996] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 996] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 996] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 996] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 995] <... mmap resumed>) = 0x7f6b2567d000 [pid 995] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 995] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 995] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0}./strace-static-x86_64: Process 997 attached [pid 997] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 995] <... clone3 resumed> => {parent_tid=[997]}, 88) = 997 [pid 997] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 997] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 995] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 995] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 997] <... futex resumed>) = 0 [pid 997] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 997] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 997] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 995] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 995] exit_group(0 [pid 996] <... futex resumed>) = ? [pid 995] <... exit_group resumed>) = ? [pid 996] +++ exited with 0 +++ [pid 997] <... futex resumed>) = ? [pid 997] +++ exited with 0 +++ [pid 995] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=995, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 998 ./strace-static-x86_64: Process 998 attached [pid 998] set_robust_list(0x55558059c6a0, 24) = 0 [pid 998] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 998] setpgid(0, 0) = 0 [pid 998] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 998] write(3, "1000", 4) = 4 [pid 998] close(3executing program ) = 0 [pid 998] write(1, "executing program\n", 18) = 18 [pid 998] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 998] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 998] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 998] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 998] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 998] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 998] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 999 attached [pid 999] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 999] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 999] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 998] <... clone3 resumed> => {parent_tid=[999]}, 88) = 999 [pid 998] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 998] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 999] <... futex resumed>) = 0 [pid 999] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 998] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 999] <... socketpair resumed>[3, 4]) = 0 [pid 999] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 999] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 998] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 998] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 999] <... futex resumed>) = 0 [pid 999] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 999] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 999] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 999] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 999] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 999] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 999] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 999] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 999] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 999] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 999] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 998] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 999] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 999] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 998] <... futex resumed>) = 0 [pid 999] <... sendmsg resumed>) = 0 [pid 999] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 998] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 999] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 999] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 999] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 999] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 999] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 998] <... mmap resumed>) = 0x7f6b2567d000 [pid 999] <... sendmsg resumed>) = 0 [pid 999] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 998] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 999] <... sendmsg resumed>) = 0 [pid 999] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 999] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 999] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 999] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 999] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 999] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 999] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 999] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 999] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 999] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 999] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 999] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 998] <... mprotect resumed>) = 0 [pid 999] <... sendmsg resumed>) = 0 [pid 999] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 999] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 999] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 998] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 998] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0}./strace-static-x86_64: Process 1000 attached => {parent_tid=[1000]}, 88) = 1000 [pid 1000] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 1000] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1000] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 998] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 998] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1000] <... futex resumed>) = 0 [pid 998] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1000] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 1000] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1000] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 998] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 998] exit_group(0 [pid 999] <... futex resumed>) = ? [pid 998] <... exit_group resumed>) = ? [pid 999] +++ exited with 0 +++ [pid 1000] <... futex resumed>) = ? [pid 1000] +++ exited with 0 +++ [pid 998] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=998, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 1001 ./strace-static-x86_64: Process 1001 attached [pid 1001] set_robust_list(0x55558059c6a0, 24) = 0 [pid 1001] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1001] setpgid(0, 0) = 0 [pid 1001] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1001] write(3, "1000", 4) = 4 [pid 1001] close(3) = 0 [pid 1001] write(1, "executing program\n", 18executing program ) = 18 [pid 1001] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1001] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 1001] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1001] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 1001] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1001] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1001] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 1002 attached => {parent_tid=[1002]}, 88) = 1002 [pid 1002] set_robust_list(0x7f6b256be9a0, 24 [pid 1001] rt_sigprocmask(SIG_SETMASK, [], [pid 1002] <... set_robust_list resumed>) = 0 [pid 1001] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 1002] rt_sigprocmask(SIG_SETMASK, [], [pid 1001] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000 [pid 1002] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 1001] <... futex resumed>) = 0 [pid 1002] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 1001] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1002] <... socketpair resumed>[3, 4]) = 0 [pid 1002] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000 [pid 1001] <... futex resumed>) = 0 [pid 1002] <... futex resumed>) = 1 [pid 1001] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000 [pid 1002] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 1001] <... futex resumed>) = 0 [pid 1002] <... sendmsg resumed>) = 0 [pid 1001] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 1002] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 1001] <... futex resumed>) = 0 [pid 1002] <... sendmsg resumed>) = 0 [pid 1001] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 1002] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 1001] <... mmap resumed>) = 0x7f6b2567d000 [pid 1002] <... sendmsg resumed>) = 0 [pid 1001] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 1002] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 1001] <... mprotect resumed>) = 0 [pid 1001] rt_sigprocmask(SIG_BLOCK, ~[], [pid 1002] <... sendmsg resumed>) = 0 [pid 1001] <... rt_sigprocmask resumed>[], 8) = 0 [pid 1002] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 1001] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0}./strace-static-x86_64: Process 1003 attached [pid 1002] <... sendmsg resumed>) = 0 [pid 1002] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 1001] <... clone3 resumed> => {parent_tid=[1003]}, 88) = 1003 [pid 1003] set_robust_list(0x7f6b2569d9a0, 24 [pid 1002] <... sendmsg resumed>) = 0 [pid 1003] <... set_robust_list resumed>) = 0 [pid 1001] rt_sigprocmask(SIG_SETMASK, [], [pid 1003] rt_sigprocmask(SIG_SETMASK, [], [pid 1002] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 1001] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 1003] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 1002] <... sendmsg resumed>) = 0 [pid 1001] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000 [pid 1003] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 1002] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 1003] <... setsockopt resumed>) = 0 [pid 1001] <... futex resumed>) = 0 [pid 1003] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 1002] <... sendmsg resumed>) = 0 [pid 1001] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1003] <... futex resumed>) = 0 [pid 1002] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 1001] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 1003] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1002] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 1002] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 1002] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 1002] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 1002] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 1002] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 1002] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 1002] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 1002] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 1002] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 1002] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 1002] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 1002] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 1002] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 1002] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 1002] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 1002] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 1002] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 1002] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 1002] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 1002] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 1002] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 1002] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 1002] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 1002] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 1002] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1002] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1001] exit_group(0 [pid 1003] <... futex resumed>) = 230 [pid 1002] <... futex resumed>) = ? [pid 1001] <... exit_group resumed>) = ? [pid 1002] +++ exited with 0 +++ [pid 1003] +++ exited with 0 +++ [pid 1001] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1001, si_uid=0, si_status=0, 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 1004 attached , child_tidptr=0x55558059c690) = 1004 [pid 1004] set_robust_list(0x55558059c6a0, 24) = 0 [pid 1004] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1004] setpgid(0, 0) = 0 [pid 1004] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1004] write(3, "1000", 4) = 4 executing program [pid 1004] close(3) = 0 [pid 1004] write(1, "executing program\n", 18) = 18 [pid 1004] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1004] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 1004] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1004] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 1004] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1004] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1004] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 1005 attached [pid 1005] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 1005] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1005] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1004] <... clone3 resumed> => {parent_tid=[1005]}, 88) = 1005 [pid 1004] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1004] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1005] <... futex resumed>) = 0 [pid 1005] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 1004] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1005] <... socketpair resumed>[3, 4]) = 0 [pid 1005] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1005] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1004] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 1004] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1005] <... futex resumed>) = 0 [pid 1004] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 1005] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1005] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1005] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1005] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1005] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1004] <... futex resumed>) = 0 [pid 1005] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1005] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1005] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1005] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1005] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 1004] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 1005] <... sendmsg resumed>) = 0 [pid 1005] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1005] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1005] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1005] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1004] <... mmap resumed>) = 0x7f6b2567d000 [pid 1005] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 1004] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 1005] <... sendmsg resumed>) = 0 [pid 1004] <... mprotect resumed>) = 0 [pid 1005] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 1004] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1004] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 1005] <... sendmsg resumed>) = 0 [pid 1005] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1005] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1004] <... clone3 resumed> => {parent_tid=[1006]}, 88) = 1006 [pid 1005] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 1004] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1004] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000 [pid 1005] <... sendmsg resumed>) = 0 [pid 1004] <... futex resumed>) = 0 [pid 1005] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 1004] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1005] <... sendmsg resumed>) = 0 [pid 1005] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1005] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1005] 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 1006 attached ) = 0 [pid 1005] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1005] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1005] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1005] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1005] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1005] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1005] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 1006] set_robust_list(0x7f6b2569d9a0, 24 [pid 1005] <... sendmsg resumed>) = 0 [pid 1005] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 1006] <... set_robust_list resumed>) = 0 [pid 1005] <... sendmsg resumed>) = 0 [pid 1005] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1005] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1005] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1005] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1006] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1006] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 1006] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1004] <... futex resumed>) = 0 [pid 1004] exit_group(0) = ? [pid 1005] <... futex resumed>) = ? [pid 1006] +++ exited with 0 +++ [pid 1005] +++ exited with 0 +++ [pid 1004] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1004, si_uid=0, si_status=0, 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 1007 attached , child_tidptr=0x55558059c690) = 1007 [pid 1007] set_robust_list(0x55558059c6a0, 24) = 0 [pid 1007] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1007] setpgid(0, 0) = 0 [pid 1007] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1007] write(3, "1000", 4) = 4 [pid 1007] close(3) = 0 [pid 1007] write(1, "executing program\n", 18executing program ) = 18 [pid 1007] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1007] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 1007] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1007] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 1007] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1007] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1007] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 1008 attached => {parent_tid=[1008]}, 88) = 1008 [pid 1008] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 1008] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1008] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1007] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1007] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1008] <... futex resumed>) = 0 [pid 1008] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 1007] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1008] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1008] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1007] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 1007] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1008] <... futex resumed>) = 0 [pid 1008] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1008] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1007] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 1008] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1008] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1008] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1008] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1008] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1008] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1008] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1008] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1008] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1008] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1008] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1008] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1008] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1008] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1008] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1008] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1008] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1008] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1008] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1008] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1008] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1008] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1008] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1007] <... futex resumed>) = 0 [pid 1008] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 1007] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 1008] <... sendmsg resumed>) = 0 [pid 1008] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1007] <... mmap resumed>) = 0x7f6b2567d000 [pid 1008] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 1007] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 1008] <... sendmsg resumed>) = 0 [pid 1007] <... mprotect resumed>) = 0 [pid 1008] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 1007] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1008] <... sendmsg resumed>) = 0 [pid 1008] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 1007] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 1008] <... sendmsg resumed>) = 0 [pid 1008] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 1007] <... clone3 resumed> => {parent_tid=[1009]}, 88) = 1009 [pid 1007] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1007] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1008] <... sendmsg resumed>) = 0 [pid 1007] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1008] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1008] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1008] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1008] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 1009 attached [pid 1009] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 1009] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1009] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 1009] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1007] <... futex resumed>) = 0 [pid 1007] exit_group(0) = ? [pid 1009] +++ exited with 0 +++ [pid 1008] <... futex resumed>) = ? [pid 1008] +++ exited with 0 +++ [pid 1007] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1007, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 1010 ./strace-static-x86_64: Process 1010 attached [pid 1010] set_robust_list(0x55558059c6a0, 24) = 0 [pid 1010] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1010] setpgid(0, 0) = 0 [pid 1010] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1010] write(3, "1000", 4executing program ) = 4 [pid 1010] close(3) = 0 [pid 1010] write(1, "executing program\n", 18) = 18 [pid 1010] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1010] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 1010] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1010] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 1010] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1010] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1010] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 1011 attached => {parent_tid=[1011]}, 88) = 1011 [pid 1011] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 1011] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1011] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1010] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1010] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1011] <... futex resumed>) = 0 [pid 1011] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 1010] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1011] <... socketpair resumed>[3, 4]) = 0 [pid 1011] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1011] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1010] <... futex resumed>) = 0 [pid 1010] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1011] <... futex resumed>) = 0 [pid 1011] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1011] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1011] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1011] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1011] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1010] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 1011] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 1010] <... futex resumed>) = 0 [pid 1010] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 1010] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1010] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1010] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} => {parent_tid=[1012]}, 88) = 1012 [pid 1010] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1010] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1010] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 1012 attached [pid 1012] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 1012] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1012] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 1012] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 1010] <... futex resumed>) = 0 [pid 1012] <... futex resumed>) = 1 [pid 1012] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1011] <... sendmsg resumed>) = 0 [pid 1011] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 1011] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 1011] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 1011] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 1011] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 1011] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 1011] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 1011] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 1011] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 1011] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 1011] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 1011] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 1011] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 1011] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 1011] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 1011] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 1011] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 1011] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 1011] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 1011] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 1011] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 1011] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 1011] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 1011] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 1011] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 1011] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 1011] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 1011] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1011] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1010] exit_group(0 [pid 1011] <... futex resumed>) = 231 [pid 1010] <... exit_group resumed>) = ? [pid 1012] <... futex resumed>) = ? [pid 1012] +++ exited with 0 +++ [pid 1011] +++ exited with 0 +++ [pid 1010] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1010, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 1013 ./strace-static-x86_64: Process 1013 attached [pid 1013] set_robust_list(0x55558059c6a0, 24) = 0 [pid 1013] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1013] setpgid(0, 0) = 0 [pid 1013] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1013] write(3, "1000", 4) = 4 executing program [pid 1013] close(3) = 0 [pid 1013] write(1, "executing program\n", 18) = 18 [pid 1013] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1013] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 1013] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1013] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 1013] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1013] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1013] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 1014 attached => {parent_tid=[1014]}, 88) = 1014 [pid 1014] set_robust_list(0x7f6b256be9a0, 24 [pid 1013] rt_sigprocmask(SIG_SETMASK, [], [pid 1014] <... set_robust_list resumed>) = 0 [pid 1013] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 1013] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000 [pid 1014] rt_sigprocmask(SIG_SETMASK, [], [pid 1013] <... futex resumed>) = 0 [pid 1014] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 1013] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1014] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 1014] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1013] <... futex resumed>) = 0 [pid 1013] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1013] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 1014] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 1013] <... futex resumed>) = 0 [pid 1013] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2567d000 [pid 1013] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1013] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1013] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} => {parent_tid=[1015]}, 88) = 1015 [pid 1013] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1013] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1013] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 1015 attached [pid 1015] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 1015] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1015] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 1015] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 1013] <... futex resumed>) = 0 [pid 1015] <... futex resumed>) = 1 [pid 1014] <... sendmsg resumed>) = 0 [pid 1015] futex(0x7f6b25787338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1014] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1014] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 1014] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 1014] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 1014] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 1014] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 1014] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 1014] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 1014] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 1014] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 1014] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 1014] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 1014] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 1014] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 1014] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 1014] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 1014] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 1014] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 1014] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 1014] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 1014] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 1014] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 1014] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 1014] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 1014] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 1014] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 1014] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 1014] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 1014] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 1014] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 1014] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 1014] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 1014] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1014] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1013] exit_group(0) = ? [pid 1015] <... futex resumed>) = ? [pid 1014] <... futex resumed>) = ? [pid 1014] +++ exited with 0 +++ [pid 1015] +++ exited with 0 +++ [pid 1013] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1013, si_uid=0, si_status=0, 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 1016 attached , child_tidptr=0x55558059c690) = 1016 [pid 1016] set_robust_list(0x55558059c6a0, 24) = 0 [pid 1016] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1016] setpgid(0, 0) = 0 [pid 1016] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1016] write(3, "1000", 4) = 4 [pid 1016] close(3) = 0 executing program [pid 1016] write(1, "executing program\n", 18) = 18 [pid 1016] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1016] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 1016] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1016] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 1016] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1016] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1016] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 1017 attached [pid 1017] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 1017] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1017] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1016] <... clone3 resumed> => {parent_tid=[1017]}, 88) = 1017 [pid 1016] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1016] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1017] <... futex resumed>) = 0 [pid 1017] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 1017] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1017] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1016] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 1016] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1017] <... futex resumed>) = 0 [pid 1016] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 1017] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1016] <... futex resumed>) = 0 [pid 1017] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 1016] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 1017] <... sendmsg resumed>) = 0 [pid 1017] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1017] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1017] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1017] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1017] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1017] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1017] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 1016] <... mmap resumed>) = 0x7f6b2567d000 [pid 1016] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 1017] <... sendmsg resumed>) = 0 [pid 1016] <... mprotect resumed>) = 0 [pid 1017] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 1016] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1017] <... sendmsg resumed>) = 0 [pid 1017] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 1016] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 1017] <... sendmsg resumed>) = 0 [pid 1017] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 1016] <... clone3 resumed> => {parent_tid=[1018]}, 88) = 1018 [pid 1017] <... sendmsg resumed>) = 0 [pid 1016] rt_sigprocmask(SIG_SETMASK, [], [pid 1017] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 1016] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 1016] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1017] <... sendmsg resumed>) = 0 [pid 1016] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1017] 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 1018 attached [pid 1017] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1017] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1017] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1017] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1017] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 1018] set_robust_list(0x7f6b2569d9a0, 24 [pid 1017] <... sendmsg resumed>) = 0 [pid 1017] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1017] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1017] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1018] <... set_robust_list resumed>) = 0 [pid 1017] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1017] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1017] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1017] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1017] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 1018] rt_sigprocmask(SIG_SETMASK, [], [pid 1017] <... sendmsg resumed>) = 0 [pid 1017] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 1018] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 1017] <... sendmsg resumed>) = 0 [pid 1017] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1017] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1017] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1017] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1017] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1017] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1017] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1018] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 1018] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1016] <... futex resumed>) = 0 [pid 1016] exit_group(0) = ? [pid 1017] <... futex resumed>) = ? [pid 1017] +++ exited with 0 +++ [pid 1018] +++ exited with 0 +++ [pid 1016] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1016, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558059c690) = 1019 ./strace-static-x86_64: Process 1019 attached [pid 1019] set_robust_list(0x55558059c6a0, 24) = 0 [pid 1019] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1019] setpgid(0, 0) = 0 [pid 1019] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1019] write(3, "1000", 4) = 4 [pid 1019] close(3) = 0 [pid 1019] write(1, "executing program\n", 18executing program ) = 18 [pid 1019] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1019] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 1019] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1019] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 1019] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1019] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1019] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 1020 attached => {parent_tid=[1020]}, 88) = 1020 [pid 1020] set_robust_list(0x7f6b256be9a0, 24) = 0 [pid 1020] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1020] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1019] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1019] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1020] <... futex resumed>) = 0 [pid 1020] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 1019] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1020] <... socketpair resumed>[3, 4]) = 0 [pid 1020] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1020] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1019] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 1019] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1020] <... futex resumed>) = 0 [pid 1020] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1020] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1020] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1020] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1020] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1020] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1020] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1020] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1020] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1020] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1020] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1019] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 1020] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1020] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1020] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1020] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1020] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1020] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1020] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1020] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1020] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1019] <... futex resumed>) = 0 [pid 1020] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 1019] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 1020] <... sendmsg resumed>) = 0 [pid 1019] <... mmap resumed>) = 0x7f6b2567d000 [pid 1020] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 1019] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE [pid 1020] <... sendmsg resumed>) = 0 [pid 1019] <... mprotect resumed>) = 0 [pid 1020] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 1019] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1019] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 1020] <... sendmsg resumed>) = 0 [pid 1020] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1020] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1020] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1019] <... clone3 resumed> => {parent_tid=[1021]}, 88) = 1021 [pid 1020] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 1019] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1019] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000 [pid 1020] <... sendmsg resumed>) = 0 [pid 1019] <... futex resumed>) = 0 [pid 1019] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1020] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1020] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1020] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1020] 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 1021 attached [pid 1020] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1020] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1020] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1020] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1021] set_robust_list(0x7f6b2569d9a0, 24) = 0 [pid 1021] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1021] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 1021] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1019] <... futex resumed>) = 0 [pid 1019] exit_group(0) = ? [pid 1020] <... futex resumed>) = ? [pid 1020] +++ exited with 0 +++ [pid 1021] +++ exited with 0 +++ [pid 1019] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1019, si_uid=0, si_status=0, 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 1022 attached , child_tidptr=0x55558059c690) = 1022 [pid 1022] set_robust_list(0x55558059c6a0, 24) = 0 [pid 1022] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1022] setpgid(0, 0) = 0 [pid 1022] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1022] write(3, "1000", 4executing program ) = 4 [pid 1022] close(3) = 0 [pid 1022] write(1, "executing program\n", 18) = 18 [pid 1022] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1022] rt_sigaction(SIGRT_1, {sa_handler=0x7f6b25723320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b257149a0}, NULL, 8) = 0 [pid 1022] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 1022] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b2569e000 [pid 1022] mprotect(0x7f6b2569f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1022] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1022] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b256be990, parent_tid=0x7f6b256be990, exit_signal=0, stack=0x7f6b2569e000, stack_size=0x20300, tls=0x7f6b256be6c0}./strace-static-x86_64: Process 1023 attached => {parent_tid=[1023]}, 88) = 1023 [pid 1023] set_robust_list(0x7f6b256be9a0, 24 [pid 1022] rt_sigprocmask(SIG_SETMASK, [], [pid 1023] <... set_robust_list resumed>) = 0 [pid 1023] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1023] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1022] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 1022] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1023] <... futex resumed>) = 0 [pid 1023] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 1022] futex(0x7f6b2578732c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1023] <... socketpair resumed>[3, 4]) = 0 [pid 1023] futex(0x7f6b2578732c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1023] futex(0x7f6b25787328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 1022] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 1022] futex(0x7f6b25787328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 1023] <... futex resumed>) = 0 [pid 1023] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1023] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1023] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1022] futex(0x7f6b2578733c, FUTEX_WAKE_PRIVATE, 1000000 [pid 1023] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1023] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1022] <... futex resumed>) = 0 [pid 1023] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 1022] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 1023] <... sendmsg resumed>) = 0 [pid 1022] <... mmap resumed>) = 0x7f6b2567d000 [pid 1023] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1023] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1023] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1023] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1022] mprotect(0x7f6b2567e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 1023] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 1022] rt_sigprocmask(SIG_BLOCK, ~[], [pid 1023] <... sendmsg resumed>) = 0 [pid 1022] <... rt_sigprocmask resumed>[], 8) = 0 [pid 1022] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6b2569d990, parent_tid=0x7f6b2569d990, exit_signal=0, stack=0x7f6b2567d000, stack_size=0x20300, tls=0x7f6b2569d6c0} [pid 1023] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 1022] <... clone3 resumed> => {parent_tid=[1024]}, 88) = 1024 ./strace-static-x86_64: Process 1024 attached [pid 1022] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1022] futex(0x7f6b25787338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 1022] futex(0x7f6b2578733c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 1023] <... sendmsg resumed>) = 0 [pid 1023] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 1024] set_robust_list(0x7f6b2569d9a0, 24 [pid 1023] <... sendmsg resumed>) = 0 [pid 1023] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1024] <... set_robust_list resumed>) = 0 [pid 1023] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1023] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 1024] rt_sigprocmask(SIG_SETMASK, [], [pid 1023] <... sendmsg resumed>) = 0 [pid 1023] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1023] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1023] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1023] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1023] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1024] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 1023] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1023] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1023] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 1024] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 1023] <... sendmsg resumed>) = 0 [pid 1023] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1023] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1023] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1023] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1023] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1023] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 1023] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [ 321.866689][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 321.873832][ C1] rcu: 1-...!: (10000 ticks this GP) idle=7fd/1/0x4000000000000000 softirq=2960/2960 fqs=0 last_accelerate: e136/0846 dyntick_enabled: 1 [ 321.887875][ C1] (t=10000 jiffies g=2169 q=3) [ 321.892714][ C1] rcu: rcu_preempt kthread timer wakeup didn't happen for 9999 jiffies! g2169 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 [ 321.904864][ C1] rcu: Possible timer handling issue on cpu=1 timer-softirq=1239 [ 321.912636][ C1] rcu: rcu_preempt kthread starved for 10000 jiffies! g2169 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=1 [ 321.923888][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 321.933828][ C1] rcu: RCU grace-period kthread stack dump: [ 321.939771][ C1] task:rcu_preempt state:I stack:28752 pid: 14 ppid: 2 flags:0x00004000 [ 321.949065][ C1] Call Trace: [ 321.952344][ C1] [ 321.955249][ C1] __schedule+0xb6e/0x14c0 [ 321.959656][ C1] ? release_firmware_map_entry+0x190/0x190 [ 321.965520][ C1] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 321.971313][ C1] ? __mod_timer+0x7ae/0xb30 [ 321.975894][ C1] schedule+0x11e/0x1e0 [ 321.980035][ C1] schedule_timeout+0x12c/0x2e0 [ 321.984994][ C1] ? console_conditional_schedule+0x30/0x30 [ 321.990889][ C1] ? update_process_times+0x200/0x200 [ 321.996245][ C1] ? prepare_to_swait_event+0x308/0x320 [ 322.001943][ C1] rcu_gp_fqs_loop+0x293/0xf60 [ 322.006698][ C1] ? debug_smp_processor_id+0x17/0x20 [ 322.012063][ C1] ? __note_gp_changes+0x4e2/0x9e0 [ 322.017181][ C1] ? rcu_gp_init+0xc00/0xc00 [ 322.021762][ C1] ? _raw_spin_unlock_irq+0x4e/0x70 [ 322.026940][ C1] ? rcu_gp_init+0x9a7/0xc00 [ 322.031513][ C1] rcu_gp_kthread+0x98/0x330 [ 322.036078][ C1] ? wake_nocb_gp+0x1d0/0x1d0 [ 322.040725][ C1] ? __kasan_check_read+0x11/0x20 [ 322.045723][ C1] ? __kthread_parkme+0xac/0x200 [ 322.050648][ C1] ? preempt_count_add+0x90/0x1b0 [ 322.055643][ C1] kthread+0x411/0x500 [ 322.059684][ C1] ? wake_nocb_gp+0x1d0/0x1d0 [ 322.064334][ C1] ? kthread_blkcg+0xd0/0xd0 [ 322.068899][ C1] ret_from_fork+0x1f/0x30 [ 322.073461][ C1] [ 322.076554][ C1] rcu: Stack dump where RCU GP kthread last ran: [ 322.082848][ C1] NMI backtrace for cpu 1 [ 322.087244][ C1] CPU: 1 PID: 1024 Comm: syz-executor260 Not tainted 5.15.189-syzkaller-android13-5.15.189_r00 #0 [ 322.097823][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 322.107860][ C1] Call Trace: [ 322.111121][ C1] [ 322.113944][ C1] __dump_stack+0x21/0x30 [ 322.118311][ C1] dump_stack_lvl+0xee/0x150 [ 322.122873][ C1] ? show_regs_print_info+0x20/0x20 [ 322.128061][ C1] dump_stack+0x15/0x20 [ 322.132194][ C1] nmi_cpu_backtrace+0x2b4/0x2c0 [ 322.137103][ C1] ? nmi_trigger_cpumask_backtrace+0x240/0x240 [ 322.143251][ C1] ? load_image+0x3a0/0x3a0 [ 322.147740][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 322.153788][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 322.159844][ C1] nmi_trigger_cpumask_backtrace+0x138/0x240 [ 322.165808][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 322.171776][ C1] rcu_check_gp_kthread_starvation+0x1e0/0x260 [ 322.177905][ C1] ? rcu_check_gp_kthread_expired_fqs_timer+0x186/0x230 [ 322.185245][ C1] print_cpu_stall+0x31b/0x600 [ 322.189986][ C1] rcu_sched_clock_irq+0x74a/0x12b0 [ 322.195153][ C1] ? rcu_boost_kthread_setaffinity+0x310/0x310 [ 322.201284][ C1] ? raise_softirq+0x71/0xe0 [ 322.205847][ C1] ? __raise_softirq_irqoff+0xd0/0xd0 [ 322.211213][ C1] ? hrtimer_run_queues+0x166/0x430 [ 322.216385][ C1] update_process_times+0x198/0x200 [ 322.221555][ C1] tick_sched_timer+0x17c/0x240 [ 322.226390][ C1] ? tick_setup_sched_timer+0x450/0x450 [ 322.231919][ C1] __hrtimer_run_queues+0x3b5/0x9e0 [ 322.237097][ C1] ? __kasan_check_write+0x14/0x20 [ 322.242196][ C1] ? hrtimer_interrupt+0x8c0/0x8c0 [ 322.247286][ C1] ? ktime_get_update_offsets_now+0x2fa/0x310 [ 322.253328][ C1] hrtimer_interrupt+0x3c7/0x8c0 [ 322.258274][ C1] __sysvec_apic_timer_interrupt+0xfa/0x3e0 [ 322.264169][ C1] sysvec_apic_timer_interrupt+0xa4/0xc0 [ 322.269779][ C1] [ 322.272697][ C1] [ 322.275616][ C1] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 322.281578][ C1] RIP: 0010:kasan_check_range+0x85/0x290 [ 322.287327][ C1] Code: 03 4e 8d 14 3b 4d 89 d6 4d 29 ce 49 83 fe 10 7f 26 4d 85 f6 0f 84 39 01 00 00 48 f7 d3 4c 01 db 41 80 39 00 0f 85 c2 01 00 00 <49> ff c1 48 ff c3 75 ee e9 1c 01 00 00 44 89 cb 83 e3 07 0f 84 b5 [ 322.306932][ C1] RSP: 0018:ffffc900015a6928 EFLAGS: 00000246 [ 322.313076][ C1] RAX: 0000000000000001 RBX: ffffffffffffffff RCX: ffffffff848d0bc6 [ 322.321025][ C1] RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888110c9a380 [ 322.328987][ C1] RBP: ffffc900015a6940 R08: dffffc0000000000 R09: ffffed1022193470 [ 322.337022][ C1] R10: ffffed1022193471 R11: 1ffff11022193470 R12: ffffffff87176e80 [ 322.344993][ C1] R13: dffffc0000000000 R14: 0000000000000001 R15: dffffc0000000001 [ 322.353026][ C1] ? tipc_sk_rcv+0x19f6/0x2c60 [ 322.357896][ C1] __kasan_check_write+0x14/0x20 [ 322.362806][ C1] tipc_sk_rcv+0x19f6/0x2c60 [ 322.367375][ C1] ? stack_trace_save+0x98/0xe0 [ 322.372216][ C1] ? __stack_depot_save+0x442/0x480 [ 322.377407][ C1] ? kasan_set_free_info+0x23/0x40 [ 322.382506][ C1] ? __kasan_slab_free+0x11/0x20 [ 322.387434][ C1] ? tipc_node_xmit+0x256/0xce0 [ 322.392273][ C1] ? sock_setsockopt+0x1b65/0x2270 [ 322.397363][ C1] ? __sys_setsockopt+0x268/0x460 [ 322.402374][ C1] ? __x64_sys_setsockopt+0xbf/0xd0 [ 322.407551][ C1] ? __skb_queue_purge+0x170/0x170 [ 322.412653][ C1] tipc_node_xmit+0x256/0xce0 [ 322.417321][ C1] ? kasan_quarantine_put+0x34/0x190 [ 322.422609][ C1] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 322.428210][ C1] ? ____kasan_slab_free+0x130/0x160 [ 322.433476][ C1] ? __kasan_slab_free+0x11/0x20 [ 322.438488][ C1] ? slab_free_freelist_hook+0xc2/0x190 [ 322.444014][ C1] ? kfree_skbmem+0x10c/0x180 [ 322.448660][ C1] tipc_node_distr_xmit+0x292/0x390 [ 322.453926][ C1] ? tipc_node_xmit_skb+0x130/0x130 [ 322.459094][ C1] tipc_sk_rcv+0x19de/0x2c60 [ 322.463832][ C1] ? __x64_sys_setsockopt+0xbf/0xd0 [ 322.469103][ C1] ? __skb_queue_purge+0x170/0x170 [ 322.474201][ C1] tipc_node_xmit+0x256/0xce0 [ 322.478852][ C1] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 322.484436][ C1] ? __kernel_text_address+0xa0/0x100 [ 322.489917][ C1] ? unwind_get_return_address+0x4d/0x90 [ 322.495546][ C1] ? stack_trace_save+0xe0/0xe0 [ 322.500462][ C1] ? arch_stack_walk+0xee/0x140 [ 322.505291][ C1] tipc_sk_filter_rcv+0x151b/0x2c40 [ 322.510683][ C1] ? tipc_sk_publish+0x440/0x440 [ 322.516028][ C1] ? __kasan_check_write+0x14/0x20 [ 322.521135][ C1] ? _raw_spin_lock_bh+0x8e/0xe0 [ 322.526061][ C1] tipc_sk_rcv+0x7b7/0x2c60 [ 322.530548][ C1] ? kfree_skbmem+0x10c/0x180 [ 322.535211][ C1] ? skb_release_data+0x814/0xa10 [ 322.540216][ C1] ? __skb_queue_purge+0x170/0x170 [ 322.545315][ C1] ? tipc_sk_filter_rcv+0x29de/0x2c40 [ 322.550663][ C1] tipc_node_xmit+0x256/0xce0 [ 322.555318][ C1] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 322.560840][ C1] tipc_node_distr_xmit+0x292/0x390 [ 322.566010][ C1] ? tipc_node_xmit_skb+0x130/0x130 [ 322.571179][ C1] ? preempt_schedule_irq+0xbb/0x110 [ 322.576445][ C1] ? selinux_capable+0x29c/0x380 [ 322.581389][ C1] tipc_sk_backlog_rcv+0x16f/0x1f0 [ 322.586504][ C1] ? tipc_sk_timeout+0x970/0x970 [ 322.591425][ C1] __release_sock+0x143/0x350 [ 322.596097][ C1] sock_setsockopt+0x1b65/0x2270 [ 322.601019][ C1] ? __sock_set_mark+0x160/0x160 [ 322.605931][ C1] ? selinux_socket_setsockopt+0x21c/0x300 [ 322.611715][ C1] ? selinux_socket_getsockopt+0x2e0/0x2e0 [ 322.617500][ C1] ? cgroup_update_frozen+0x15c/0x970 [ 322.622978][ C1] ? __fget_files+0x2c4/0x320 [ 322.627642][ C1] ? security_socket_setsockopt+0x82/0xa0 [ 322.633356][ C1] __sys_setsockopt+0x268/0x460 [ 322.638189][ C1] ? _raw_spin_unlock_irq+0x4e/0x70 [ 322.643369][ C1] ? __ia32_sys_recv+0xb0/0xb0 [ 322.648156][ C1] ? __kasan_check_write+0x14/0x20 [ 322.653301][ C1] __x64_sys_setsockopt+0xbf/0xd0 [ 322.658353][ C1] x64_sys_call+0x982/0x9a0 [ 322.662834][ C1] do_syscall_64+0x4c/0xa0 [ 322.667256][ C1] ? clear_bhb_loop+0x50/0xa0 [ 322.671931][ C1] ? clear_bhb_loop+0x50/0xa0 [ 322.676585][ C1] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 322.682550][ C1] RIP: 0033:0x7f6b256fd3e9 [ 322.686942][ 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 [ 322.706523][ C1] RSP: 002b:00007f6b2569d218 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 322.714908][ C1] RAX: ffffffffffffffda RBX: 00007f6b2569d6c0 RCX: 00007f6b256fd3e9 [ 322.722854][ C1] RDX: 0000000000000021 RSI: 0000000000000001 RDI: 0000000000000003 [ 322.730797][ C1] RBP: 00007f6b25787338 R08: 0000000000000004 R09: 0000000000000000 [ 322.738743][ C1] R10: 0000200000000540 R11: 0000000000000246 R12: 00002000000002c0 [ 322.746774][ C1] R13: 00007f6b25787330 R14: 00007f6b2578733c R15: 0000200000000004 [ 322.754736][ C1] [ 322.757785][ C1] Sending NMI from CPU 1 to CPUs 0: [ 322.763064][ C0] NMI backtrace for cpu 0 [ 322.763071][ C0] CPU: 0 PID: 1023 Comm: syz-executor260 Not tainted 5.15.189-syzkaller-android13-5.15.189_r00 #0 [ 322.763084][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 322.763090][ C0] RIP: 0010:kvm_wait+0xf2/0x140 [ 322.763106][ C0] Code: 92 d6 03 f4 eb 9a fa 48 89 f8 48 c1 e8 03 42 0f b6 04 30 84 c0 75 3f 0f b6 07 40 38 f0 75 10 66 90 0f 00 2d 00 92 d6 03 fb f4 71 ff ff ff fb e9 6b ff ff ff e8 5e 2b 72 03 89 f9 80 e1 07 38 [ 322.763115][ C0] RSP: 0018:ffffc900015876c0 EFLAGS: 00000246 [ 322.763125][ C0] RAX: 0000000000000003 RBX: ffff888110c9a388 RCX: ffffffff814f3469 [ 322.763133][ C0] RDX: 0000000000000001 RSI: 0000000000000003 RDI: ffff888110c9a388 [ 322.763140][ C0] RBP: ffffc90001587750 R08: dffffc0000000000 R09: ffffed1022193472 [ 322.763148][ C0] R10: ffffed1022193472 R11: 1ffff11022193471 R12: 1ffff1103ee00001 [ 322.763156][ C0] R13: ffff8881f7038ad4 R14: dffffc0000000000 R15: 1ffff920002b0ed8 [ 322.763164][ C0] FS: 00007f6b256be6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 322.763174][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 322.763182][ C0] CR2: 00007f6b2569dd58 CR3: 000000011f916000 CR4: 00000000003506b0 [ 322.763194][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 322.763201][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 322.763208][ C0] Call Trace: [ 322.763212][ C0] [ 322.763216][ C0] ? kvm_arch_para_hints+0x30/0x30 [ 322.763227][ C0] ? __pv_queued_spin_lock_slowpath+0x5b9/0x9c0 [ 322.763240][ C0] __pv_queued_spin_lock_slowpath+0x60f/0x9c0 [ 322.763252][ C0] ? __pv_queued_spin_unlock_slowpath+0x300/0x300 [ 322.763264][ C0] ? avc_has_perm+0x158/0x240 [ 322.763275][ C0] queued_spin_lock_slowpath+0x47/0x50 [ 322.763286][ C0] _raw_spin_lock_bh+0xd8/0xe0 [ 322.763298][ C0] ? _raw_spin_lock_irq+0xe0/0xe0 [ 322.763310][ C0] lock_sock_nested+0x97/0x290 [ 322.763322][ C0] ? sock_init_data+0xc0/0xc0 [ 322.763334][ C0] ? __update_load_avg_cfs_rq+0xaf/0x2f0 [ 322.763346][ C0] tipc_sendstream+0x47/0x70 [ 322.763356][ C0] ? tipc_getsockopt+0x4c0/0x4c0 [ 322.763366][ C0] ____sys_sendmsg+0x5a2/0x8c0 [ 322.763378][ C0] ? __sys_sendmsg_sock+0x40/0x40 [ 322.763390][ C0] ? import_iovec+0x7c/0xb0 [ 322.763402][ C0] ___sys_sendmsg+0x1f0/0x260 [ 322.763413][ C0] ? _raw_spin_unlock+0x4d/0x70 [ 322.763424][ C0] ? __sys_sendmsg+0x250/0x250 [ 322.763434][ C0] ? __schedule+0xb76/0x14c0 [ 322.763448][ C0] ? _raw_spin_lock_irqsave+0x110/0x110 [ 322.763458][ C0] ? cgroup_update_frozen+0x15c/0x970 [ 322.763472][ C0] ? __fdget+0x1a1/0x230 [ 322.763484][ C0] __x64_sys_sendmsg+0x1e2/0x2a0 [ 322.763518][ C0] ? ___sys_sendmsg+0x260/0x260 [ 322.763533][ C0] ? __kasan_check_write+0x14/0x20 [ 322.763548][ C0] ? switch_fpu_return+0x15d/0x2c0 [ 322.763564][ C0] x64_sys_call+0x4b/0x9a0 [ 322.763578][ C0] do_syscall_64+0x4c/0xa0 [ 322.763592][ C0] ? clear_bhb_loop+0x50/0xa0 [ 322.763606][ C0] ? clear_bhb_loop+0x50/0xa0 [ 322.763620][ C0] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 322.763635][ C0] RIP: 0033:0x7f6b256fd3e9 [ 322.763648][ C0] 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 [ 322.763658][ C0] RSP: 002b:00007f6b256be218 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 322.763672][ C0] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f6b256fd3e9 [ 322.763682][ C0] RDX: 0000000000000000 RSI: 00002000000002c0 RDI: 0000000000000004 [ 322.763691][ C0] RBP: 00007f6b25787328 R08: 0000000000000000 R09: 0000000000000000 [ 322.763700][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000002c0 [ 322.763709][ C0] R13: 00007f6b25787320 R14: 00007f6b2578732c R15: 0000200000000004 [ 322.763721][ C0] [ 322.764051][ C1] NMI backtrace for cpu 1 [ 323.145553][ C1] CPU: 1 PID: 1024 Comm: syz-executor260 Not tainted 5.15.189-syzkaller-android13-5.15.189_r00 #0 [ 323.156207][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 323.166234][ C1] Call Trace: [ 323.169487][ C1] [ 323.172306][ C1] __dump_stack+0x21/0x30 [ 323.176728][ C1] dump_stack_lvl+0xee/0x150 [ 323.181294][ C1] ? show_regs_print_info+0x20/0x20 [ 323.186564][ C1] ? vprintk+0x7a/0x80 [ 323.190620][ C1] dump_stack+0x15/0x20 [ 323.194766][ C1] nmi_cpu_backtrace+0x2b4/0x2c0 [ 323.199698][ C1] ? nmi_trigger_cpumask_backtrace+0x240/0x240 [ 323.205828][ C1] ? __kasan_check_write+0x14/0x20 [ 323.210910][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 323.216967][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 323.223007][ C1] nmi_trigger_cpumask_backtrace+0x138/0x240 [ 323.228957][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 323.234833][ C1] rcu_dump_cpu_stacks+0x1c7/0x300 [ 323.239920][ C1] print_cpu_stall+0x320/0x600 [ 323.244654][ C1] rcu_sched_clock_irq+0x74a/0x12b0 [ 323.249836][ C1] ? rcu_boost_kthread_setaffinity+0x310/0x310 [ 323.256046][ C1] ? raise_softirq+0x71/0xe0 [ 323.260613][ C1] ? __raise_softirq_irqoff+0xd0/0xd0 [ 323.265953][ C1] ? hrtimer_run_queues+0x166/0x430 [ 323.271224][ C1] update_process_times+0x198/0x200 [ 323.276541][ C1] tick_sched_timer+0x17c/0x240 [ 323.281385][ C1] ? tick_setup_sched_timer+0x450/0x450 [ 323.286917][ C1] __hrtimer_run_queues+0x3b5/0x9e0 [ 323.292115][ C1] ? __kasan_check_write+0x14/0x20 [ 323.297328][ C1] ? hrtimer_interrupt+0x8c0/0x8c0 [ 323.302437][ C1] ? ktime_get_update_offsets_now+0x2fa/0x310 [ 323.308479][ C1] hrtimer_interrupt+0x3c7/0x8c0 [ 323.313418][ C1] __sysvec_apic_timer_interrupt+0xfa/0x3e0 [ 323.319331][ C1] sysvec_apic_timer_interrupt+0xa4/0xc0 [ 323.325001][ C1] [ 323.327924][ C1] [ 323.330844][ C1] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 323.336824][ C1] RIP: 0010:kasan_check_range+0x85/0x290 [ 323.342526][ C1] Code: 03 4e 8d 14 3b 4d 89 d6 4d 29 ce 49 83 fe 10 7f 26 4d 85 f6 0f 84 39 01 00 00 48 f7 d3 4c 01 db 41 80 39 00 0f 85 c2 01 00 00 <49> ff c1 48 ff c3 75 ee e9 1c 01 00 00 44 89 cb 83 e3 07 0f 84 b5 [ 323.362200][ C1] RSP: 0018:ffffc900015a6928 EFLAGS: 00000246 [ 323.368250][ C1] RAX: 0000000000000001 RBX: ffffffffffffffff RCX: ffffffff848d0bc6 [ 323.376203][ C1] RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888110c9a380 [ 323.384154][ C1] RBP: ffffc900015a6940 R08: dffffc0000000000 R09: ffffed1022193470 [ 323.392113][ C1] R10: ffffed1022193471 R11: 1ffff11022193470 R12: ffffffff87176e80 [ 323.400059][ C1] R13: dffffc0000000000 R14: 0000000000000001 R15: dffffc0000000001 [ 323.408112][ C1] ? tipc_sk_rcv+0x19f6/0x2c60 [ 323.412862][ C1] __kasan_check_write+0x14/0x20 [ 323.417778][ C1] tipc_sk_rcv+0x19f6/0x2c60 [ 323.422365][ C1] ? stack_trace_save+0x98/0xe0 [ 323.427319][ C1] ? __stack_depot_save+0x442/0x480 [ 323.432521][ C1] ? kasan_set_free_info+0x23/0x40 [ 323.437612][ C1] ? __kasan_slab_free+0x11/0x20 [ 323.442549][ C1] ? tipc_node_xmit+0x256/0xce0 [ 323.447383][ C1] ? sock_setsockopt+0x1b65/0x2270 [ 323.452497][ C1] ? __sys_setsockopt+0x268/0x460 [ 323.457649][ C1] ? __x64_sys_setsockopt+0xbf/0xd0 [ 323.462862][ C1] ? __skb_queue_purge+0x170/0x170 [ 323.468054][ C1] tipc_node_xmit+0x256/0xce0 [ 323.472732][ C1] ? kasan_quarantine_put+0x34/0x190 [ 323.478109][ C1] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 323.483662][ C1] ? ____kasan_slab_free+0x130/0x160 [ 323.488934][ C1] ? __kasan_slab_free+0x11/0x20 [ 323.493855][ C1] ? slab_free_freelist_hook+0xc2/0x190 [ 323.499391][ C1] ? kfree_skbmem+0x10c/0x180 [ 323.504335][ C1] tipc_node_distr_xmit+0x292/0x390 [ 323.509597][ C1] ? tipc_node_xmit_skb+0x130/0x130 [ 323.514782][ C1] tipc_sk_rcv+0x19de/0x2c60 [ 323.519453][ C1] ? __x64_sys_setsockopt+0xbf/0xd0 [ 323.524727][ C1] ? __skb_queue_purge+0x170/0x170 [ 323.529813][ C1] tipc_node_xmit+0x256/0xce0 [ 323.534567][ C1] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 323.540149][ C1] ? __kernel_text_address+0xa0/0x100 [ 323.545503][ C1] ? unwind_get_return_address+0x4d/0x90 [ 323.551118][ C1] ? stack_trace_save+0xe0/0xe0 [ 323.555949][ C1] ? arch_stack_walk+0xee/0x140 [ 323.560781][ C1] tipc_sk_filter_rcv+0x151b/0x2c40 [ 323.565952][ C1] ? tipc_sk_publish+0x440/0x440 [ 323.570871][ C1] ? __kasan_check_write+0x14/0x20 [ 323.576039][ C1] ? _raw_spin_lock_bh+0x8e/0xe0 [ 323.580961][ C1] tipc_sk_rcv+0x7b7/0x2c60 [ 323.585437][ C1] ? kfree_skbmem+0x10c/0x180 [ 323.590639][ C1] ? skb_release_data+0x814/0xa10 [ 323.595647][ C1] ? __skb_queue_purge+0x170/0x170 [ 323.600828][ C1] ? tipc_sk_filter_rcv+0x29de/0x2c40 [ 323.606185][ C1] tipc_node_xmit+0x256/0xce0 [ 323.610833][ C1] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 323.616361][ C1] tipc_node_distr_xmit+0x292/0x390 [ 323.621565][ C1] ? tipc_node_xmit_skb+0x130/0x130 [ 323.626750][ C1] ? preempt_schedule_irq+0xbb/0x110 [ 323.632017][ C1] ? selinux_capable+0x29c/0x380 [ 323.636935][ C1] tipc_sk_backlog_rcv+0x16f/0x1f0 [ 323.642229][ C1] ? tipc_sk_timeout+0x970/0x970 [ 323.647141][ C1] __release_sock+0x143/0x350 [ 323.651809][ C1] sock_setsockopt+0x1b65/0x2270 [ 323.656832][ C1] ? __sock_set_mark+0x160/0x160 [ 323.661744][ C1] ? selinux_socket_setsockopt+0x21c/0x300 [ 323.667524][ C1] ? selinux_socket_getsockopt+0x2e0/0x2e0 [ 323.673312][ C1] ? cgroup_update_frozen+0x15c/0x970 [ 323.678657][ C1] ? __fget_files+0x2c4/0x320 [ 323.683385][ C1] ? security_socket_setsockopt+0x82/0xa0 [ 323.689116][ C1] __sys_setsockopt+0x268/0x460 [ 323.693952][ C1] ? _raw_spin_unlock_irq+0x4e/0x70 [ 323.699145][ C1] ? __ia32_sys_recv+0xb0/0xb0 [ 323.703888][ C1] ? __kasan_check_write+0x14/0x20 [ 323.708973][ C1] __x64_sys_setsockopt+0xbf/0xd0 [ 323.713970][ C1] x64_sys_call+0x982/0x9a0 [ 323.718446][ C1] do_syscall_64+0x4c/0xa0 [ 323.722837][ C1] ? clear_bhb_loop+0x50/0xa0 [ 323.727573][ C1] ? clear_bhb_loop+0x50/0xa0 [ 323.732228][ C1] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 323.738089][ C1] RIP: 0033:0x7f6b256fd3e9 [ 323.742475][ 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 [ 323.762068][ C1] RSP: 002b:00007f6b2569d218 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 323.770453][ C1] RAX: ffffffffffffffda RBX: 00007f6b2569d6c0 RCX: 00007f6b256fd3e9 [ 323.778398][ C1] RDX: 0000000000000021 RSI: 0000000000000001 RDI: 0000000000000003 [ 323.786441][ C1] RBP: 00007f6b25787338 R08: 0000000000000004 R09: 0000000000000000 [ 323.794397][ C1] R10: 0000200000000540 R11: 0000000000000246 R12: 00002000000002c0 [ 323.802777][ C1] R13: 00007f6b25787330 R14: 00007f6b2578733c R15: 0000200000000004 [ 323.810721][ C1] [ 462.976440][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 226s! [syz-executor260:1023] [ 462.985149][ C0] Modules linked in: [ 462.986427][ C1] watchdog: BUG: soft lockup - CPU#1 stuck for 226s! [syz-executor260:1024] [ 462.989052][ C0] CPU: 0 PID: 1023 Comm: syz-executor260 Not tainted 5.15.189-syzkaller-android13-5.15.189_r00 #0 [ 462.997719][ C1] Modules linked in: [ 463.008277][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 463.012156][ C1] CPU: 1 PID: 1024 Comm: syz-executor260 Not tainted 5.15.189-syzkaller-android13-5.15.189_r00 #0 [ 463.022295][ C0] RIP: 0010:kvm_wait+0xf2/0x140 [ 463.032853][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 463.037692][ C0] Code: 92 d6 03 f4 eb 9a fa 48 89 f8 48 c1 e8 03 42 0f b6 04 30 84 c0 75 3f 0f b6 07 40 38 f0 75 10 66 90 0f 00 2d 00 92 d6 03 fb f4 71 ff ff ff fb e9 6b ff ff ff e8 5e 2b 72 03 89 f9 80 e1 07 38 [ 463.047728][ C1] RIP: 0010:kasan_check_range+0xc/0x290 [ 463.067665][ C0] RSP: 0018:ffffc900015876c0 EFLAGS: 00000246 [ 463.073197][ C1] Code: 48 fc 02 31 c0 5d c3 0f 0b b8 ea ff ff ff c3 0f 0b b8 ea ff ff ff c3 00 00 cc cc 00 00 cc b0 01 48 85 f6 0f 84 a9 01 00 00 55 <48> 89 e5 41 57 41 56 53 49 89 f8 49 01 f0 0f 82 58 02 00 00 49 89 [ 463.079250][ C0] RAX: 0000000000000003 RBX: ffff888110c9a388 RCX: ffffffff814f3469 [ 463.098839][ C1] RSP: 0018:ffffc900015a6940 EFLAGS: 00000202 [ 463.106812][ C0] RDX: 0000000000000001 RSI: 0000000000000003 RDI: ffff888110c9a388 [ 463.106824][ C0] RBP: ffffc90001587750 R08: dffffc0000000000 R09: ffffed1022193472 [ 463.112871][ C1] RAX: 0000000000000001 RBX: 0000000000000000 RCX: ffffffff848d0bc6 [ 463.120826][ C0] R10: ffffed1022193472 R11: 1ffff11022193471 R12: 1ffff1103ee00001 [ 463.128784][ C1] RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888110c9a380 [ 463.136741][ C0] R13: ffff8881f7038ad4 R14: dffffc0000000000 R15: 1ffff920002b0ed8 [ 463.144700][ C1] RBP: ffffc900015a6950 R08: dffffc0000000000 R09: ffffed1022193472 [ 463.152655][ C0] FS: 00007f6b256be6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 463.160615][ C1] R10: ffffed1022193472 R11: 1ffff11022193471 R12: ffffffff87176e80 [ 463.168569][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 463.177483][ C1] R13: dffffc0000000000 R14: ffffc900015a6de0 R15: ffff888110c9a300 [ 463.185447][ C0] CR2: 00007f6b2569dd58 CR3: 000000011f916000 CR4: 00000000003506b0 [ 463.192013][ C1] FS: 00007f6b2569d6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 463.200070][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 463.208020][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 463.216933][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 463.224887][ C1] CR2: 00007ffc7f7e5750 CR3: 000000011f916000 CR4: 00000000003506a0 [ 463.231454][ C0] Call Trace: [ 463.231462][ C0] [ 463.239410][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 463.247360][ C0] ? kvm_arch_para_hints+0x30/0x30 [ 463.250628][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 463.253549][ C0] ? __pv_queued_spin_lock_slowpath+0x5b9/0x9c0 [ 463.261506][ C1] Call Trace: [ 463.261513][ C1] [ 463.266598][ C0] __pv_queued_spin_lock_slowpath+0x60f/0x9c0 [ 463.274554][ C1] ? __kasan_check_write+0x14/0x20 [ 463.280772][ C0] ? __pv_queued_spin_unlock_slowpath+0x300/0x300 [ 463.284040][ C1] tipc_sk_rcv+0x19f6/0x2c60 [ 463.286961][ C0] ? avc_has_perm+0x158/0x240 [ 463.293006][ C1] ? stack_trace_save+0x98/0xe0 [ 463.298099][ C0] queued_spin_lock_slowpath+0x47/0x50 [ 463.304490][ C1] ? __stack_depot_save+0x442/0x480 [ 463.309147][ C0] _raw_spin_lock_bh+0xd8/0xe0 [ 463.313804][ C1] ? kasan_set_free_info+0x23/0x40 [ 463.318629][ C0] ? _raw_spin_lock_irq+0xe0/0xe0 [ 463.324064][ C1] ? __kasan_slab_free+0x11/0x20 [ 463.329242][ C0] lock_sock_nested+0x97/0x290 [ 463.333990][ C1] ? tipc_node_xmit+0x256/0xce0 [ 463.339102][ C0] ? sock_init_data+0xc0/0xc0 [ 463.344114][ C1] ? sock_setsockopt+0x1b65/0x2270 [ 463.349031][ C0] ? __update_load_avg_cfs_rq+0xaf/0x2f0 [ 463.353775][ C1] ? __sys_setsockopt+0x268/0x460 [ 463.358607][ C0] tipc_sendstream+0x47/0x70 [ 463.363260][ C1] ? __x64_sys_setsockopt+0xbf/0xd0 [ 463.368358][ C0] ? tipc_getsockopt+0x4c0/0x4c0 [ 463.373971][ C1] ? __skb_queue_purge+0x170/0x170 [ 463.378981][ C0] ____sys_sendmsg+0x5a2/0x8c0 [ 463.383562][ C1] tipc_node_xmit+0x256/0xce0 [ 463.388742][ C0] ? __sys_sendmsg_sock+0x40/0x40 [ 463.393663][ C1] ? kasan_quarantine_put+0x34/0x190 [ 463.398764][ C0] ? import_iovec+0x7c/0xb0 [ 463.403505][ C1] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 463.408168][ C0] ___sys_sendmsg+0x1f0/0x260 [ 463.413169][ C1] ? ____kasan_slab_free+0x130/0x160 [ 463.418437][ C0] ? _raw_spin_unlock+0x4d/0x70 [ 463.422923][ C1] ? __kasan_slab_free+0x11/0x20 [ 463.428477][ C0] ? __sys_sendmsg+0x250/0x250 [ 463.433136][ C1] ? slab_free_freelist_hook+0xc2/0x190 [ 463.438410][ C0] ? __schedule+0xb76/0x14c0 [ 463.443239][ C1] ? kfree_skbmem+0x10c/0x180 [ 463.448156][ C0] ? _raw_spin_lock_irqsave+0x110/0x110 [ 463.452930][ C1] tipc_node_distr_xmit+0x292/0x390 [ 463.458572][ C0] ? cgroup_update_frozen+0x15c/0x970 [ 463.463233][ C1] ? tipc_node_xmit_skb+0x130/0x130 [ 463.467892][ C0] ? __fdget+0x1a1/0x230 [ 463.473420][ C1] tipc_sk_rcv+0x19de/0x2c60 [ 463.478598][ C0] __x64_sys_sendmsg+0x1e2/0x2a0 [ 463.484040][ C1] ? __x64_sys_setsockopt+0xbf/0xd0 [ 463.489218][ C0] ? ___sys_sendmsg+0x260/0x260 [ 463.493448][ C1] ? __skb_queue_purge+0x170/0x170 [ 463.498039][ C0] ? __kasan_check_write+0x14/0x20 [ 463.502959][ C1] tipc_node_xmit+0x256/0xce0 [ 463.508138][ C0] ? switch_fpu_return+0x15d/0x2c0 [ 463.512990][ C1] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 463.518089][ C0] x64_sys_call+0x4b/0x9a0 [ 463.523186][ C1] ? __kernel_text_address+0xa0/0x100 [ 463.527841][ C0] do_syscall_64+0x4c/0xa0 [ 463.532933][ C1] ? unwind_get_return_address+0x4d/0x90 [ 463.538628][ C0] ? clear_bhb_loop+0x50/0xa0 [ 463.543042][ C1] ? stack_trace_save+0xe0/0xe0 [ 463.548853][ C0] ? clear_bhb_loop+0x50/0xa0 [ 463.553251][ C1] ? arch_stack_walk+0xee/0x140 [ 463.558864][ C0] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 463.563525][ C1] tipc_sk_filter_rcv+0x151b/0x2c40 [ 463.568357][ C0] RIP: 0033:0x7f6b256fd3e9 [ 463.573028][ C1] ? tipc_sk_publish+0x440/0x440 [ 463.577956][ C0] 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 [ 463.583830][ C1] ? __kasan_check_write+0x14/0x20 [ 463.589131][ C0] RSP: 002b:00007f6b256be218 EFLAGS: 00000246 [ 463.593542][ C1] ? _raw_spin_lock_bh+0x8e/0xe0 [ 463.598474][ C0] ORIG_RAX: 000000000000002e [ 463.618067][ C1] tipc_sk_rcv+0x7b7/0x2c60 [ 463.623164][ C0] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f6b256fd3e9 [ 463.629214][ C1] ? kfree_skbmem+0x10c/0x180 [ 463.634129][ C0] RDX: 0000000000000000 RSI: 00002000000002c0 RDI: 0000000000000004 [ 463.639396][ C1] ? skb_release_data+0x814/0xa10 [ 463.643880][ C0] RBP: 00007f6b25787328 R08: 0000000000000000 R09: 0000000000000000 [ 463.651836][ C1] ? __skb_queue_purge+0x170/0x170 [ 463.656501][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000002c0 [ 463.664457][ C1] ? tipc_sk_filter_rcv+0x29de/0x2c40 [ 463.669496][ C0] R13: 00007f6b25787320 R14: 00007f6b2578732c R15: 0000200000000004 [ 463.677454][ C1] tipc_node_xmit+0x256/0xce0 [ 463.677472][ C1] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 463.682572][ C0] [ 463.690523][ C1] tipc_node_distr_xmit+0x292/0x390 [ 463.722319][ C1] ? tipc_node_xmit_skb+0x130/0x130 [ 463.727509][ C1] ? preempt_schedule_irq+0xbb/0x110 [ 463.732790][ C1] ? selinux_capable+0x29c/0x380 [ 463.737714][ C1] tipc_sk_backlog_rcv+0x16f/0x1f0 [ 463.742807][ C1] ? tipc_sk_timeout+0x970/0x970 [ 463.747723][ C1] __release_sock+0x143/0x350 [ 463.752381][ C1] sock_setsockopt+0x1b65/0x2270 [ 463.757307][ C1] ? __sock_set_mark+0x160/0x160 [ 463.762241][ C1] ? selinux_socket_setsockopt+0x21c/0x300 [ 463.768033][ C1] ? selinux_socket_getsockopt+0x2e0/0x2e0 [ 463.773815][ C1] ? cgroup_update_frozen+0x15c/0x970 [ 463.779159][ C1] ? __fget_files+0x2c4/0x320 [ 463.783834][ C1] ? security_socket_setsockopt+0x82/0xa0 [ 463.789530][ C1] __sys_setsockopt+0x268/0x460 [ 463.794356][ C1] ? _raw_spin_unlock_irq+0x4e/0x70 [ 463.799611][ C1] ? __ia32_sys_recv+0xb0/0xb0 [ 463.804343][ C1] ? __kasan_check_write+0x14/0x20 [ 463.809421][ C1] __x64_sys_setsockopt+0xbf/0xd0 [ 463.814447][ C1] x64_sys_call+0x982/0x9a0 [ 463.818921][ C1] do_syscall_64+0x4c/0xa0 [ 463.823368][ C1] ? clear_bhb_loop+0x50/0xa0 [ 463.828030][ C1] ? clear_bhb_loop+0x50/0xa0 [ 463.832690][ C1] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 463.838565][ C1] RIP: 0033:0x7f6b256fd3e9 [ 463.842973][ 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 [ 463.862549][ C1] RSP: 002b:00007f6b2569d218 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 463.870931][ C1] RAX: ffffffffffffffda RBX: 00007f6b2569d6c0 RCX: 00007f6b256fd3e9 [ 463.878887][ C1] RDX: 0000000000000021 RSI: 0000000000000001 RDI: 0000000000000003 [ 463.886830][ C1] RBP: 00007f6b25787338 R08: 0000000000000004 R09: 0000000000000000 [ 463.894874][ C1] R10: 0000200000000540 R11: 0000000000000246 R12: 00002000000002c0 [ 463.902830][ C1] R13: 00007f6b25787330 R14: 00007f6b2578733c R15: 0000200000000004 [ 463.910774][ C1]